/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.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/06-symbeq_04-funloop_hard1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 20:13:18,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:13:18,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:13:18,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 20:13:18,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 20:13:18,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 20:13:18,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 20:13:18,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 20:13:18,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 20:13:18,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 20:13:18,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 20:13:18,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 20:13:18,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 20:13:18,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 20:13:18,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 20:13:18,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 20:13:18,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 20:13:18,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 20:13:18,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 20:13:18,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 20:13:18,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 20:13:18,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 20:13:18,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 20:13:18,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 20:13:18,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 20:13:18,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 20:13:18,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 20:13:18,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 20:13:18,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 20:13:18,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 20:13:18,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 20:13:18,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 20:13:18,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 20:13:18,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 20:13:18,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 20:13:18,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 20:13:18,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 20:13:18,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 20:13:18,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:13:18,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:13:18,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:13:18,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 20:13:18,144 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:13:18,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:13:18,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:13:18,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:13:18,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:13:18,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:13:18,145 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:13:18,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:13:18,145 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:13:18,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:13:18,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:13:18,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:13:18,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:13:18,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:13:18,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:13:18,147 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:13:18,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:13:18,147 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:13:18,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:13:18,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:13:18,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:13:18,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:13:18,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:13:18,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:13:18,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:13:18,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:13:18,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:13:18,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:13:18,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:13:18,149 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:13:18,149 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:13:18,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:13:18,149 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 20:13:18,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:13:18,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:13:18,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:13:18,346 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 20:13:18,347 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 20:13:18,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_04-funloop_hard1.i [2022-03-15 20:13:18,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc1fdf1f8/3b77e7ecfedc440d9f32b8fa99eb5905/FLAG1ea5d7f86 [2022-03-15 20:13:18,878 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 20:13:18,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_04-funloop_hard1.i [2022-03-15 20:13:18,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc1fdf1f8/3b77e7ecfedc440d9f32b8fa99eb5905/FLAG1ea5d7f86 [2022-03-15 20:13:19,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc1fdf1f8/3b77e7ecfedc440d9f32b8fa99eb5905 [2022-03-15 20:13:19,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:13:19,394 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 20:13:19,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 20:13:19,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 20:13:19,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 20:13:19,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:13:19" (1/1) ... [2022-03-15 20:13:19,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ae61cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:19, skipping insertion in model container [2022-03-15 20:13:19,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:13:19" (1/1) ... [2022-03-15 20:13:19,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 20:13:19,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 20:13:19,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:13:19,808 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 20:13:19,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:13:19,896 INFO L208 MainTranslator]: Completed translation [2022-03-15 20:13:19,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:19 WrapperNode [2022-03-15 20:13:19,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 20:13:19,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:13:19,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:13:19,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:13:19,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:19" (1/1) ... [2022-03-15 20:13:19,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:19" (1/1) ... [2022-03-15 20:13:19,949 INFO L137 Inliner]: procedures = 262, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2022-03-15 20:13:19,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:13:19,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:13:19,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:13:19,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:13:19,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:19" (1/1) ... [2022-03-15 20:13:19,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:19" (1/1) ... [2022-03-15 20:13:19,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:19" (1/1) ... [2022-03-15 20:13:19,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:19" (1/1) ... [2022-03-15 20:13:19,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:19" (1/1) ... [2022-03-15 20:13:19,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:19" (1/1) ... [2022-03-15 20:13:19,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:19" (1/1) ... [2022-03-15 20:13:19,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:13:19,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:13:19,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:13:19,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:13:19,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:19" (1/1) ... [2022-03-15 20:13:19,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:13:19,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:20,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 20:13:20,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 20:13:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 20:13:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 20:13:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 20:13:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 20:13:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 20:13:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 20:13:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 20:13:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 20:13:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:13:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:13:20,034 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 20:13:20,120 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:13:20,121 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:13:20,394 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:13:20,404 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:13:20,404 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-15 20:13:20,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:13:20 BoogieIcfgContainer [2022-03-15 20:13:20,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:13:20,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:13:20,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:13:20,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:13:20,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 08:13:19" (1/3) ... [2022-03-15 20:13:20,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e7ae82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:13:20, skipping insertion in model container [2022-03-15 20:13:20,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:19" (2/3) ... [2022-03-15 20:13:20,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e7ae82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:13:20, skipping insertion in model container [2022-03-15 20:13:20,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:13:20" (3/3) ... [2022-03-15 20:13:20,412 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_04-funloop_hard1.i [2022-03-15 20:13:20,416 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:13:20,416 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:13:20,417 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-03-15 20:13:20,417 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:13:20,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,496 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,497 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:20,503 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 20:13:20,535 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:13:20,539 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, 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=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 20:13:20,540 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-03-15 20:13:20,548 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:13:20,554 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 128 transitions, 261 flow [2022-03-15 20:13:20,556 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 128 transitions, 261 flow [2022-03-15 20:13:20,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 128 transitions, 261 flow [2022-03-15 20:13:20,587 INFO L129 PetriNetUnfolder]: 6/127 cut-off events. [2022-03-15 20:13:20,588 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 20:13:20,593 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 127 events. 6/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 232 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 102. Up to 2 conditions per place. [2022-03-15 20:13:20,596 INFO L116 LiptonReduction]: Number of co-enabled transitions 4864 [2022-03-15 20:13:21,884 INFO L131 LiptonReduction]: Checked pairs total: 16173 [2022-03-15 20:13:21,884 INFO L133 LiptonReduction]: Total number of compositions: 75 [2022-03-15 20:13:21,890 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 56 transitions, 117 flow [2022-03-15 20:13:21,923 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 595 states, 581 states have (on average 2.044750430292599) internal successors, (1188), 594 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:21,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 595 states, 581 states have (on average 2.044750430292599) internal successors, (1188), 594 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:21,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 20:13:21,931 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:21,931 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:21,932 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:21,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:21,935 INFO L85 PathProgramCache]: Analyzing trace with hash -2114734191, now seen corresponding path program 1 times [2022-03-15 20:13:21,948 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:21,948 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693179296] [2022-03-15 20:13:21,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:21,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:22,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:22,088 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:22,088 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693179296] [2022-03-15 20:13:22,089 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693179296] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:22,089 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:22,089 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:13:22,090 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [677070949] [2022-03-15 20:13:22,090 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:22,093 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:22,105 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2022-03-15 20:13:22,105 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:22,107 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:22,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:13:22,108 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:22,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:13:22,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:13:22,125 INFO L87 Difference]: Start difference. First operand has 595 states, 581 states have (on average 2.044750430292599) internal successors, (1188), 594 states have internal predecessors, (1188), 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, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:22,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:22,186 INFO L93 Difference]: Finished difference Result 596 states and 1189 transitions. [2022-03-15 20:13:22,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:13:22,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2022-03-15 20:13:22,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:22,203 INFO L225 Difference]: With dead ends: 596 [2022-03-15 20:13:22,203 INFO L226 Difference]: Without dead ends: 596 [2022-03-15 20:13:22,204 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 [2022-03-15 20:13:22,206 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:22,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:22,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2022-03-15 20:13:22,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2022-03-15 20:13:22,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 582 states have (on average 2.042955326460481) internal successors, (1189), 595 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:22,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1189 transitions. [2022-03-15 20:13:22,268 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1189 transitions. Word has length 11 [2022-03-15 20:13:22,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:22,268 INFO L470 AbstractCegarLoop]: Abstraction has 596 states and 1189 transitions. [2022-03-15 20:13:22,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:22,269 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1189 transitions. [2022-03-15 20:13:22,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 20:13:22,269 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:22,269 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:22,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:13:22,270 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:22,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:22,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1783178182, now seen corresponding path program 1 times [2022-03-15 20:13:22,271 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:22,271 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764558893] [2022-03-15 20:13:22,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:22,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:22,310 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:22,310 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764558893] [2022-03-15 20:13:22,311 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764558893] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:22,311 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288493615] [2022-03-15 20:13:22,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:22,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:22,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:22,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:22,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 20:13:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:22,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 20:13:22,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:22,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:22,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:22,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:22,497 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288493615] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:22,498 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:22,498 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-03-15 20:13:22,498 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1028028518] [2022-03-15 20:13:22,498 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:22,499 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:22,500 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2022-03-15 20:13:22,500 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:22,501 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:22,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 20:13:22,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:22,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 20:13:22,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-03-15 20:13:22,502 INFO L87 Difference]: Start difference. First operand 596 states and 1189 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:22,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:22,566 INFO L93 Difference]: Finished difference Result 597 states and 1190 transitions. [2022-03-15 20:13:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 20:13:22,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2022-03-15 20:13:22,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:22,569 INFO L225 Difference]: With dead ends: 597 [2022-03-15 20:13:22,569 INFO L226 Difference]: Without dead ends: 597 [2022-03-15 20:13:22,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-03-15 20:13:22,570 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:22,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:22,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2022-03-15 20:13:22,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2022-03-15 20:13:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 583 states have (on average 2.041166380789022) internal successors, (1190), 596 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 1190 transitions. [2022-03-15 20:13:22,602 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 1190 transitions. Word has length 12 [2022-03-15 20:13:22,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:22,602 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 1190 transitions. [2022-03-15 20:13:22,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:22,602 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1190 transitions. [2022-03-15 20:13:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 20:13:22,603 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:22,603 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:22,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:22,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:22,804 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:22,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:22,804 INFO L85 PathProgramCache]: Analyzing trace with hash -94876495, now seen corresponding path program 2 times [2022-03-15 20:13:22,806 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:22,806 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118728926] [2022-03-15 20:13:22,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:22,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:22,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:22,886 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:22,886 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118728926] [2022-03-15 20:13:22,886 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118728926] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:22,886 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99726527] [2022-03-15 20:13:22,886 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:22,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:22,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:22,896 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:22,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 20:13:23,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:23,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:23,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 25 conjunts are in the unsatisfiable core [2022-03-15 20:13:23,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:23,077 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:23,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:23,105 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:23,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:23,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:23,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:23,142 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:23,142 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:23,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:23,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:23,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:23,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:23,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:23,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:23,175 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:23,175 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:23,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 20:13:23,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:23,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99726527] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:23,195 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:23,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 11 [2022-03-15 20:13:23,196 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [11882833] [2022-03-15 20:13:23,196 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:23,197 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:23,198 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2022-03-15 20:13:23,198 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:23,199 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:23,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 20:13:23,199 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:23,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 20:13:23,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-03-15 20:13:23,200 INFO L87 Difference]: Start difference. First operand 597 states and 1190 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:23,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:23,661 INFO L93 Difference]: Finished difference Result 1380 states and 2756 transitions. [2022-03-15 20:13:23,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 