/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-BasicCegarLoop.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/02-base_26-malloc_struct.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 13:19:48,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 13:19:48,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 13:19:48,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 13:19:48,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 13:19:48,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 13:19:48,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 13:19:48,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 13:19:48,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 13:19:48,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 13:19:48,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 13:19:48,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 13:19:48,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 13:19:48,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 13:19:48,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 13:19:48,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 13:19:48,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 13:19:48,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 13:19:48,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 13:19:48,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 13:19:48,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 13:19:48,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 13:19:48,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 13:19:48,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 13:19:48,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-16 13:19:48,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-16 13:19:48,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-16 13:19:48,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-16 13:19:48,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-16 13:19:48,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-16 13:19:48,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-16 13:19:48,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-16 13:19:48,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-16 13:19:48,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-16 13:19:48,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-16 13:19:48,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-16 13:19:48,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-16 13:19:48,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-16 13:19:48,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 13:19:48,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 13:19:48,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 13:19:48,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-BasicCegarLoop.epf [2022-02-16 13:19:48,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 13:19:48,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 13:19:48,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 13:19:48,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 13:19:48,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 13:19:48,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 13:19:48,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 13:19:48,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 13:19:48,976 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 13:19:48,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 13:19:48,976 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 13:19:48,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 13:19:48,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 13:19:48,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 13:19:48,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 13:19:48,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 13:19:48,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 13:19:48,976 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 13:19:48,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 13:19:48,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 13:19:48,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 13:19:48,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 13:19:48,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 13:19:48,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 13:19:48,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 13:19:48,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 13:19:48,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 13:19:48,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 13:19:48,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 13:19:48,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 13:19:48,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 13:19:48,978 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 13:19:48,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 13:19:48,978 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 13:19:48,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-16 13:19:49,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 13:19:49,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 13:19:49,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 13:19:49,175 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 13:19:49,175 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 13:19:49,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/02-base_26-malloc_struct.i [2022-02-16 13:19:49,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618c77aab/4d360eb8c4c4427c8a9ee1250bbb7040/FLAG9fcb1db84 [2022-02-16 13:19:49,632 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 13:19:49,632 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/02-base_26-malloc_struct.i [2022-02-16 13:19:49,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618c77aab/4d360eb8c4c4427c8a9ee1250bbb7040/FLAG9fcb1db84 [2022-02-16 13:19:49,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618c77aab/4d360eb8c4c4427c8a9ee1250bbb7040 [2022-02-16 13:19:49,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 13:19:49,972 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 13:19:49,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 13:19:49,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 13:19:49,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 13:19:49,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 01:19:49" (1/1) ... [2022-02-16 13:19:49,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e23eebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:19:49, skipping insertion in model container [2022-02-16 13:19:49,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 01:19:49" (1/1) ... [2022-02-16 13:19:49,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 13:19:50,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 13:19:50,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 13:19:50,427 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 13:19:50,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 13:19:50,511 INFO L208 MainTranslator]: Completed translation [2022-02-16 13:19:50,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:19:50 WrapperNode [2022-02-16 13:19:50,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 13:19:50,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 13:19:50,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 13:19:50,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 13:19:50,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:19:50" (1/1) ... [2022-02-16 13:19:50,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:19:50" (1/1) ... [2022-02-16 13:19:50,551 INFO L137 Inliner]: procedures = 365, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2022-02-16 13:19:50,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 13:19:50,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 13:19:50,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 13:19:50,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 13:19:50,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:19:50" (1/1) ... [2022-02-16 