20:13:23,661 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 13 [2022-03-15 20:13:23,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:23,675 INFO L225 Difference]: With dead ends: 1380 [2022-03-15 20:13:23,675 INFO L226 Difference]: Without dead ends: 1380 [2022-03-15 20:13:23,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2022-03-15 20:13:23,726 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 277 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:23,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 88 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 20:13:23,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2022-03-15 20:13:23,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 828. [2022-03-15 20:13:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 814 states have (on average 2.0294840294840295) internal successors, (1652), 827 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:23,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1652 transitions. [2022-03-15 20:13:23,749 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1652 transitions. Word has length 13 [2022-03-15 20:13:23,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:23,750 INFO L470 AbstractCegarLoop]: Abstraction has 828 states and 1652 transitions. [2022-03-15 20:13:23,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:23,750 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1652 transitions. [2022-03-15 20:13:23,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 20:13:23,753 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:23,753 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:23,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:23,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-15 20:13:23,974 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:23,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:23,974 INFO L85 PathProgramCache]: Analyzing trace with hash 444651920, now seen corresponding path program 1 times [2022-03-15 20:13:23,997 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:23,998 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443894856] [2022-03-15 20:13:23,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:23,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 20:13:24,132 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:24,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443894856] [2022-03-15 20:13:24,132 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443894856] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:24,132 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:24,132 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 20:13:24,132 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [289484068] [2022-03-15 20:13:24,132 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:24,134 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:24,136 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2022-03-15 20:13:24,136 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:24,136 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:24,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:13:24,136 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:24,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:13:24,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:13:24,137 INFO L87 Difference]: Start difference. First operand 828 states and 1652 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:24,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:24,184 INFO L93 Difference]: Finished difference Result 1228 states and 2452 transitions. [2022-03-15 20:13:24,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:13:24,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 13 [2022-03-15 20:13:24,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:24,190 INFO L225 Difference]: With dead ends: 1228 [2022-03-15 20:13:24,190 INFO L226 Difference]: Without dead ends: 1228 [2022-03-15 20:13:24,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:13:24,191 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 33 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:24,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 69 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:24,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2022-03-15 20:13:24,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 853. [2022-03-15 20:13:24,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 839 states have (on average 2.028605482717521) internal successors, (1702), 852 states have internal predecessors, (1702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:24,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1702 transitions. [2022-03-15 20:13:24,216 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1702 transitions. Word has length 13 [2022-03-15 20:13:24,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:24,217 INFO L470 AbstractCegarLoop]: Abstraction has 853 states and 1702 transitions. [2022-03-15 20:13:24,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:24,217 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1702 transitions. [2022-03-15 20:13:24,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 20:13:24,218 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:24,218 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:24,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 20:13:24,218 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:24,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:24,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1771751776, now seen corresponding path program 1 times [2022-03-15 20:13:24,220 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:24,220 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149133193] [2022-03-15 20:13:24,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:24,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:24,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:24,264 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:24,265 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149133193] [2022-03-15 20:13:24,265 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149133193] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:24,265 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855246978] [2022-03-15 20:13:24,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:24,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:24,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:24,272 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:24,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 20:13:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:24,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-15 20:13:24,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:24,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:24,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:24,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:24,407 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855246978] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:24,407 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:24,407 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-03-15 20:13:24,407 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1504029499] [2022-03-15 20:13:24,407 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:24,408 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:24,410 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2022-03-15 20:13:24,410 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:24,411 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:24,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 20:13:24,411 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:24,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 20:13:24,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-03-15 20:13:24,412 INFO L87 Difference]: Start difference. First operand 853 states and 1702 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:24,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:24,442 INFO L93 Difference]: Finished difference Result 854 states and 1703 transitions. [2022-03-15 20:13:24,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 20:13:24,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2022-03-15 20:13:24,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:24,445 INFO L225 Difference]: With dead ends: 854 [2022-03-15 20:13:24,445 INFO L226 Difference]: Without dead ends: 854 [2022-03-15 20:13:24,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-03-15 20:13:24,448 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:24,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:24,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2022-03-15 20:13:24,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 854. [2022-03-15 20:13:24,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 840 states have (on average 2.0273809523809523) internal successors, (1703), 853 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:24,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1703 transitions. [2022-03-15 20:13:24,465 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1703 transitions. Word has length 13 [2022-03-15 20:13:24,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:24,465 INFO L470 AbstractCegarLoop]: Abstraction has 854 states and 1703 transitions. [2022-03-15 20:13:24,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:24,465 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1703 transitions. [2022-03-15 20:13:24,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 20:13:24,467 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:24,467 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:24,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-15 20:13:24,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:24,684 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:24,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:24,684 INFO L85 PathProgramCache]: Analyzing trace with hash -974007031, now seen corresponding path program 2 times [2022-03-15 20:13:24,685 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:24,686 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292612679] [2022-03-15 20:13:24,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:24,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-15 20:13:24,771 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:24,771 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292612679] [2022-03-15 20:13:24,771 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292612679] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:24,771 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:24,772 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 20:13:24,772 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1683179485] [2022-03-15 20:13:24,772 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:24,773 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:24,774 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2022-03-15 20:13:24,774 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:24,774 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:24,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:24,775 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:24,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:24,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:24,775 INFO L87 Difference]: Start difference. First operand 854 states and 1703 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:24,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:24,995 INFO L93 Difference]: Finished difference Result 948 states and 1891 transitions. [2022-03-15 20:13:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:24,995 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 14 [2022-03-15 20:13:24,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:24,998 INFO L225 Difference]: With dead ends: 948 [2022-03-15 20:13:24,998 INFO L226 Difference]: Without dead ends: 948 [2022-03-15 20:13:24,998 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 [2022-03-15 20:13:24,999 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 46 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:24,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 26 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:13:25,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2022-03-15 20:13:25,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 914. [2022-03-15 20:13:25,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 900 states have (on average 2.0255555555555556) internal successors, (1823), 913 states have internal predecessors, (1823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1823 transitions. [2022-03-15 20:13:25,014 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1823 transitions. Word has length 14 [2022-03-15 20:13:25,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:25,014 INFO L470 AbstractCegarLoop]: Abstraction has 914 states and 1823 transitions. [2022-03-15 20:13:25,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:25,014 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1823 transitions. [2022-03-15 20:13:25,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-03-15 20:13:25,015 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:25,015 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:25,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 20:13:25,015 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:25,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:25,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1751760540, now seen corresponding path program 1 times [2022-03-15 20:13:25,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:25,017 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026564970] [2022-03-15 20:13:25,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:25,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:25,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:25,048 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:25,048 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026564970] [2022-03-15 20:13:25,048 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026564970] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:25,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546843034] [2022-03-15 20:13:25,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:25,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:25,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:25,050 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:25,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 20:13:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:25,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjunts are in the unsatisfiable core [2022-03-15 20:13:25,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:25,158 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:25,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:25,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:25,199 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546843034] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:25,199 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:25,199 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-15 20:13:25,200 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [917889776] [2022-03-15 20:13:25,200 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:25,202 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:25,204 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2022-03-15 20:13:25,205 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:25,205 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:25,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:25,205 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:25,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:25,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-03-15 20:13:25,205 INFO L87 Difference]: Start difference. First operand 914 states and 1823 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:25,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:25,255 INFO L93 Difference]: Finished difference Result 915 states and 1824 transitions. [2022-03-15 20:13:25,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:25,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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 20 [2022-03-15 20:13:25,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:25,258 INFO L225 Difference]: With dead ends: 915 [2022-03-15 20:13:25,258 INFO L226 Difference]: Without dead ends: 915 [2022-03-15 20:13:25,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-03-15 20:13:25,259 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:25,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:25,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2022-03-15 20:13:25,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 915. [2022-03-15 20:13:25,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 901 states have (on average 2.0244173140954493) internal successors, (1824), 914 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:25,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1824 transitions. [2022-03-15 20:13:25,275 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1824 transitions. Word has length 20 [2022-03-15 20:13:25,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:25,275 INFO L470 AbstractCegarLoop]: Abstraction has 915 states and 1824 transitions. [2022-03-15 20:13:25,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1824 transitions. [2022-03-15 20:13:25,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-03-15 20:13:25,275 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:25,275 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:25,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:25,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:25,493 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:25,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:25,494 INFO L85 PathProgramCache]: Analyzing trace with hash 2020263955, now seen corresponding path program 2 times [2022-03-15 20:13:25,495 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:25,495 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038993024] [2022-03-15 20:13:25,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:25,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:25,550 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:25,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038993024] [2022-03-15 20:13:25,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038993024] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:25,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874003878] [2022-03-15 20:13:25,551 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:25,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:25,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:25,552 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:25,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-15 20:13:25,612 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:25,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:25,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 25 conjunts are in the unsatisfiable core [2022-03-15 20:13:25,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:25,652 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:25,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:25,669 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:25,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:25,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:25,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:25,693 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:25,693 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:25,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:25,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:25,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:25,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:25,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:25,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:25,719 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:25,720 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:25,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-03-15 20:13:25,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:25,737 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874003878] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:25,737 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:25,737 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 13 [2022-03-15 20:13:25,738 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [404480513] [2022-03-15 20:13:25,738 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:25,740 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:25,744 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 21 transitions. [2022-03-15 20:13:25,744 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:25,745 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:25,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 20:13:25,745 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:25,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 20:13:25,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-03-15 20:13:25,745 INFO L87 Difference]: Start difference. First operand 915 states and 1824 transitions. Second operand has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:26,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:26,204 INFO L93 Difference]: Finished difference Result 1598 states and 3190 transitions. [2022-03-15 20:13:26,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 20:13:26,205 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 21 [2022-03-15 20:13:26,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:26,209 INFO L225 Difference]: With dead ends: 1598 [2022-03-15 20:13:26,210 INFO L226 Difference]: Without dead ends: 1598 [2022-03-15 20:13:26,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2022-03-15 20:13:26,210 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 265 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:26,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 86 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 20:13:26,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1598 states. [2022-03-15 20:13:26,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1598 to 1241. [2022-03-15 20:13:26,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 1227 states have (on average 2.04319478402608) internal successors, (2507), 1240 states have internal predecessors, (2507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:26,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 2507 transitions. [2022-03-15 20:13:26,234 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 2507 transitions. Word has length 21 [2022-03-15 20:13:26,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:26,234 INFO L470 AbstractCegarLoop]: Abstraction has 1241 states and 2507 transitions. [2022-03-15 20:13:26,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:26,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 2507 transitions. [2022-03-15 20:13:26,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-03-15 20:13:26,235 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:26,235 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:26,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:26,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:26,452 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:26,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:26,452 INFO L85 PathProgramCache]: Analyzing trace with hash -498711699, now seen corresponding path program 1 times [2022-03-15 20:13:26,453 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:26,453 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996637944] [2022-03-15 20:13:26,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:26,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:26,501 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:26,501 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:26,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996637944] [2022-03-15 20:13:26,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996637944] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:26,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617806049] [2022-03-15 20:13:26,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:26,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:26,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:26,502 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:26,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-15 20:13:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:26,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-15 20:13:26,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:26,602 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:26,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:26,649 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:26,649 