13:19:50,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:19:50" (1/1) ... [2022-02-16 13:19:50,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:19:50" (1/1) ... [2022-02-16 13:19:50,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:19:50" (1/1) ... [2022-02-16 13:19:50,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:19:50" (1/1) ... [2022-02-16 13:19:50,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:19:50" (1/1) ... [2022-02-16 13:19:50,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:19:50" (1/1) ... [2022-02-16 13:19:50,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 13:19:50,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 13:19:50,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 13:19:50,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 13:19:50,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:19:50" (1/1) ... [2022-02-16 13:19:50,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 13:19:50,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 13:19:50,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 13:19:50,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 13:19:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 13:19:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 13:19:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-16 13:19:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 13:19:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-16 13:19:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-16 13:19:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 13:19:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-16 13:19:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-16 13:19:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-16 13:19:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 13:19:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 13:19:50,730 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 13:19:50,826 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 13:19:50,827 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 13:19:50,995 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 13:19:51,000 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 13:19:51,009 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 13:19:51,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 01:19:51 BoogieIcfgContainer [2022-02-16 13:19:51,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 13:19:51,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 13:19:51,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 13:19:51,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 13:19:51,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 01:19:49" (1/3) ... [2022-02-16 13:19:51,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25335571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 01:19:51, skipping insertion in model container [2022-02-16 13:19:51,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:19:50" (2/3) ... [2022-02-16 13:19:51,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25335571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 01:19:51, skipping insertion in model container [2022-02-16 13:19:51,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 01:19:51" (3/3) ... [2022-02-16 13:19:51,016 INFO L111 eAbstractionObserver]: Analyzing ICFG 02-base_26-malloc_struct.i [2022-02-16 13:19:51,020 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 13:19:51,020 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 13:19:51,020 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2022-02-16 13:19:51,020 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 13:19:51,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,053 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,053 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,054 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,054 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,065 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,065 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:19:51,067 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-16 13:19:51,108 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 13:19:51,112 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 13:19:51,112 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-02-16 13:19:51,128 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 111 places, 107 transitions, 219 flow [2022-02-16 13:19:51,195 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1027 states, 1006 states have (on average 1.934393638170974) internal successors, (1946), 1026 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:01,203 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 343796 transitions and produced 187029 states. [2022-02-16 13:20:02,654 INFO L276 IsEmpty]: Start isEmpty. Operand has 187029 states, 157263 states have (on average 1.524567126406084) internal successors, (239758), 187028 states have internal predecessors, (239758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:02,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-16 13:20:02,673 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:20:02,673 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:20:02,674 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-02-16 13:20:02,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:20:02,678 INFO L85 PathProgramCache]: Analyzing trace with hash 670265562, now seen corresponding path program 1 times [2022-02-16 13:20:02,691 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:20:02,691 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577201281] [2022-02-16 13:20:02,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:20:02,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:20:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:20:02,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:20:02,902 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:20:02,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577201281] [2022-02-16 13:20:02,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577201281] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:20:02,906 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:20:02,906 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 13:20:02,907 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095680868] [2022-02-16 13:20:02,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:20:02,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 13:20:02,910 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:20:02,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 13:20:02,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:20:05,041 INFO L87 Difference]: Start difference. First operand has 187029 states, 157263 states have (on average 1.524567126406084) internal successors, (239758), 187028 states have internal predecessors, (239758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:09,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:20:09,795 INFO L93 Difference]: Finished difference Result 187028 states and 239757 transitions. [2022-02-16 13:20:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 13:20:09,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-02-16 13:20:09,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:20:10,463 INFO L225 Difference]: With dead ends: 187028 [2022-02-16 13:20:10,464 INFO L226 Difference]: Without dead ends: 147968 [2022-02-16 13:20:10,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:20:10,468 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 2 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-16 13:20:10,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 189 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-16 13:20:10,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147968 states. [2022-02-16 13:20:11,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147968 to 1263. [2022-02-16 13:20:11,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 1153 states have (on average 1.5377276669557676) internal successors, (1773), 1262 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:11,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1773 