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617806049] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:26,649 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:26,649 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-03-15 20:13:26,649 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [987593715] [2022-03-15 20:13:26,649 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:26,651 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:26,680 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 21 transitions. [2022-03-15 20:13:26,680 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:26,680 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:26,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 20:13:26,681 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:26,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 20:13:26,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:26,681 INFO L87 Difference]: Start difference. First operand 1241 states and 2507 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:26,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:26,714 INFO L93 Difference]: Finished difference Result 1242 states and 2508 transitions. [2022-03-15 20:13:26,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 20:13:26,714 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 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 21 [2022-03-15 20:13:26,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:26,718 INFO L225 Difference]: With dead ends: 1242 [2022-03-15 20:13:26,718 INFO L226 Difference]: Without dead ends: 1242 [2022-03-15 20:13:26,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:26,718 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:26,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:26,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2022-03-15 20:13:26,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1242. [2022-03-15 20:13:26,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1242 states, 1228 states have (on average 2.042345276872964) internal successors, (2508), 1241 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:26,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1242 states and 2508 transitions. [2022-03-15 20:13:26,740 INFO L78 Accepts]: Start accepts. Automaton has 1242 states and 2508 transitions. Word has length 21 [2022-03-15 20:13:26,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:26,740 INFO L470 AbstractCegarLoop]: Abstraction has 1242 states and 2508 transitions. [2022-03-15 20:13:26,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:26,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 2508 transitions. [2022-03-15 20:13:26,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 20:13:26,740 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:26,740 INFO L514 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:26,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:26,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:26,957 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:26,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:26,958 INFO L85 PathProgramCache]: Analyzing trace with hash -765040426, now seen corresponding path program 2 times [2022-03-15 20:13:26,958 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:26,959 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217252141] [2022-03-15 20:13:26,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:26,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:27,000 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:27,000 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217252141] [2022-03-15 20:13:27,000 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217252141] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:27,000 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803634978] [2022-03-15 20:13:27,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:27,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:27,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:27,016 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:27,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-15 20:13:27,086 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:27,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:27,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 25 conjunts are in the unsatisfiable core [2022-03-15 20:13:27,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:27,148 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:27,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:27,166 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:27,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:27,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:27,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:27,194 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:27,194 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:27,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:27,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:27,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:27,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:27,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:27,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:27,239 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:27,240 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-15 20:13:27,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:27,259 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803634978] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:27,259 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:27,259 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 14 [2022-03-15 20:13:27,260 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1347623957] [2022-03-15 20:13:27,260 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:27,262 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:27,265 INFO L252 McrAutomatonBuilder]: Finished intersection with 23 states and 22 transitions. [2022-03-15 20:13:27,265 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:27,266 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:27,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 20:13:27,266 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:27,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 20:13:27,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-03-15 20:13:27,266 INFO L87 Difference]: Start difference. First operand 1242 states and 2508 transitions. Second operand has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:27,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:27,640 INFO L93 Difference]: Finished difference Result 2469 states and 4989 transitions. [2022-03-15 20:13:27,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 20:13:27,641 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 22 [2022-03-15 20:13:27,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:27,648 INFO L225 Difference]: With dead ends: 2469 [2022-03-15 20:13:27,648 INFO L226 Difference]: Without dead ends: 2469 [2022-03-15 20:13:27,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2022-03-15 20:13:27,649 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 218 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:27,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 76 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 20:13:27,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2469 states. [2022-03-15 20:13:27,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2469 to 1666. [2022-03-15 20:13:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1652 states have (on average 2.0466101694915255) internal successors, (3381), 1665 states have internal predecessors, (3381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:27,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 3381 transitions. [2022-03-15 20:13:27,679 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 3381 transitions. Word has length 22 [2022-03-15 20:13:27,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:27,679 INFO L470 AbstractCegarLoop]: Abstraction has 1666 states and 3381 transitions. [2022-03-15 20:13:27,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 3381 transitions. [2022-03-15 20:13:27,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-03-15 20:13:27,680 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:27,680 INFO L514 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:27,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:27,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:27,896 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:27,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:27,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1945107, now seen corresponding path program 1 times [2022-03-15 20:13:27,897 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:27,897 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043849498] [2022-03-15 20:13:27,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:27,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:27,957 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:27,957 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:27,957 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043849498] [2022-03-15 20:13:27,957 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043849498] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:27,958 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021204738] [2022-03-15 20:13:27,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:27,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:27,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:27,959 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:27,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-15 20:13:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:28,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-15 20:13:28,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:28,068 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:28,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:28,144 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:28,144 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021204738] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:28,145 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:28,145 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2022-03-15 20:13:28,145 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1162664701] [2022-03-15 20:13:28,145 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:28,148 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:28,154 INFO L252 McrAutomatonBuilder]: Finished intersection with 37 states and 46 transitions. [2022-03-15 20:13:28,154 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:28,187 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:28,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 20:13:28,188 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:28,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 20:13:28,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:28,188 INFO L87 Difference]: Start difference. First operand 1666 states and 3381 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:28,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:28,246 INFO L93 Difference]: Finished difference Result 1667 states and 3382 transitions. [2022-03-15 20:13:28,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 20:13:28,247 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 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 26 [2022-03-15 20:13:28,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:28,252 INFO L225 Difference]: With dead ends: 1667 [2022-03-15 20:13:28,252 INFO L226 Difference]: Without dead ends: 1667 [2022-03-15 20:13:28,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:28,253 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:28,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:28,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2022-03-15 20:13:28,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1667. [2022-03-15 20:13:28,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1653 states have (on average 2.045977011494253) internal successors, (3382), 1666 states have internal predecessors, (3382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:28,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 3382 transitions. [2022-03-15 20:13:28,310 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 3382 transitions. Word has length 26 [2022-03-15 20:13:28,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:28,310 INFO L470 AbstractCegarLoop]: Abstraction has 1667 states and 3382 transitions. [2022-03-15 20:13:28,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:28,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 3382 transitions. [2022-03-15 20:13:28,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-03-15 20:13:28,312 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:28,312 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:28,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:28,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-15 20:13:28,528 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:28,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:28,529 INFO L85 PathProgramCache]: Analyzing trace with hash -92700086, now seen corresponding path program 2 times [2022-03-15 20:13:28,530 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:28,530 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960427677] [2022-03-15 20:13:28,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:28,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:28,607 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:28,607 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:28,607 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960427677] [2022-03-15 20:13:28,607 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960427677] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:28,607 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709268935] [2022-03-15 20:13:28,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:28,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:28,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:28,608 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:28,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-15 20:13:28,686 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:28,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:28,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 20:13:28,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:28,746 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-15 20:13:28,783 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-15 20:13:28,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:28,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709268935] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:28,783 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:28,784 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2022-03-15 20:13:28,784 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [336847990] [2022-03-15 20:13:28,784 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:28,787 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:28,794 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 47 transitions. [2022-03-15 20:13:28,794 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:28,851 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [38473#(and (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 1) (= |~#cache~0.base| 1)), 38474#(and (= |ULTIMATE.start_main_~i~2#1| 0) (= |~#cache~0.base| 1))] [2022-03-15 20:13:28,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 20:13:28,851 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:28,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 20:13:28,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-03-15 20:13:28,852 INFO L87 Difference]: Start difference. First operand 1667 states and 3382 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:29,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:29,117 INFO L93 Difference]: Finished difference Result 2750 states and 5466 transitions. [2022-03-15 20:13:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 20:13:29,117 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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 27 [2022-03-15 20:13:29,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:29,125 INFO L225 Difference]: With dead ends: 2750 [2022-03-15 20:13:29,125 INFO L226 Difference]: Without dead ends: 2750 [2022-03-15 20:13:29,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-03-15 20:13:29,126 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 326 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:29,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [326 Valid, 215 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:13:29,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2750 states. [2022-03-15 20:13:29,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2750 to 1543. [2022-03-15 20:13:29,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1529 states have (on average 2.027468933943754) internal successors, (3100), 1542 states have internal predecessors, (3100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:29,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 3100 transitions. [2022-03-15 20:13:29,154 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 3100 transitions. Word has length 27 [2022-03-15 20:13:29,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:29,154 INFO L470 AbstractCegarLoop]: Abstraction has 1543 states and 3100 transitions. [2022-03-15 20:13:29,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:29,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 3100 transitions. [2022-03-15 20:13:29,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-03-15 20:13:29,155 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:29,155 INFO L514 BasicCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:29,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:29,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:29,369 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:29,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:29,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1869188740, now seen corresponding path program 1 times [2022-03-15 20:13:29,370 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:29,370 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6117493] [2022-03-15 20:13:29,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:29,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-15 20:13:29,421 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:29,421 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6117493] [2022-03-15 20:13:29,421 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6117493] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:29,421 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384640577] [2022-03-15 20:13:29,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:29,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:29,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:29,448 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:29,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-15 20:13:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:29,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-15 20:13:29,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:29,574 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-15 20:13:29,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:29,651 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-15 20:13:29,652 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384640577] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:29,652 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:29,652 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2022-03-15 20:13:29,652 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1892544254] [2022-03-15 20:13:29,652 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:29,656 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:29,663 INFO L252 McrAutomatonBuilder]: Finished intersection with 32 states and 31 transitions. [2022-03-15 20:13:29,663 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:29,663 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:29,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 20:13:29,663 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:29,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 20:13:29,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:29,664 INFO L87 Difference]: Start difference. First operand 1543 states and 3100 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:29,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:29,720 INFO L93 Difference]: Finished difference Result 1544 states and 3101 transitions. [2022-03-15 20:13:29,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 20:13:29,720 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 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 31 [2022-03-15 20:13:29,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:29,725 INFO L225 Difference]: With dead ends: 1544 [2022-03-15 20:13:29,725 INFO L226 Difference]: Without dead ends: 1544 [2022-03-15 20:13:29,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:29,726 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:29,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:29,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2022-03-15 20:13:29,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1544. [2022-03-15 20:13:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1530 states have (on average 2.026797385620915) internal successors, (3101), 1543 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:29,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 3101 transitions. [2022-03-15 20:13:29,748 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 3101 transitions. Word has length 31 [2022-03-15 20:13:29,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:29,748 INFO L470 AbstractCegarLoop]: Abstraction has 1544 states and 3101 transitions. [2022-03-15 20:13:29,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 3101 transitions. [2022-03-15 20:13:29,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-03-15 20:13:29,749 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:29,749 INFO L514 BasicCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:29,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-03-15 20:13:29,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-03-15 20:13:29,966 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:29,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:29,966 INFO L85 PathProgramCache]: Analyzing trace with hash -128342107, now seen corresponding path program 2 times [2022-03-15 20:13:29,968 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:29,968 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475453698] [2022-03-15 20:13:29,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:29,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:30,047 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-15 20:13:30,047 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:30,047 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475453698] [2022-03-15 20:13:30,047 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475453698] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:30,047 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782880437] [2022-03-15 20:13:30,047 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:30,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:30,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:30,049 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:30,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-15 20:13:30,126 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:30,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:30,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-15 20:13:30,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:30,179 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:30,197 INFO L353 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-03-15 20:13:30,197 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:30,223 INFO L353 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-03-15 20:13:30,223 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:30,266 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-03-15 20:13:30,266 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:30,281 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-03-15 20:13:30,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:30,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782880437] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:30,281 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:30,281 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 14 [2022-03-15 20:13:30,281 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1115482537] [2022-03-15 20:13:30,281 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:30,285 