transitions. [2022-02-16 13:20:11,966 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1773 transitions. Word has length 33 [2022-02-16 13:20:11,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:20:11,966 INFO L470 AbstractCegarLoop]: Abstraction has 1263 states and 1773 transitions. [2022-02-16 13:20:11,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:11,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1773 transitions. [2022-02-16 13:20:11,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-16 13:20:11,967 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:20:11,967 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:20:11,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 13:20:11,968 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-02-16 13:20:11,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:20:11,969 INFO L85 PathProgramCache]: Analyzing trace with hash 756627061, now seen corresponding path program 1 times [2022-02-16 13:20:11,969 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:20:11,969 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297041891] [2022-02-16 13:20:11,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:20:11,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:20:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:20:12,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:20:12,008 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:20:12,008 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297041891] [2022-02-16 13:20:12,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297041891] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:20:12,009 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:20:12,009 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 13:20:12,009 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759216053] [2022-02-16 13:20:12,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:20:12,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 13:20:12,010 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:20:12,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 13:20:12,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:20:12,011 INFO L87 Difference]: Start difference. First operand 1263 states and 1773 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:12,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:20:12,031 INFO L93 Difference]: Finished difference Result 1123 states and 1573 transitions. [2022-02-16 13:20:12,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 13:20:12,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-16 13:20:12,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:20:12,034 INFO L225 Difference]: With dead ends: 1123 [2022-02-16 13:20:12,034 INFO L226 Difference]: Without dead ends: 1123 [2022-02-16 13:20:12,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:20:12,035 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 62 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-16 13:20:12,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 129 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-16 13:20:12,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2022-02-16 13:20:12,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1123. [2022-02-16 13:20:12,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1079 states have (on average 1.4578313253012047) internal successors, (1573), 1122 states have internal predecessors, (1573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:12,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1573 transitions. [2022-02-16 13:20:12,051 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1573 transitions. Word has length 37 [2022-02-16 13:20:12,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:20:12,051 INFO L470 AbstractCegarLoop]: Abstraction has 1123 states and 1573 transitions. [2022-02-16 13:20:12,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:12,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1573 transitions. [2022-02-16 13:20:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-02-16 13:20:12,053 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:20:12,053 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:20:12,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 13:20:12,053 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-02-16 13:20:12,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:20:12,054 INFO L85 PathProgramCache]: Analyzing trace with hash 829589289, now seen corresponding path program 1 times [2022-02-16 13:20:12,054 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:20:12,054 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118030378] [2022-02-16 13:20:12,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:20:12,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:20:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:20:12,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:20:12,167 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:20:12,167 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118030378] [2022-02-16 13:20:12,167 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118030378] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:20:12,167 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:20:12,167 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-16 13:20:12,167 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849602826] [2022-02-16 13:20:12,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:20:12,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 13:20:12,168 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:20:12,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 13:20:12,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-16 13:20:12,169 INFO L87 Difference]: Start difference. First operand 1123 states and 1573 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 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) [2022-02-16 13:20:12,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:20:12,366 INFO L93 Difference]: Finished difference Result 1316 states and 1915 transitions. [2022-02-16 13:20:12,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 13:20:12,367 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 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) Word has length 54 [2022-02-16 13:20:12,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:20:12,373 INFO L225 Difference]: With dead ends: 1316 [2022-02-16 13:20:12,373 INFO L226 Difference]: Without dead ends: 1316 [2022-02-16 13:20:12,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-16 13:20:12,376 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 62 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-16 13:20:12,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 285 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-16 13:20:12,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1316 states. [2022-02-16 13:20:12,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1316 to 1248. [2022-02-16 13:20:12,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 1211 states have (on average 1.4855491329479769) internal successors, (1799), 1247 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:12,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1799 transitions. [2022-02-16 13:20:12,398 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1799 transitions. Word has length 54 [2022-02-16 13:20:12,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:20:12,399 INFO L470 AbstractCegarLoop]: Abstraction has 1248 states and 1799 transitions. [2022-02-16 13:20:12,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 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) [2022-02-16 13:20:12,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1799 transitions. [2022-02-16 13:20:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-02-16 13:20:12,404 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:20:12,404 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:20:12,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-16 13:20:12,405 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-02-16 13:20:12,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:20:12,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1778397319, now seen corresponding path program 1 times [2022-02-16 13:20:12,407 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:20:12,407 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218657628] [2022-02-16 13:20:12,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:20:12,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:20:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:20:12,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:20:12,553 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:20:12,555 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218657628] [2022-02-16 13:20:12,555 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218657628] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:20:12,555 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:20:12,555 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-16 13:20:12,555 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393925166] [2022-02-16 13:20:12,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:20:12,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 13:20:12,558 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:20:12,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 13:20:12,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-16 13:20:12,559 INFO L87 Difference]: Start difference. First operand 1248 states and 1799 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:12,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:20:12,784 INFO L93 Difference]: Finished difference Result 1962 states and 2827 transitions. [2022-02-16 13:20:12,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 13:20:12,788 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-02-16 13:20:12,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:20:12,792 INFO L225 Difference]: With dead ends: 1962 [2022-02-16 13:20:12,792 INFO L226 Difference]: Without dead ends: 1962 [2022-02-16 13:20:12,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-16 13:20:12,794 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 133 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-16 13:20:12,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 394 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-16 13:20:12,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2022-02-16 13:20:12,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1299. [2022-02-16 13:20:12,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1299 states, 1262 states have (on average 1.4904912836767037) internal successors, (1881), 1298 states have internal predecessors, (1881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:12,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1881 transitions. [2022-02-16 13:20:12,818 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1881 transitions. Word has length 55 [2022-02-16 13:20:12,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:20:12,819 INFO L470 AbstractCegarLoop]: Abstraction has 1299 states and 1881 transitions. [2022-02-16 13:20:12,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:12,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1881 transitions. [2022-02-16 13:20:12,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-16 13:20:12,821 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:20:12,821 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:20:12,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-16 13:20:12,822 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-02-16 13:20:12,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:20:12,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1944065068, now seen corresponding path program 1 times [2022-02-16 13:20:12,824 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:20:12,824 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656972133] [2022-02-16 13:20:12,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:20:12,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:20:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:20:12,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:20:12,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:20:12,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656972133] [2022-02-16 13:20:12,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656972133] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:20:12,901 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:20:12,901 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 13:20:12,901 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330205360] [2022-02-16 13:20:12,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:20:12,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 13:20:12,902 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:20:12,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 13:20:12,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:20:12,902 INFO L87 Difference]: Start difference. First operand 1299 states and 1881 transitions. Second operand 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) [2022-02-16 13:20:12,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:20:12,915 INFO L93 Difference]: Finished difference Result 722 states and 938 transitions. [2022-02-16 13:20:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 13:20:12,916 INFO L78 Accepts]: Start accepts. 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) Word has length 63 [2022-02-16 13:20:12,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:20:12,917 INFO L225 Difference]: With dead ends: 722 [2022-02-16 13:20:12,917 INFO L226 Difference]: Without dead ends: 710 [2022-02-16 13:20:12,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:20:12,918 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 49 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-16 13:20:12,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 167 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-16 13:20:12,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2022-02-16 13:20:12,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 710. [2022-02-16 13:20:12,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 686 states have (on average 1.3498542274052479) internal successors, (926), 709 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:12,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 926 transitions. [2022-02-16 13:20:12,927 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 926 transitions. Word has length 63 [2022-02-16 13:20:12,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:20:12,927 INFO L470 AbstractCegarLoop]: Abstraction has 710 states and 926 transitions. [2022-02-16 13:20:12,927 INFO L471 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) [2022-02-16 13:20:12,927 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 926 transitions. [2022-02-16 13:20:12,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-16 13:20:12,928 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:20:12,928 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:20:12,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-16 13:20:12,928 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-02-16 13:20:12,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:20:12,929 INFO L85 PathProgramCache]: Analyzing trace with hash -504654480, now seen corresponding path program 1 times [2022-02-16 13:20:12,929 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:20:12,929 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359316228] [2022-02-16 13:20:12,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:20:12,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:20:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:20:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:20:13,019 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:20:13,019 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359316228] [2022-02-16 13:20:13,019 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359316228] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:20:13,020 