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:30,291 INFO L252 McrAutomatonBuilder]: Finished intersection with 33 states and 32 transitions. [2022-03-15 20:13:30,291 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:30,292 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:30,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:30,292 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:30,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:30,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-03-15 20:13:30,293 INFO L87 Difference]: Start difference. First operand 1544 states and 3101 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:30,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:30,623 INFO L93 Difference]: Finished difference Result 1809 states and 3626 transitions. [2022-03-15 20:13:30,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:30,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-03-15 20:13:30,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:30,636 INFO L225 Difference]: With dead ends: 1809 [2022-03-15 20:13:30,636 INFO L226 Difference]: Without dead ends: 1809 [2022-03-15 20:13:30,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-03-15 20:13:30,637 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 72 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:30,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 36 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 20:13:30,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2022-03-15 20:13:30,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1649. [2022-03-15 20:13:30,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1636 states have (on average 2.0232273838630808) internal successors, (3310), 1648 states have internal predecessors, (3310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:30,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 3310 transitions. [2022-03-15 20:13:30,666 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 3310 transitions. Word has length 32 [2022-03-15 20:13:30,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:30,666 INFO L470 AbstractCegarLoop]: Abstraction has 1649 states and 3310 transitions. [2022-03-15 20:13:30,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 3310 transitions. [2022-03-15 20:13:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-03-15 20:13:30,668 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:30,668 INFO L514 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:30,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:30,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-03-15 20:13:30,887 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:30,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:30,888 INFO L85 PathProgramCache]: Analyzing trace with hash -818371775, now seen corresponding path program 1 times [2022-03-15 20:13:30,889 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:30,889 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414752825] [2022-03-15 20:13:30,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:30,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:30,938 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-15 20:13:30,938 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:30,938 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414752825] [2022-03-15 20:13:30,938 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414752825] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:30,938 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427937812] [2022-03-15 20:13:30,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:30,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:30,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:30,939 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:30,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-15 20:13:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:31,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-15 20:13:31,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 20:13:31,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:31,201 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 20:13:31,201 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427937812] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:31,201 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:31,201 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 14 [2022-03-15 20:13:31,201 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [461475671] [2022-03-15 20:13:31,201 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:31,205 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:31,211 INFO L252 McrAutomatonBuilder]: Finished intersection with 33 states and 32 transitions. [2022-03-15 20:13:31,211 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:31,212 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:31,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 20:13:31,212 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:31,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 20:13:31,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-03-15 20:13:31,213 INFO L87 Difference]: Start difference. First operand 1649 states and 3310 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:31,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:31,269 INFO L93 Difference]: Finished difference Result 2423 states and 4848 transitions. [2022-03-15 20:13:31,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 20:13:31,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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 32 [2022-03-15 20:13:31,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:31,283 INFO L225 Difference]: With dead ends: 2423 [2022-03-15 20:13:31,283 INFO L226 Difference]: Without dead ends: 2423 [2022-03-15 20:13:31,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-03-15 20:13:31,285 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 85 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:31,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 90 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:31,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2022-03-15 20:13:31,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 1788. [2022-03-15 20:13:31,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1788 states, 1775 states have (on average 2.033239436619718) internal successors, (3609), 1787 states have internal predecessors, (3609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1788 states and 3609 transitions. [2022-03-15 20:13:31,320 INFO L78 Accepts]: Start accepts. Automaton has 1788 states and 3609 transitions. Word has length 32 [2022-03-15 20:13:31,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:31,320 INFO L470 AbstractCegarLoop]: Abstraction has 1788 states and 3609 transitions. [2022-03-15 20:13:31,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:31,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 3609 transitions. [2022-03-15 20:13:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-03-15 20:13:31,321 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:31,321 INFO L514 BasicCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:31,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:31,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-03-15 20:13:31,539 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:31,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:31,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1550034663, now seen corresponding path program 1 times [2022-03-15 20:13:31,540 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:31,540 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176395138] [2022-03-15 20:13:31,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:31,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:31,616 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-03-15 20:13:31,617 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:31,617 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176395138] [2022-03-15 20:13:31,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176395138] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:31,617 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590138768] [2022-03-15 20:13:31,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:31,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:31,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:31,636 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:31,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-03-15 20:13:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:31,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-15 20:13:31,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-03-15 20:13:31,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:31,896 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-03-15 20:13:31,896 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590138768] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:31,896 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:31,896 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-03-15 20:13:31,896 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [139769098] [2022-03-15 20:13:31,897 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:31,902 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:31,910 INFO L252 McrAutomatonBuilder]: Finished intersection with 39 states and 38 transitions. [2022-03-15 20:13:31,911 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:31,911 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:31,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 20:13:31,911 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:31,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 20:13:31,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:31,912 INFO L87 Difference]: Start difference. First operand 1788 states and 3609 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:31,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:31,968 INFO L93 Difference]: Finished difference Result 1789 states and 3610 transitions. [2022-03-15 20:13:31,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 20:13:31,968 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 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 38 [2022-03-15 20:13:31,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:31,971 INFO L225 Difference]: With dead ends: 1789 [2022-03-15 20:13:31,971 INFO L226 Difference]: Without dead ends: 1789 [2022-03-15 20:13:31,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:31,972 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:31,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:31,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1789 states. [2022-03-15 20:13:31,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1789 to 1789. [2022-03-15 20:13:32,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1789 states, 1776 states have (on average 2.0326576576576576) internal successors, (3610), 1788 states have internal predecessors, (3610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:32,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1789 states and 3610 transitions. [2022-03-15 20:13:32,011 INFO L78 Accepts]: Start accepts. Automaton has 1789 states and 3610 transitions. Word has length 38 [2022-03-15 20:13:32,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:32,011 INFO L470 AbstractCegarLoop]: Abstraction has 1789 states and 3610 transitions. [2022-03-15 20:13:32,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:32,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 3610 transitions. [2022-03-15 20:13:32,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-15 20:13:32,012 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:32,013 INFO L514 BasicCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:32,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:32,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-03-15 20:13:32,235 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:32,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:32,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1707597982, now seen corresponding path program 2 times [2022-03-15 20:13:32,237 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:32,237 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26817126] [2022-03-15 20:13:32,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:32,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:32,343 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-03-15 20:13:32,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:32,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26817126] [2022-03-15 20:13:32,343 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26817126] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:32,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301529091] [2022-03-15 20:13:32,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:32,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:32,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:32,360 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:32,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-03-15 20:13:32,454 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:32,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:32,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-15 20:13:32,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:32,488 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:32,500 INFO L353 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-03-15 20:13:32,501 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:32,525 INFO L353 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-03-15 20:13:32,525 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:32,564 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-03-15 20:13:32,567 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:32,587 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-03-15 20:13:32,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:32,587 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301529091] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:32,587 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:32,587 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 15 [2022-03-15 20:13:32,587 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1997620339] [2022-03-15 20:13:32,588 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:32,593 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:32,603 INFO L252 McrAutomatonBuilder]: Finished intersection with 40 states and 39 transitions. [2022-03-15 20:13:32,603 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:32,603 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:32,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:32,604 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:32,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:32,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-03-15 20:13:32,605 INFO L87 Difference]: Start difference. First operand 1789 states and 3610 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:32,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:32,912 INFO L93 Difference]: Finished difference Result 2067 states and 4172 transitions. [2022-03-15 20:13:32,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:32,913 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-03-15 20:13:32,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:32,916 INFO L225 Difference]: With dead ends: 2067 [2022-03-15 20:13:32,916 INFO L226 Difference]: Without dead ends: 2001 [2022-03-15 20:13:32,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-03-15 20:13:32,917 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 70 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:32,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 37 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 20:13:32,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2001 states. [2022-03-15 20:13:32,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2001 to 1778. [2022-03-15 20:13:32,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1778 states, 1765 states have (on average 2.0589235127478753) internal successors, (3634), 1777 states have internal predecessors, (3634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:32,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 3634 transitions. [2022-03-15 20:13:32,941 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 3634 transitions. Word has length 39 [2022-03-15 20:13:32,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:32,941 INFO L470 AbstractCegarLoop]: Abstraction has 1778 states and 3634 transitions. [2022-03-15 20:13:32,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:32,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 3634 transitions. [2022-03-15 20:13:32,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-15 20:13:32,942 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:32,942 INFO L514 BasicCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:32,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:33,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:33,159 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:33,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:33,159 INFO L85 PathProgramCache]: Analyzing trace with hash 558434549, now seen corresponding path program 1 times [2022-03-15 20:13:33,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:33,160 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575423750] [2022-03-15 20:13:33,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:33,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:33,257 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-03-15 20:13:33,257 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:33,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575423750] [2022-03-15 20:13:33,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575423750] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:33,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508621392] [2022-03-15 20:13:33,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:33,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:33,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:33,259 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:33,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-03-15 20:13:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:33,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-15 20:13:33,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:33,468 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-03-15 20:13:33,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:33,544 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-03-15 20:13:33,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508621392] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:33,545 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:33,545 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 12 [2022-03-15 20:13:33,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [476625333] [2022-03-15 20:13:33,545 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:33,550 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:33,559 INFO L252 McrAutomatonBuilder]: Finished intersection with 40 states and 39 transitions. [2022-03-15 20:13:33,559 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:33,560 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:33,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 20:13:33,560 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:33,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 20:13:33,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:33,560 INFO L87 Difference]: Start difference. First operand 1778 states and 3634 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:33,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:33,608 INFO L93 Difference]: Finished difference Result 1779 states and 3635 transitions. [2022-03-15 20:13:33,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 20:13:33,608 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-03-15 20:13:33,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:33,612 INFO L225 Difference]: With dead ends: 1779 [2022-03-15 20:13:33,612 INFO L226 Difference]: Without dead ends: 1779 [2022-03-15 20:13:33,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:33,613 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:33,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:33,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2022-03-15 20:13:33,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1779. [2022-03-15 20:13:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1779 states, 1766 states have (on average 2.0583238958097394) internal successors, (3635), 1778 states have internal predecessors, (3635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:33,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 3635 transitions. [2022-03-15 20:13:33,637 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 3635 transitions. Word has length 39 [2022-03-15 20:13:33,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:33,637 INFO L470 AbstractCegarLoop]: Abstraction has 1779 states and 3635 transitions. [2022-03-15 20:13:33,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:33,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 3635 transitions. [2022-03-15 20:13:33,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-03-15 20:13:33,638 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:33,638 INFO L514 BasicCegarLoop]: trace histogram [9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:33,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:33,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-03-15 20:13:33,865 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:33,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:33,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1147930142, now seen corresponding path program 2 times [2022-03-15 20:13:33,866 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:33,866 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412071363] [2022-03-15 20:13:33,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:33,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:33,957 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-03-15 20:13:33,958 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:33,958 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412071363] [2022-03-15 20:13:33,958 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412071363] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:33,958 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128684286] [2022-03-15 20:13:33,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:33,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:33,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:33,959 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:33,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-03-15 20:13:34,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:34,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:34,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-15 20:13:34,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:34,109 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:34,123 INFO L353 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-03-15 20:13:34,123 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:34,146 INFO L353 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-03-15 20:13:34,146 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:34,188 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-03-15 20:13:34,188 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:34,215 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-03-15 20:13:34,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:34,216 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128684286] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:34,216 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:34,216 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 16 [2022-03-15 20:13:34,216 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1141183060] [2022-03-15 20:13:34,216 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:34,222 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:34,230 INFO L252 McrAutomatonBuilder]: Finished intersection with 41 states and 40 transitions. [2022-03-15 20:13:34,231 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:34,231 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:34,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:34,231 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:34,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:34,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-03-15 20:13:34,232 INFO L87 Difference]: Start difference. First operand 1779 states and 3635 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:34,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:34,466 INFO L93 Difference]: Finished difference Result 1866 states and 3811 transitions. [2022-03-15 20:13:34,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:34,466 