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:20:13,020 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-16 13:20:13,020 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73040148] [2022-02-16 13:20:13,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:20:13,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 13:20:13,020 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:20:13,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 13:20:13,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-16 13:20:13,021 INFO L87 Difference]: Start difference. First operand 710 states and 926 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:13,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:20:13,146 INFO L93 Difference]: Finished difference Result 844 states and 1083 transitions. [2022-02-16 13:20:13,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 13:20:13,147 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-16 13:20:13,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:20:13,148 INFO L225 Difference]: With dead ends: 844 [2022-02-16 13:20:13,148 INFO L226 Difference]: Without dead ends: 817 [2022-02-16 13:20:13,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-16 13:20:13,149 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 88 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-16 13:20:13,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 309 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-16 13:20:13,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2022-02-16 13:20:13,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 722. [2022-02-16 13:20:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 698 states have (on average 1.3925501432664757) internal successors, (972), 721 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 972 transitions. [2022-02-16 13:20:13,158 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 972 transitions. Word has length 64 [2022-02-16 13:20:13,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:20:13,159 INFO L470 AbstractCegarLoop]: Abstraction has 722 states and 972 transitions. [2022-02-16 13:20:13,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:13,159 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 972 transitions. [2022-02-16 13:20:13,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-16 13:20:13,159 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:20:13,160 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:20:13,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-16 13:20:13,160 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-02-16 13:20:13,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:20:13,160 INFO L85 PathProgramCache]: Analyzing trace with hash 219767215, now seen corresponding path program 1 times [2022-02-16 13:20:13,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:20:13,160 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107806095] [2022-02-16 13:20:13,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:20:13,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:20:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:20:13,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:20:13,244 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:20:13,244 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107806095] [2022-02-16 13:20:13,245 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107806095] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:20:13,245 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:20:13,245 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-16 13:20:13,245 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892541378] [2022-02-16 13:20:13,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:20:13,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 13:20:13,245 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:20:13,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 13:20:13,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-16 13:20:13,246 INFO L87 Difference]: Start difference. First operand 722 states and 972 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:13,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:20:13,353 INFO L93 Difference]: Finished difference Result 792 states and 1073 transitions. [2022-02-16 13:20:13,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 13:20:13,354 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-16 13:20:13,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:20:13,354 INFO L225 Difference]: With dead ends: 792 [2022-02-16 13:20:13,355 INFO L226 Difference]: Without dead ends: 450 [2022-02-16 13:20:13,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-16 13:20:13,355 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 37 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-16 13:20:13,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 301 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-16 13:20:13,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-02-16 13:20:13,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 444. [2022-02-16 13:20:13,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 425 states have (on average 1.4776470588235293) internal successors, (628), 443 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:13,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 628 transitions. [2022-02-16 13:20:13,361 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 628 transitions. Word has length 64 [2022-02-16 13:20:13,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:20:13,361 INFO L470 AbstractCegarLoop]: Abstraction has 444 states and 628 transitions. [2022-02-16 13:20:13,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:13,361 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 628 transitions. [2022-02-16 13:20:13,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-02-16 13:20:13,362 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:20:13,362 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:20:13,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-16 13:20:13,362 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-02-16 13:20:13,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:20:13,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1581990354, now seen corresponding path program 1 times [2022-02-16 13:20:13,363 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:20:13,363 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298428995] [2022-02-16 13:20:13,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:20:13,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:20:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:20:13,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:20:13,711 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:20:13,711 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298428995] [2022-02-16 13:20:13,711 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298428995] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:20:13,711 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:20:13,711 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-16 13:20:13,711 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949226564] [2022-02-16 13:20:13,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:20:13,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-16 13:20:13,712 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:20:13,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-16 13:20:13,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-16 13:20:13,712 INFO L87 Difference]: Start difference. First operand 444 states and 628 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:13,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:20:13,962 INFO L93 Difference]: Finished difference Result 530 states and 719 transitions. [2022-02-16 13:20:13,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 13:20:13,962 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-02-16 13:20:13,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:20:13,963 INFO L225 Difference]: With dead ends: 530 [2022-02-16 13:20:13,963 INFO L226 Difference]: Without dead ends: 526 [2022-02-16 13:20:13,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-02-16 13:20:13,964 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 223 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-16 13:20:13,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 436 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-16 13:20:13,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2022-02-16 13:20:13,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 411. [2022-02-16 13:20:13,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 393 states have (on average 1.4529262086513994) internal successors, (571), 410 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:13,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 571 transitions. [2022-02-16 13:20:13,970 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 571 transitions. Word has length 72 [2022-02-16 13:20:13,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:20:13,970 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 571 transitions. [2022-02-16 13:20:13,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:13,970 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 571 transitions. [2022-02-16 13:20:13,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-02-16 13:20:13,970 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:20:13,971 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:20:13,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-16 13:20:13,971 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-02-16 13:20:13,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:20:13,971 INFO L85 PathProgramCache]: Analyzing trace with hash -837367480, now seen corresponding path program 1 times [2022-02-16 13:20:13,971 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:20:13,971 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795907700] [2022-02-16 13:20:13,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:20:13,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:20:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:20:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:20:14,114 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:20:14,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795907700] [2022-02-16 13:20:14,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795907700] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:20:14,115 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:20:14,115 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-16 13:20:14,115 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314917039] [2022-02-16 13:20:14,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:20:14,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-16 13:20:14,115 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:20:14,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-16 13:20:14,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-02-16 13:20:14,116 INFO L87 Difference]: Start difference. First operand 411 states and 571 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:14,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:20:14,494 INFO L93 Difference]: Finished difference Result 418 states and 584 transitions. [2022-02-16 13:20:14,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 13:20:14,495 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-02-16 13:20:14,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:20:14,495 INFO L225 Difference]: With dead ends: 418 [2022-02-16 13:20:14,496 INFO L226 Difference]: Without dead ends: 418 [2022-02-16 13:20:14,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2022-02-16 13:20:14,496 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 125 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-16 13:20:14,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 447 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-16 13:20:14,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2022-02-16 13:20:14,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 410. [2022-02-16 13:20:14,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 392 states have (on average 1.4515306122448979) internal successors, (569), 409 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:14,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 569 transitions. [2022-02-16 13:20:14,513 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 569 transitions. Word has length 72 [2022-02-16 13:20:14,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:20:14,513 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 569 transitions. [2022-02-16 13:20:14,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:14,513 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 569 transitions. [2022-02-16 13:20:14,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-02-16 13:20:14,514 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:20:14,514 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:20:14,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-16 13:20:14,514 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-02-16 13:20:14,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:20:14,514 INFO L85 PathProgramCache]: Analyzing trace with hash -742217320, now seen corresponding path program 2 times [2022-02-16 13:20:14,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:20:14,515 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630788457] [2022-02-16 13:20:14,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:20:14,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:20:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:20:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:20:14,813 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:20:14,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630788457] [2022-02-16 13:20:14,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630788457] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:20:14,814 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:20:14,814 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-16 13:20:14,814 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411962733] [2022-02-16 13:20:14,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:20:14,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-16 13:20:14,814 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:20:14,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-16 13:20:14,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-16 13:20:14,815 INFO L87 Difference]: Start difference. First operand 410 states and 569 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:14,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:20:14,941 INFO L93 Difference]: Finished difference Result 391 states and 539 transitions. [2022-02-16 13:20:14,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 13:20:14,941 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-02-16 13:20:14,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:20:14,942 INFO L225 Difference]: With dead ends: 391 [2022-02-16 13:20:14,942 INFO L226 Difference]: Without dead ends: 338 [2022-02-16 13:20:14,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-02-16 13:20:14,942 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 118 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-16 13:20:14,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 375 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-16 13:20:14,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2022-02-16 13:20:14,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 323. [2022-02-16 13:20:14,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 313 states have (on average 1.415335463258786) internal successors, (443), 322 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 443 transitions. [2022-02-16 13:20:14,946 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 443 transitions. Word has length 72 [2022-02-16 13:20:14,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:20:14,946 INFO L470 AbstractCegarLoop]: Abstraction has 323 states and 443 transitions. [2022-02-16 13:20:14,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:20:14,947 