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-03-15 20:13:34,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:34,470 INFO L225 Difference]: With dead ends: 1866 [2022-03-15 20:13:34,470 INFO L226 Difference]: Without dead ends: 1866 [2022-03-15 20:13:34,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-03-15 20:13:34,471 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 40 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:34,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 27 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:13:34,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2022-03-15 20:13:34,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1866. [2022-03-15 20:13:34,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1866 states, 1853 states have (on average 2.056664867781975) internal successors, (3811), 1865 states have internal predecessors, (3811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:34,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1866 states and 3811 transitions. [2022-03-15 20:13:34,498 INFO L78 Accepts]: Start accepts. Automaton has 1866 states and 3811 transitions. Word has length 40 [2022-03-15 20:13:34,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:34,498 INFO L470 AbstractCegarLoop]: Abstraction has 1866 states and 3811 transitions. [2022-03-15 20:13:34,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:34,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 3811 transitions. [2022-03-15 20:13:34,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-15 20:13:34,499 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:34,499 INFO L514 BasicCegarLoop]: trace histogram [9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:34,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:34,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:34,718 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:34,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:34,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1781971304, now seen corresponding path program 1 times [2022-03-15 20:13:34,718 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:34,719 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374612412] [2022-03-15 20:13:34,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:34,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 20:13:34,825 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:34,825 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374612412] [2022-03-15 20:13:34,825 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374612412] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:34,826 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183378744] [2022-03-15 20:13:34,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:34,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:34,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:34,839 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:34,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-03-15 20:13:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:34,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-15 20:13:34,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 20:13:35,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:35,121 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 20:13:35,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183378744] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:35,121 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:35,121 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 12 [2022-03-15 20:13:35,121 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [585077941] [2022-03-15 20:13:35,121 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:35,132 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:35,166 INFO L252 McrAutomatonBuilder]: Finished intersection with 69 states and 92 transitions. [2022-03-15 20:13:35,166 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:35,231 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:35,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 20:13:35,232 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:35,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 20:13:35,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:35,233 INFO L87 Difference]: Start difference. First operand 1866 states and 3811 transitions. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:35,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:35,302 INFO L93 Difference]: Finished difference Result 1867 states and 3812 transitions. [2022-03-15 20:13:35,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 20:13:35,303 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-03-15 20:13:35,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:35,306 INFO L225 Difference]: With dead ends: 1867 [2022-03-15 20:13:35,306 INFO L226 Difference]: Without dead ends: 1867 [2022-03-15 20:13:35,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:35,307 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:35,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:13:35,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1867 states. [2022-03-15 20:13:35,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1867 to 1867. [2022-03-15 20:13:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1867 states, 1854 states have (on average 2.0560949298813376) internal successors, (3812), 1866 states have internal predecessors, (3812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:35,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1867 states and 3812 transitions. [2022-03-15 20:13:35,331 INFO L78 Accepts]: Start accepts. Automaton has 1867 states and 3812 transitions. Word has length 44 [2022-03-15 20:13:35,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:35,331 INFO L470 AbstractCegarLoop]: Abstraction has 1867 states and 3812 transitions. [2022-03-15 20:13:35,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:35,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 3812 transitions. [2022-03-15 20:13:35,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:13:35,333 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:35,333 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:35,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:35,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:35,550 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:35,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:35,550 INFO L85 PathProgramCache]: Analyzing trace with hash -329216545, now seen corresponding path program 2 times [2022-03-15 20:13:35,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:35,552 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991871374] [2022-03-15 20:13:35,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:35,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:35,787 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:35,787 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991871374] [2022-03-15 20:13:35,787 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991871374] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:35,787 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334201965] [2022-03-15 20:13:35,787 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:35,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:35,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:35,808 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:35,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-03-15 20:13:35,942 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:35,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:35,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-15 20:13:35,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:36,107 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-15 20:13:36,159 INFO L353 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-03-15 20:13:36,159 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-03-15 20:13:36,261 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:36,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,304 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:36,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,348 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:36,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,437 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:36,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,499 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-03-15 20:13:36,559 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-15 20:13:36,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:36,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:36,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:36,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:36,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:36,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:36,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:36,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:36,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:36,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:37,215 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-03-15 20:13:37,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:37,242 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-15 20:13:37,242 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334201965] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:37,242 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 20:13:37,242 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11, 9] total 26 [2022-03-15 20:13:37,242 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [514415587] [2022-03-15 20:13:37,243 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:37,250 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:37,276 INFO L252 McrAutomatonBuilder]: Finished intersection with 70 states and 93 transitions. [2022-03-15 20:13:37,276 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:37,680 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [89379#(and (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |~#cache~0.offset| 2))) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))) (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |~#cache~0.offset| 3))) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))) (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |~#cache~0.offset| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))) (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |~#cache~0.offset| 1))) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))))] [2022-03-15 20:13:37,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 20:13:37,680 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:37,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 20:13:37,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=615, Unknown=0, NotChecked=0, Total=756 [2022-03-15 20:13:37,681 INFO L87 Difference]: Start difference. First operand 1867 states and 3812 transitions. Second operand has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:38,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:38,923 INFO L93 Difference]: Finished difference Result 4063 states and 8313 transitions. [2022-03-15 20:13:38,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-15 20:13:38,924 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 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 45 [2022-03-15 20:13:38,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:38,932 INFO L225 Difference]: With dead ends: 4063 [2022-03-15 20:13:38,932 INFO L226 Difference]: Without dead ends: 4063 [2022-03-15 20:13:38,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=201, Invalid=1059, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 20:13:38,933 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 143 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 443 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:38,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 47 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 402 Invalid, 0 Unknown, 443 Unchecked, 0.4s Time] [2022-03-15 20:13:38,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4063 states. [2022-03-15 20:13:38,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4063 to 1936. [2022-03-15 20:13:38,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1936 states, 1923 states have (on average 2.0561622464898597) internal successors, (3954), 1935 states have internal predecessors, (3954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:38,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 3954 transitions. [2022-03-15 20:13:38,971 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 3954 transitions. Word has length 45 [2022-03-15 20:13:38,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:38,972 INFO L470 AbstractCegarLoop]: Abstraction has 1936 states and 3954 transitions. [2022-03-15 20:13:38,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:38,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 3954 transitions. [2022-03-15 20:13:38,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:13:38,973 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:38,973 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:39,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:39,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:39,203 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:39,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:39,204 INFO L85 PathProgramCache]: Analyzing trace with hash -329191435, now seen corresponding path program 3 times [2022-03-15 20:13:39,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:39,205 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664348272] [2022-03-15 20:13:39,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:39,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:39,457 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:39,457 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:39,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664348272] [2022-03-15 20:13:39,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664348272] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:39,458 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521204577] [2022-03-15 20:13:39,458 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 20:13:39,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:39,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:39,470 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:39,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-03-15 20:13:39,636 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-15 20:13:39,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:39,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-15 20:13:39,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:39,802 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-15 20:13:39,852 INFO L353 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-03-15 20:13:39,853 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-03-15 20:13:39,978 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:40,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,016 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:40,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,063 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:40,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,118 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-03-15 20:13:40,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,180 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:40,209 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-15 20:13:40,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:40,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:40,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:40,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:40,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:40,649 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-03-15 20:13:40,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:40,664 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-15 20:13:40,664 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521204577] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:40,664 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 20:13:40,665 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11, 9] total 25 [2022-03-15 20:13:40,665 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1031301099] [2022-03-15 20:13:40,665 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:40,672 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:40,730 INFO L252 McrAutomatonBuilder]: Finished intersection with 70 states and 93 transitions. [2022-03-15 20:13:40,730 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:40,925 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [97623#(and (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |~#cache~0.offset| 2))) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))) (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |~#cache~0.offset| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))) (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |~#cache~0.offset| 1))) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))))] [2022-03-15 20:13:40,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 20:13:40,925 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:40,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 20:13:40,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=586, Unknown=0, NotChecked=0, Total=702 [2022-03-15 20:13:40,926 INFO L87 Difference]: Start difference. First operand 1936 states and 3954 transitions. Second operand has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:41,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:41,744 INFO L93 Difference]: Finished difference Result 3881 states and 7934 transitions. [2022-03-15 20:13:41,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-15 20:13:41,744 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 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 45 [2022-03-15 20:13:41,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:41,751 INFO L225 Difference]: With dead ends: 3881 [2022-03-15 20:13:41,751 INFO L226 Difference]: Without dead ends: 3881 [2022-03-15 20:13:41,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=191, Invalid=1141, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 20:13:41,753 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 179 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 443 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:41,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 48 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 492 Invalid, 0 Unknown, 443 Unchecked, 0.3s Time] [2022-03-15 20:13:41,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3881 states. [2022-03-15 20:13:41,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3881 to 1939. [2022-03-15 20:13:41,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1939 states, 1926 states have (on average 2.05607476635514) internal successors, (3960), 1938 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:41,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1939 states and 3960 transitions. [2022-03-15 20:13:41,830 INFO L78 Accepts]: Start accepts. Automaton has 1939 states and 3960 transitions. Word has length 45 [2022-03-15 20:13:41,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:41,830 INFO L470 AbstractCegarLoop]: Abstraction has 1939 states and 3960 transitions. [2022-03-15 20:13:41,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:41,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 3960 transitions. [2022-03-15 20:13:41,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:13:41,831 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:41,832 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:41,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:42,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:42,049 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:42,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:42,049 INFO L85 PathProgramCache]: Analyzing trace with hash -327576955, now seen corresponding path program 4 times [2022-03-15 20:13:42,050 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:42,050 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99942977] [2022-03-15 20:13:42,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:42,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:42,320 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:42,320 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:42,321 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99942977] [2022-03-15 20:13:42,321 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99942977] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:42,321 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206811428] [2022-03-15 20:13:42,321 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-15 20:13:42,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:42,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:42,331 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:42,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-03-15 20:13:42,704 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-15 20:13:42,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:42,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 50 conjunts are in the unsatisfiable core [2022-03-15 20:13:42,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:43,081 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:43,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,126 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:43,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,189 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2022-03-15 20:13:43,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,229 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:43,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:43,274 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:43,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:43,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:43,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206811428] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:43,650 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:43,650 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 29 [2022-03-15 20:13:43,650 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [444297891] [2022-03-15 20:13:43,651 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:43,657 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:43,684 INFO L252 McrAutomatonBuilder]: Finished intersection with 70 states and 93 transitions. [2022-03-15 20:13:43,684 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:43,939 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [105707#(= |ULTIMATE.start_main_~i~2#1| 0), 105705#(and (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |~#cache~0.offset| 28) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)), 105706#(<= 1 |t_funThread1of1ForFork0_~i~0#1|)] [2022-03-15 20:13:43,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-15 20:13:43,940 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:43,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-15 20:13:43,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=913, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 20:13:43,940 INFO L87 Difference]: Start difference. First operand 1939 states and 3960 transitions. Second operand has 15 states, 14 states have (on average 4.071428571428571) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:44,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:44,983 INFO L93 Difference]: Finished difference Result 2912 states and 5782 transitions. [2022-03-15 20:13:44,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-15 20:13:44,983 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.071428571428571) internal successors, (57), 15 states have internal predecessors, (57), 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 45 [2022-03-15 20:13:44,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:44,988 INFO L225 Difference]: With dead ends: 2912 [2022-03-15 20:13:44,989 INFO L226 Difference]: Without dead ends: 2912 [2022-03-15 20:13:44,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 90 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=332, Invalid=1560, Unknown=0, NotChecked=0, Total=1892 [2022-03-15 20:13:44,990 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 354 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 1772 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:44,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 350 Invalid, 1815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1772 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 20:13:44,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2912 states. [2022-03-15 20:13:45,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2912 to 2001. [2022-03-15 20:13:45,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2001 states, 1988 states have (on average 2.0553319919517103) internal successors, (4086), 2000 states have internal predecessors, (4086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:45,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 2001 states and 4086 transitions. [2022-03-15 20:13:45,020 INFO L78 Accepts]: Start accepts. Automaton has 2001 states and 4086 transitions. Word has length 45 [2022-03-15 20:13:45,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:45,021 INFO L470 AbstractCegarLoop]: Abstraction has 2001 states and 4086 transitions. [2022-03-15 20:13:45,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.071428571428571) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:45,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 4086 transitions. [2022-03-15 20:13:45,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:13:45,022 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:45,022 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:45,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:45,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-03-15 20:13:45,241 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:45,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:45,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1700766169, now seen corresponding path program 1 times [2022-03-15 20:13:45,242 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:45,242 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476947964] [2022-03-15 20:13:45,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:45,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:45,373 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:45,373 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:45,373 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476947964] [2022-03-15 20:13:45,373 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476947964] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:45,373 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884928236] [2022-03-15 20:13:45,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:45,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:45,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:45,375 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:45,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-03-15 20:13:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:45,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 36 conjunts are in the unsatisfiable core [2022-03-15 20:13:45,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:45,797 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:45,831 INFO L353 Elim1Store]: treesize reduction 31, result has 18.4 percent of original size [2022-03-15 20:13:45,831 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2022-03-15 20:13:45,852 INFO L353 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-03-15 20:13:45,852 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:45,882 INFO L353 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-03-15 20:13:45,882 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:45,921 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-03-15 20:13:45,922 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:45,943 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:45,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:46,159 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884928236] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:46,159 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:46,160 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2022-03-15 20:13:46,160 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1155154773] [2022-03-15 20:13:46,160 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:46,166 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:46,190 INFO L252 McrAutomatonBuilder]: Finished intersection with 71 states and 95 transitions. [2022-03-15 20:13:46,191 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:46,372 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [112938#(<= 1 |t_funThread1of1ForFork0_~i~0#1|), 112939#(= |ULTIMATE.start_main_~i~2#1| 0), 112937#(and (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |~#cache~0.offset| 28) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))] [2022-03-15 20:13:46,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-15 20:13:46,373 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:46,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-15 20:13:46,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=862, Unknown=0, NotChecked=0, Total=992 [2022-03-15 20:13:46,373 INFO L87 Difference]: Start difference. First operand 2001 states and 4086 transitions. Second operand has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:47,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:47,928 INFO L93 Difference]: Finished difference Result 3084 states and 6122 transitions. [2022-03-15 20:13:47,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-15 20:13:47,929 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 15 states have internal predecessors, (58), 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 45 [2022-03-15 20:13:47,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:47,970 INFO L225 Difference]: With dead ends: 3084 [2022-03-15 20:13:47,971 INFO L226 Difference]: Without dead ends: 3084 [2022-03-15 20:13:47,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 91 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 916 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=567, Invalid=2973, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 20:13:47,972 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 554 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 3098 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 3296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 3098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:47,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [554 Valid, 361 Invalid, 3296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 3098 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 20:13:47,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3084 states. [2022-03-15 20:13:47,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3084 to 2001. [2022-03-15 20:13:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2001 states, 1988 states have (on average 2.0553319919517103) internal successors, (4086), 2000 states have internal predecessors, (4086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:47,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 2001 states and 4086 transitions. [2022-03-15 20:13:47,997 INFO L78 Accepts]: Start accepts. Automaton has 2001 states and 4086 transitions. Word has length 45 [2022-03-15 20:13:47,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:47,998 INFO L470 AbstractCegarLoop]: Abstraction has 2001 states and 4086 transitions. [2022-03-15 20:13:47,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 4086 transitions. [2022-03-15 20:13:47,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:13:47,999 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:47,999 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:48,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:48,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-03-15 20:13:48,217 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:48,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:48,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1748133859, now seen corresponding path program 2 times [2022-03-15 20:13:48,218 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:48,219 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013179554] [2022-03-15 20:13:48,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:48,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:48,408 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:48,409 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:48,409 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013179554] [2022-03-15 20:13:48,409 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013179554] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:48,409 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93347213] [2022-03-15 20:13:48,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:48,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:48,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:48,428 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:48,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-03-15 20:13:48,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:48,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:48,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 45 conjunts are in the unsatisfiable core [2022-03-15 20:13:48,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:48,672 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-15 20:13:48,728 INFO L353 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-03-15 20:13:48,728 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-03-15 20:13:48,790 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:48,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:48,817 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:48,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:48,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:48,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:48,846 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-03-15 20:13:48,883 INFO L353 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-03-15 20:13:48,884 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:48,921 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-03-15 20:13:48,921 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:48,942 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-15 20:13:48,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:49,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:49,165 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-03-15 20:13:49,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-15 20:13:49,186 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93347213] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:49,186 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 20:13:49,186 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11, 9] total 24 [2022-03-15 20:13:49,186 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1493804216] [2022-03-15 20:13:49,186 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:49,192 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:49,214 INFO L252 McrAutomatonBuilder]: Finished intersection with 72 states and 97 transitions. [2022-03-15 20:13:49,215 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:49,398 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [120371#(and (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |~#cache~0.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1))) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))) (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |~#cache~0.offset| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))))] [2022-03-15 20:13:49,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 20:13:49,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:49,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 20:13:49,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=550, Unknown=0, NotChecked=0, Total=650 [2022-03-15 20:13:49,399 INFO L87 Difference]: Start difference. First operand 2001 states and 4086 transitions. Second operand has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:50,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:50,349 INFO L93 Difference]: Finished difference Result 3531 states and 7195 transitions. [2022-03-15 20:13:50,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 20:13:50,349 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 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 45 [2022-03-15 20:13:50,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:50,354 INFO L225 Difference]: With dead ends: 3531 [2022-03-15 20:13:50,354 INFO L226 Difference]: Without dead ends: 3531 [2022-03-15 20:13:50,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 103 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=181, Invalid=1009, Unknown=0, NotChecked=0, Total=1190 [2022-03-15 20:13:50,357 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 145 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 147 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:50,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 52 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 675 Invalid, 0 Unknown, 147 Unchecked, 0.5s Time] [2022-03-15 20:13:50,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2022-03-15 20:13:50,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 2010. [2022-03-15 20:13:50,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2010 states, 1997 states have (on average 2.055082623935904) internal successors, (4104), 2009 states have internal predecessors, (4104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:50,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 2010 states and 4104 transitions. [2022-03-15 20:13:50,400 INFO L78 Accepts]: Start accepts. Automaton has 2010 states and 4104 transitions. Word has length 45 [2022-03-15 20:13:50,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:50,400 INFO L470 AbstractCegarLoop]: Abstraction has 2010 states and 4104 transitions. [2022-03-15 20:13:50,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:50,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 4104 transitions. [2022-03-15 20:13:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:13:50,401 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:50,401 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:50,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2022-03-15 20:13:50,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:50,603 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:50,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:50,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1749633019, now seen corresponding path program 3 times [2022-03-15 20:13:50,605 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:50,605 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793513467] [2022-03-15 20:13:50,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:50,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:50,843 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:50,843 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:50,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793513467] [2022-03-15 20:13:50,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793513467] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:50,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369626537] [2022-03-15 20:13:50,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 20:13:50,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:50,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:50,855 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:50,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-03-15 20:13:51,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-15 20:13:51,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:51,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 45 conjunts are in the unsatisfiable core [2022-03-15 20:13:51,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:51,085 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-15 20:13:51,128 INFO L353 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-03-15 20:13:51,128 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-03-15 20:13:51,228 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:51,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:51,264 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:51,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:51,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:51,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:51,303 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:51,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:51,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:51,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:51,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:51,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:51,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:51,352 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 48 [2022-03-15 20:13:51,399 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-03-15 20:13:51,399 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:51,427 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-15 20:13:51,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:51,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:51,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:51,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:51,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:51,819 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-03-15 20:13:51,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-15 20:13:51,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369626537] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:51,842 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 20:13:51,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11, 9] total 25 [2022-03-15 20:13:51,843 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [880360067] [2022-03-15 20:13:51,843 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:51,849 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:51,913 INFO L252 McrAutomatonBuilder]: Finished intersection with 73 states and 99 transitions. [2022-03-15 20:13:51,914 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:52,217 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [128238#(and (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |~#cache~0.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1))) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))) (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2) |~#cache~0.offset|)) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))) (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |~#cache~0.offset| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))))] [2022-03-15 20:13:52,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 20:13:52,218 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:52,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 20:13:52,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=586, Unknown=0, NotChecked=0, Total=702 [2022-03-15 20:13:52,219 INFO L87 Difference]: Start difference. First operand 2010 states and 4104 transitions. Second operand has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:53,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:53,128 INFO L93 Difference]: Finished difference Result 3531 states and 7195 transitions. [2022-03-15 20:13:53,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 20:13:53,128 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 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 45 [2022-03-15 20:13:53,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:53,133 INFO L225 Difference]: With dead ends: 3531 [2022-03-15 20:13:53,133 INFO L226 Difference]: Without dead ends: 3531 [2022-03-15 20:13:53,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 103 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=198, Invalid=1062, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 20:13:53,133 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 142 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 305 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:53,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 49 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 511 Invalid, 0 Unknown, 305 Unchecked, 0.3s Time] [2022-03-15 20:13:53,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2022-03-15 20:13:53,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 2016. [2022-03-15 20:13:53,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2016 states, 2003 states have (on average 2.054917623564653) internal successors, (4116), 2015 states have internal predecessors, (4116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:53,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 2016 states and 4116 transitions. [2022-03-15 20:13:53,161 INFO L78 Accepts]: Start accepts. Automaton has 2016 states and 4116 transitions. Word has length 45 [2022-03-15 20:13:53,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:53,161 INFO L470 AbstractCegarLoop]: Abstraction has 2016 states and 4116 transitions. [2022-03-15 20:13:53,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:53,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 4116 transitions. [2022-03-15 20:13:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:13:53,164 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:53,164 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:53,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:53,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:53,377 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:53,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:53,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1749680449, now seen corresponding path program 4 times [2022-03-15 20:13:53,378 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:53,378 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577107554] [2022-03-15 20:13:53,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:53,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:53,641 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:53,641 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577107554] [2022-03-15 20:13:53,642 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577107554] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:53,645 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204927556] [2022-03-15 20:13:53,645 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-15 20:13:53,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:53,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:53,648 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:53,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-03-15 20:13:53,933 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-15 20:13:53,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:53,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-15 20:13:53,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:54,288 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:54,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,337 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:54,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,390 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:54,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,476 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:54,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:54,549 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-03-15 20:13:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:54,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:54,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:54,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:54,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:54,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:54,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:54,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:54,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:54,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:54,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:55,242 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:55,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204927556] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:55,243 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:55,243 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 31 [2022-03-15 20:13:55,243 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [862517505] [2022-03-15 20:13:55,243 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:55,249 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:55,274 INFO L252 McrAutomatonBuilder]: Finished intersection with 74 states and 101 transitions. [2022-03-15 20:13:55,274 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:55,670 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [136125#(= |ULTIMATE.start_main_~i~2#1| 0), 136124#(<= 1 |t_funThread1of1ForFork0_~i~0#1|), 136123#(and (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |~#cache~0.offset| 28) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))] [2022-03-15 20:13:55,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-15 20:13:55,670 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:55,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-15 20:13:55,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=1007, Unknown=0, NotChecked=0, Total=1190 [2022-03-15 20:13:55,671 INFO L87 Difference]: Start difference. First operand 2016 states and 4116 transitions. Second operand