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 443 transitions. [2022-02-16 13:20:14,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-02-16 13:20:14,947 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:20:14,947 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:20:14,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-16 13:20:14,948 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-02-16 13:20:14,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:20:14,948 INFO L85 PathProgramCache]: Analyzing trace with hash -115190836, now seen corresponding path program 1 times [2022-02-16 13:20:14,948 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:20:14,948 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322806639] [2022-02-16 13:20:14,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:20:14,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:20:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 13:20:14,969 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-16 13:20:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 13:20:14,998 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-16 13:20:14,998 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-16 13:20:14,999 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2022-02-16 13:20:15,000 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2022-02-16 13:20:15,000 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2022-02-16 13:20:15,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2022-02-16 13:20:15,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2022-02-16 13:20:15,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (8 of 14 remaining) [2022-02-16 13:20:15,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2022-02-16 13:20:15,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2022-02-16 13:20:15,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2022-02-16 13:20:15,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2022-02-16 13:20:15,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2022-02-16 13:20:15,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2022-02-16 13:20:15,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2022-02-16 13:20:15,002 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2022-02-16 13:20:15,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-16 13:20:15,003 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:20:15,007 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 13:20:15,007 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 13:20:15,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 01:20:15 BasicIcfg [2022-02-16 13:20:15,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 13:20:15,044 INFO L158 Benchmark]: Toolchain (without parser) took 25071.93ms. Allocated memory was 212.9MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 189.3MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-02-16 13:20:15,044 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 212.9MB. Free memory is still 177.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 13:20:15,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.93ms. Allocated memory is still 212.9MB. Free memory was 189.3MB in the beginning and 161.4MB in the end (delta: 27.9MB). Peak memory consumption was 30.9MB. Max. memory is 8.0GB. [2022-02-16 13:20:15,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.55ms. Allocated memory is still 212.9MB. Free memory was 161.4MB in the beginning and 158.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-16 13:20:15,044 INFO L158 Benchmark]: Boogie Preprocessor took 19.33ms. Allocated memory is still 212.9MB. Free memory was 158.8MB in the beginning and 157.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 13:20:15,045 INFO L158 Benchmark]: RCFGBuilder took 438.65ms. Allocated memory is still 212.9MB. Free memory was 157.2MB in the beginning and 142.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-16 13:20:15,045 INFO L158 Benchmark]: TraceAbstraction took 24031.21ms. Allocated memory was 212.9MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 142.5MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-02-16 13:20:15,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 212.9MB. Free memory is still 177.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 536.93ms. Allocated memory is still 212.9MB. Free memory was 189.3MB in the beginning and 161.4MB in the end (delta: 27.9MB). Peak memory consumption was 30.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.55ms. Allocated memory is still 212.9MB. Free memory was 161.4MB in the beginning and 158.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.33ms. Allocated memory is still 212.9MB. Free memory was 158.8MB in the beginning and 157.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 438.65ms. Allocated memory is still 212.9MB. Free memory was 157.2MB in the beginning and 142.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 24031.21ms. Allocated memory was 212.9MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 142.5MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 1245]: Data race detected Data race detected The following path leads to a data race: [L1227] 0 data *d; VAL [d={0:0}] [L1228] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [d={0:0}, m={3:0}] [L1237] 0 pthread_t id; VAL [d={0:0}, id={9:0}, m={3:0}] [L1238] 0 data *z; VAL [d={0:0}, id={9:0}, m={3:0}] [L1239] 0 d = malloc(sizeof(data)) VAL [d={-2:0}, d = malloc(sizeof(data))=105, id={9:0}, m={3:0}, malloc(sizeof(data))={-2:0}] [L1240] 0 z = d VAL [d={-2:0}, id={9:0}, m={3:0}, z={-2:0}] [L1241] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, d={-2:0}, id={9:0}, m={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, z={-2:0}] [L1243] EXPR 0 d->x VAL [arg={0:0}, d={-2:0}, d->x=104, id={9:0}, m={3:0}, z={-2:0}] [L1243] 0 printf("%d\n",d->x) VAL [arg={0:0}, d={-2:0}, d->x=104, id={9:0}, m={3:0}, z={-2:0}] [L1231] EXPR 1 d->x VAL [arg={0:0}, arg={0:0}, d={-2:0}, m={3:0}] [L1231] 1 d->x = 3 VAL [arg={0:0}, arg={0:0}, d={-2:0}, m={3:0}] [L1245] EXPR 0 z->y VAL [arg={0:0}, arg={0:0}, d={-2:0}, id={9:0}, m={3:0}, z={-2:0}, z->y=101] [L1232] EXPR 1 d->y VAL [arg={0:0}, arg={0:0}, d={-2:0}, m={3:0}] [L1232] 1 d->y = 8 VAL [arg={0:0}, arg={0:0}, d={-2:0}, d->y = 8=103, m={3:0}] [L1245] 0 printf("%d\n",z->y) VAL [arg={0:0}, arg={0:0}, d={-2:0}, d->y = 8=103, id={9:0}, m={3:0}, z={-2:0}, z->y=101] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: d->x = 3 [1231] * C: d->x = 3 [1231] * C: d->x = 3 [1231] * C: d = malloc(sizeof(data)) [1239] * C: d->y = 8 [1232] * C: d->x = 3 [1231] and C: printf("%d\n",z->y) [1245] - UnprovableResult [Line: 1239]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1243]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1243]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1231]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1231]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1232]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1232]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 140 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 23.9s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.5s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.1s, PartialOrderReductionTime: 10.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 899 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 899 mSDsluCounter, 3032 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1945 mSDsCounter, 197 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1639 IncrementalHoareTripleChecker+Invalid, 1836 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 197 mSolverCounterUnsat, 1099 mSDtfsCounter, 1639 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187029occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 147675 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 668 NumberOfCodeBlocks, 668 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 576 ConstructedInterpolants, 0 QuantifiedInterpolants, 2216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-16 13:20:15,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...