has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:56,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:56,872 INFO L93 Difference]: Finished difference Result 3122 states and 6202 transitions. [2022-03-15 20:13:56,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-15 20:13:56,872 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 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 45 [2022-03-15 20:13:56,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:56,876 INFO L225 Difference]: With dead ends: 3122 [2022-03-15 20:13:56,876 INFO L226 Difference]: Without dead ends: 3122 [2022-03-15 20:13:56,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 91 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 735 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=431, Invalid=2119, Unknown=0, NotChecked=0, Total=2550 [2022-03-15 20:13:56,879 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 407 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 1797 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 1885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:56,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [407 Valid, 350 Invalid, 1885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1797 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 20:13:56,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3122 states. [2022-03-15 20:13:56,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3122 to 2046. [2022-03-15 20:13:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2046 states, 2033 states have (on average 2.0541072306935564) internal successors, (4176), 2045 states have internal predecessors, (4176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:56,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 2046 states and 4176 transitions. [2022-03-15 20:13:56,907 INFO L78 Accepts]: Start accepts. Automaton has 2046 states and 4176 transitions. Word has length 45 [2022-03-15 20:13:56,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:56,907 INFO L470 AbstractCegarLoop]: Abstraction has 2046 states and 4176 transitions. [2022-03-15 20:13:56,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:56,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 4176 transitions. [2022-03-15 20:13:56,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:13:56,908 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:56,908 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:56,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2022-03-15 20:13:57,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-03-15 20:13:57,126 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:13:57,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:57,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1883138674, now seen corresponding path program 1 times [2022-03-15 20:13:57,128 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:57,128 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351797716] [2022-03-15 20:13:57,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:57,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:57,528 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:57,528 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351797716] [2022-03-15 20:13:57,528 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351797716] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:57,528 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727002759] [2022-03-15 20:13:57,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:57,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:57,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:57,529 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:57,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-03-15 20:13:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:57,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 54 conjunts are in the unsatisfiable core [2022-03-15 20:13:57,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:57,906 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:57,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:57,935 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:57,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:57,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:57,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:57,971 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:58,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,010 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:58,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,063 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-03-15 20:13:58,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,085 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-03-15 20:13:58,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,133 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-03-15 20:13:58,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,161 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-03-15 20:13:58,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:58,225 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 59 [2022-03-15 20:13:58,253 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:58,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:59,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:59,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:59,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:59,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:59,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:59,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:59,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:59,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:59,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:13:59,458 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:59,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727002759] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:59,458 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:59,458 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 12] total 32 [2022-03-15 20:13:59,458 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2098481995] [2022-03-15 20:13:59,458 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:59,463 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:59,484 INFO L252 McrAutomatonBuilder]: Finished intersection with 69 states and 91 transitions. [2022-03-15 20:13:59,485 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:59,863 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [143670#(<= 1 |t_funThread1of1ForFork0_~i~0#1|), 143669#(and (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |~#cache~0.offset| 28) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)), 143671#(= |ULTIMATE.start_main_~i~2#1| 0)] [2022-03-15 20:13:59,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-15 20:13:59,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:59,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-15 20:13:59,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1070, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 20:13:59,864 INFO L87 Difference]: Start difference. First operand 2046 states and 4176 transitions. Second operand has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:14:01,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:14:01,503 INFO L93 Difference]: Finished difference Result 3039 states and 6036 transitions. [2022-03-15 20:14:01,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-15 20:14:01,504 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 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 45 [2022-03-15 20:14:01,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:14:01,506 INFO L225 Difference]: With dead ends: 3039 [2022-03-15 20:14:01,507 INFO L226 Difference]: Without dead ends: 3039 [2022-03-15 20:14:01,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 88 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=393, Invalid=2157, Unknown=0, NotChecked=0, Total=2550 [2022-03-15 20:14:01,510 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 401 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 2191 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 2284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:14:01,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [401 Valid, 356 Invalid, 2284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2191 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 20:14:01,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3039 states. [2022-03-15 20:14:01,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3039 to 2089. [2022-03-15 20:14:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2076 states have (on average 2.0558766859344892) internal successors, (4268), 2088 states have internal predecessors, (4268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:14:01,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 4268 transitions. [2022-03-15 20:14:01,537 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 4268 transitions. Word has length 45 [2022-03-15 20:14:01,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:14:01,537 INFO L470 AbstractCegarLoop]: Abstraction has 2089 states and 4268 transitions. [2022-03-15 20:14:01,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:14:01,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 4268 transitions. [2022-03-15 20:14:01,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:14:01,541 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:14:01,541 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:14:01,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-03-15 20:14:01,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-03-15 20:14:01,759 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:14:01,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:14:01,759 INFO L85 PathProgramCache]: Analyzing trace with hash 2029288535, now seen corresponding path program 1 times [2022-03-15 20:14:01,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:14:01,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910223210] [2022-03-15 20:14:01,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:14:01,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:14:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:14:01,984 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:14:01,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:14:01,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910223210] [2022-03-15 20:14:01,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910223210] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:14:01,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609434419] [2022-03-15 20:14:01,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:14:01,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:14:01,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:14:01,986 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:14:01,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-03-15 20:14:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:14:02,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 36 conjunts are in the unsatisfiable core [2022-03-15 20:14:02,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:14:02,406 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:14:02,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:02,438 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:14:02,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:02,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:02,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:02,467 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:14:02,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:02,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:02,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:02,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:02,513 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:14:02,577 INFO L353 Elim1Store]: treesize reduction 204, result has 14.6 percent of original size [2022-03-15 20:14:02,577 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 53 treesize of output 61 [2022-03-15 20:14:02,595 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:14:02,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:14:02,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:02,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:02,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:02,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:02,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:02,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:02,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:02,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:02,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:03,250 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:14:03,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609434419] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:14:03,251 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:14:03,251 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 31 [2022-03-15 20:14:03,251 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [384732409] [2022-03-15 20:14:03,251 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:14:03,256 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:14:03,281 INFO L252 McrAutomatonBuilder]: Finished intersection with 80 states and 113 transitions. [2022-03-15 20:14:03,282 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:14:03,351 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2022-03-15 20:14:03,358 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2022-03-15 20:14:03,362 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2022-03-15 20:14:03,367 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2022-03-15 20:14:03,374 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2022-03-15 20:14:03,563 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2022-03-15 20:14:03,585 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2022-03-15 20:14:03,603 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2022-03-15 20:14:03,610 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2022-03-15 20:14:03,616 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2022-03-15 20:14:03,955 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 5 new interpolants: [151217#(and (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |~#cache~0.offset| 28) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)), 151216#(and (not (= |~#cache~0.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1))) (not (= |~#cache~0.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3))) (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (not (= |~#cache~0.offset| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2) |~#cache~0.offset|))), 151219#(= |ULTIMATE.start_main_~i~2#1| 0), 151218#(<= 1 |t_funThread1of1ForFork0_~i~0#1|), 151215#(and (or (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (<= 10 |ULTIMATE.start_main_~i~2#1|)) (or (<= 10 |ULTIMATE.start_main_~i~2#1|) (not (= (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#cache~0.offset|)))) (or (<= 10 |ULTIMATE.start_main_~i~2#1|) (not (= (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#cache~0.offset|)))) (or (not (= (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#cache~0.offset|))) (<= 10 |ULTIMATE.start_main_~i~2#1|)) (or (not (= |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#cache~0.offset|))) (<= 10 |ULTIMATE.start_main_~i~2#1|)))] [2022-03-15 20:14:03,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-15 20:14:03,956 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:14:03,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-15 20:14:03,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 20:14:03,956 INFO L87 Difference]: Start difference. First operand 2089 states and 4268 transitions. Second operand has 17 states, 16 states have (on average 4.3125) internal successors, (69), 17 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:14:05,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:14:05,312 INFO L93 Difference]: Finished difference Result 3583 states and 7084 transitions. [2022-03-15 20:14:05,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 20:14:05,314 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.3125) internal successors, (69), 17 states have internal predecessors, (69), 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 45 [2022-03-15 20:14:05,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:14:05,318 INFO L225 Difference]: With dead ends: 3583 [2022-03-15 20:14:05,318 INFO L226 Difference]: Without dead ends: 3583 [2022-03-15 20:14:05,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 930 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=511, Invalid=2795, Unknown=0, NotChecked=0, Total=3306 [2022-03-15 20:14:05,323 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 557 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 20:14:05,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [557 Valid, 268 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 20:14:05,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3583 states. [2022-03-15 20:14:05,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3583 to 2109. [2022-03-15 20:14:05,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2109 states, 2096 states have (on average 2.0553435114503817) internal successors, (4308), 2108 states have internal predecessors, (4308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:14:05,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 4308 transitions. [2022-03-15 20:14:05,356 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 4308 transitions. Word has length 45 [2022-03-15 20:14:05,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:14:05,356 INFO L470 AbstractCegarLoop]: Abstraction has 2109 states and 4308 transitions. [2022-03-15 20:14:05,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.3125) internal successors, (69), 17 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:14:05,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 4308 transitions. [2022-03-15 20:14:05,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:14:05,357 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:14:05,358 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:14:05,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-03-15 20:14:05,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-03-15 20:14:05,574 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:14:05,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:14:05,575 INFO L85 PathProgramCache]: Analyzing trace with hash -68128161, now seen corresponding path program 5 times [2022-03-15 20:14:05,576 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:14:05,576 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804455073] [2022-03-15 20:14:05,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:14:05,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:14:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:14:05,804 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:14:05,804 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:14:05,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804455073] [2022-03-15 20:14:05,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804455073] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:14:05,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230743518] [2022-03-15 20:14:05,805 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-15 20:14:05,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:14:05,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:14:05,807 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:14:05,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-03-15 20:14:06,083 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-03-15 20:14:06,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:14:06,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 48 conjunts are in the unsatisfiable core [2022-03-15 20:14:06,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:14:06,260 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:14:06,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:06,323 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-03-15 20:14:06,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:06,352 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:14:06,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:06,363 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:14:06,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:06,379 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:14:06,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:06,408 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:14:06,456 INFO L353 Elim1Store]: treesize reduction 76, result has 18.3 percent of original size [2022-03-15 20:14:06,456 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 37 [2022-03-15 20:14:06,490 INFO L353 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-03-15 20:14:06,490 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:14:06,535 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-03-15 20:14:06,535 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:14:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:14:06,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:14:09,296 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_66| Int)) (or (< (+ (* |c_ULTIMATE.start_main_~i~2#1| 28) |c_~#cache~0.offset|) |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_66|) (and (forall ((v_ArrVal_3119 Int) (v_ArrVal_3117 Int) (v_ArrVal_3114 Int) (v_ArrVal_3122 Int)) (= (select (select (let ((.cse0 (let ((.cse1 (store |c_#race| |c_~#cache~0.base| (store (store (store (select |c_#race| |c_~#cache~0.base|) (+ 1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_66|) v_ArrVal_3114) (+ 2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_66|) v_ArrVal_3117) (+ 3 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_66|) v_ArrVal_3119)))) (store .cse1 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse1 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1) 0))))) (store .cse0 |c_~#cache~0.base| (store (select .cse0 |c_~#cache~0.base|) |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_66| v_ArrVal_3122))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) (forall ((v_ArrVal_3119 Int) (v_ArrVal_3117 Int) (v_ArrVal_3114 Int) (v_ArrVal_3122 Int)) (= (let ((.cse4 (+ |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1))) (select (select (let ((.cse2 (let ((.cse3 (store |c_#race| |c_~#cache~0.base| (store (store (store (select |c_#race| |c_~#cache~0.base|) (+ 1 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_66|) v_ArrVal_3114) (+ 2 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_66|) v_ArrVal_3117) (+ 3 |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_66|) v_ArrVal_3119)))) (store .cse3 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse3 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse4 0))))) (store .cse2 |c_~#cache~0.base| (store (select .cse2 |c_~#cache~0.base|) |v_ULTIMATE.start_cache_entry_addref_~entry#1.offset_66| v_ArrVal_3122))) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) .cse4)) 0))))) is different from false [2022-03-15 20:14:09,688 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:14:09,688 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230743518] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:14:09,688 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:14:09,688 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 14] total 32 [2022-03-15 20:14:09,688 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [384947964] [2022-03-15 20:14:09,688 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:14:09,713 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:14:09,755 INFO L252 McrAutomatonBuilder]: Finished intersection with 69 states and 91 transitions. [2022-03-15 20:14:09,756 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:14:10,015 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 5 new interpolants: [159361#(and (= (select (select |#race| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0) (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |~#cache~0.offset| 28) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)), 159360#(and (not (= |ULTIMATE.start_cache_entry_addref_~entry#1.offset| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= (+ |ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2))) (not (= |ULTIMATE.start_cache_entry_addref_~entry#1.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1))) (= |ULTIMATE.start_cache_entry_addref_~entry#1.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (not (= (+ |ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))), 159364#(= |ULTIMATE.start_main_~i~2#1| 0), 159363#(<= 1 |t_funThread1of1ForFork0_~i~0#1|), 159362#(and (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |~#cache~0.offset| 28) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))] [2022-03-15 20:14:10,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-15 20:14:10,015 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:14:10,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-15 20:14:10,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1170, Unknown=1, NotChecked=70, Total=1406 [2022-03-15 20:14:10,016 INFO L87 Difference]: Start difference. First operand 2109 states and 4308 transitions. Second operand has 17 states, 16 states have (on average 3.9375) internal successors, (63), 17 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) [2022-03-15 20:14:11,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:14:11,368 INFO L93 Difference]: Finished difference Result 3221 states and 6406 transitions. [2022-03-15 20:14:11,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 20:14:11,368 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.9375) internal successors, (63), 17 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 45 [2022-03-15 20:14:11,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:14:11,372 INFO L225 Difference]: With dead ends: 3221 [2022-03-15 20:14:11,372 INFO L226 Difference]: Without dead ends: 3221 [2022-03-15 20:14:11,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 86 SyntacticMatches, 4 SemanticMatches, 58 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 975 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=568, Invalid=2857, Unknown=1, NotChecked=114, Total=3540 [2022-03-15 20:14:11,374 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 567 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 2195 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 2413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 2195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 20:14:11,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [567 Valid, 410 Invalid, 2413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 2195 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 20:14:11,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3221 states. [2022-03-15 20:14:11,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3221 to 2123. [2022-03-15 20:14:11,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 2110 states have (on average 2.0549763033175354) internal successors, (4336), 2122 states have internal predecessors, (4336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:14:11,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 4336 transitions. [2022-03-15 20:14:11,398 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 4336 transitions. Word has length 45 [2022-03-15 20:14:11,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:14:11,398 INFO L470 AbstractCegarLoop]: Abstraction has 2123 states and 4336 transitions. [2022-03-15 20:14:11,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.9375) internal successors, (63), 17 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) [2022-03-15 20:14:11,398 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 4336 transitions. [2022-03-15 20:14:11,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:14:11,399 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:14:11,399 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:14:11,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-03-15 20:14:11,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:14:11,617 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:14:11,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:14:11,617 INFO L85 PathProgramCache]: Analyzing trace with hash -69627321, now seen corresponding path program 6 times [2022-03-15 20:14:11,618 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:14:11,618 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157378910] [2022-03-15 20:14:11,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:14:11,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:14:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:14:11,945 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:14:11,945 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:14:11,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157378910] [2022-03-15 20:14:11,946 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157378910] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:14:11,946 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834833648] [2022-03-15 20:14:11,946 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-15 20:14:11,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:14:11,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:14:11,947 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:14:11,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-03-15 20:14:12,116 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-03-15 20:14:12,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:14:12,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 59 conjunts are in the unsatisfiable core [2022-03-15 20:14:12,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:14:12,193 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-15 20:14:12,260 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:14:12,299 INFO L353 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-03-15 20:14:12,299 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-03-15 20:14:12,342 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-03-15 20:14:12,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,358 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:14:12,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,373 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:14:12,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,386 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:14:12,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,495 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-03-15 20:14:12,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,560 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 68 [2022-03-15 20:14:12,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:12,634 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 99 [2022-03-15 20:14:15,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:15,219 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 95 [2022-03-15 20:14:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-15 20:14:17,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:14:19,050 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:14:19,051 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 3382 treesize of output 3374 [2022-03-15 20:14:19,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:19,109 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 77 [2022-03-15 20:14:19,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:19,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:19,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:19,115 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2022-03-15 20:14:19,212 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-03-15 20:14:19,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:19,248 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-15 20:14:19,248 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834833648] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 20:14:19,248 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 20:14:19,248 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [11, 11] total 31 [2022-03-15 20:14:19,249 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [887801898] [2022-03-15 20:14:19,249 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:14:19,253 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:14:19,275 INFO L252 McrAutomatonBuilder]: Finished intersection with 70 states and 93 transitions. [2022-03-15 20:14:19,275 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:14:20,022 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [167172#(and (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |~#cache~0.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1))) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))) (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2) |~#cache~0.offset|)) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))) (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |~#cache~0.offset| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))))] [2022-03-15 20:14:20,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-15 20:14:20,022 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:14:20,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-15 20:14:20,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=879, Unknown=1, NotChecked=0, Total=1056 [2022-03-15 20:14:20,023 INFO L87 Difference]: Start difference. First operand 2123 states and 4336 transitions. Second operand has 14 states, 13 states have (on average 3.0) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:14:21,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:14:21,471 INFO L93 Difference]: Finished difference Result 3341 states and 6847 transitions. [2022-03-15 20:14:21,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-15 20:14:21,472 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.0) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-03-15 20:14:21,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:14:21,476 INFO L225 Difference]: With dead ends: 3341 [2022-03-15 20:14:21,476 INFO L226 Difference]: Without dead ends: 3341 [2022-03-15 20:14:21,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 91 SyntacticMatches, 7 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=246, Invalid=1393, Unknown=1, NotChecked=0, Total=1640 [2022-03-15 20:14:21,478 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 118 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 436 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:14:21,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 67 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 394 Invalid, 0 Unknown, 436 Unchecked, 0.2s Time] [2022-03-15 20:14:21,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3341 states. [2022-03-15 20:14:21,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3341 to 2161. [2022-03-15 20:14:21,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2161 states, 2148 states have (on average 2.054934823091248) internal successors, (4414), 2160 states have internal predecessors, (4414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:14:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 2161 states and 4414 transitions. [2022-03-15 20:14:21,502 INFO L78 Accepts]: Start accepts. Automaton has 2161 states and 4414 transitions. Word has length 45 [2022-03-15 20:14:21,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:14:21,503 INFO L470 AbstractCegarLoop]: Abstraction has 2161 states and 4414 transitions. [2022-03-15 20:14:21,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.0) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:14:21,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 4414 transitions. [2022-03-15 20:14:21,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:14:21,506 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:14:21,506 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:14:21,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-03-15 20:14:21,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:14:21,720 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:14:21,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:14:21,720 INFO L85 PathProgramCache]: Analyzing trace with hash -69674751, now seen corresponding path program 7 times [2022-03-15 20:14:21,763 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:14:21,763 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710580014] [2022-03-15 20:14:21,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:14:21,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:14:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:14:22,206 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:14:22,206 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:14:22,206 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710580014] [2022-03-15 20:14:22,206 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710580014] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:14:22,206 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260464454] [2022-03-15 20:14:22,206 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-15 20:14:22,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:14:22,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:14:22,219 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:14:22,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-03-15 20:14:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:14:22,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 54 conjunts are in the unsatisfiable core [2022-03-15 20:14:22,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:14:22,704 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:14:22,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,779 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-03-15 20:14:22,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,792 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:14:22,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,806 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:14:22,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,820 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:14:22,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,852 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:14:22,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,892 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:14:22,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,943 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:14:22,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:22,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:23,001 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-03-15 20:14:23,031 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:14:23,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:14:31,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:31,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:31,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:31,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:31,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:31,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:31,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:31,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:31,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:49,760 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:14:49,760 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260464454] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:14:49,760 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:14:49,760 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 14] total 34 [2022-03-15 20:14:49,760 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1723965727] [2022-03-15 20:14:49,760 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:14:49,765 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:14:49,787 INFO L252 McrAutomatonBuilder]: Finished intersection with 71 states and 95 transitions. [2022-03-15 20:14:49,787 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:14:50,493 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 5 new interpolants: [175159#(and (= (select (select |#race| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0) (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |~#cache~0.offset| 28) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)), 175161#(<= 1 |t_funThread1of1ForFork0_~i~0#1|), 175162#(= |ULTIMATE.start_main_~i~2#1| 0), 175158#(and (not (= |ULTIMATE.start_cache_entry_addref_~entry#1.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3))) (not (= |ULTIMATE.start_cache_entry_addref_~entry#1.offset| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= (+ |ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2))) (not (= |ULTIMATE.start_cache_entry_addref_~entry#1.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1))) (not (= |ULTIMATE.start_cache_entry_addref_~entry#1.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2))) (= |ULTIMATE.start_cache_entry_addref_~entry#1.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (not (= (+ |ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))), 175160#(and (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |~#cache~0.offset| 28) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))] [2022-03-15 20:14:50,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-15 20:14:50,493 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:14:50,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-15 20:14:50,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1338, Unknown=0, NotChecked=0, Total=1560 [2022-03-15 20:14:50,494 INFO L87 Difference]: Start difference. First operand 2161 states and 4414 transitions. Second operand has 17 states, 16 states have (on average 4.0625) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:14:52,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:14:52,579 INFO L93 Difference]: Finished difference Result 3185 states and 6336 transitions. [2022-03-15 20:14:52,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-15 20:14:52,580 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 17 states have internal predecessors, (65), 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 45 [2022-03-15 20:14:52,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:14:52,584 INFO L225 Difference]: With dead ends: 3185 [2022-03-15 20:14:52,584 INFO L226 Difference]: Without dead ends: 3185 [2022-03-15 20:14:52,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 86 SyntacticMatches, 4 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1061 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=543, Invalid=2763, Unknown=0, NotChecked=0, Total=3306 [2022-03-15 20:14:52,585 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 408 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 2834 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 2994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 2834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 20:14:52,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [408 Valid, 480 Invalid, 2994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 2834 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 20:14:52,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3185 states. [2022-03-15 20:14:52,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3185 to 2151. [2022-03-15 20:14:52,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2151 states, 2138 states have (on average 2.0551917680074836) internal successors, (4394), 2150 states have internal predecessors, (4394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:14:52,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 2151 states and 4394 transitions. [2022-03-15 20:14:52,620 INFO L78 Accepts]: Start accepts. Automaton has 2151 states and 4394 transitions. Word has length 45 [2022-03-15 20:14:52,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:14:52,620 INFO L470 AbstractCegarLoop]: Abstraction has 2151 states and 4394 transitions. [2022-03-15 20:14:52,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 17 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:14:52,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 4394 transitions. [2022-03-15 20:14:52,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:14:52,622 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:14:52,622 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:14:52,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-03-15 20:14:52,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:14:52,835 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:14:52,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:14:52,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1629902533, now seen corresponding path program 8 times [2022-03-15 20:14:52,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:14:52,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865902040] [2022-03-15 20:14:52,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:14:52,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:14:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:14:53,118 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:14:53,118 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:14:53,118 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865902040] [2022-03-15 20:14:53,118 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865902040] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:14:53,118 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14122264] [2022-03-15 20:14:53,118 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:14:53,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:14:53,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:14:53,119 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:14:53,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-03-15 20:14:53,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:14:53,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:14:53,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 59 conjunts are in the unsatisfiable core [2022-03-15 20:14:53,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:14:53,411 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-15 20:14:53,451 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:14:53,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,487 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:14:53,541 INFO L353 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-03-15 20:14:53,541 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-03-15 20:14:53,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,596 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-03-15 20:14:53,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,621 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:14:53,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,643 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:14:53,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,662 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:14:53,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,789 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 68 [2022-03-15 20:14:53,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:53,863 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 99 [2022-03-15 20:14:55,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:55,593 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 95 [2022-03-15 20:14:56,316 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-15 20:14:56,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:14:58,080 INFO L353 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-03-15 20:14:58,081 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15725 treesize of output 15717 [2022-03-15 20:14:58,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:58,561 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 85 [2022-03-15 20:14:58,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:58,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:58,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:58,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:14:58,762 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2022-03-15 20:14:58,988 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-03-15 20:14:58,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:14:59,013 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-15 20:14:59,014 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14122264] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 20:14:59,014 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 20:14:59,014 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [11, 11] total 31 [2022-03-15 20:14:59,014 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [407085599] [2022-03-15 20:14:59,014 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:14:59,019 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:14:59,042 INFO L252 McrAutomatonBuilder]: Finished intersection with 72 states and 97 transitions. [2022-03-15 20:14:59,042 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:14:59,911 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [182982#(and (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |~#cache~0.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1))) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))) (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2) |~#cache~0.offset|)) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))) (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |~#cache~0.offset| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))))] [2022-03-15 20:14:59,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-15 20:14:59,911 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:14:59,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-15 20:14:59,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=892, Unknown=1, NotChecked=0, Total=1056 [2022-03-15 20:14:59,912 INFO L87 Difference]: Start difference. First operand 2151 states and 4394 transitions. Second operand has 14 states, 13 states have (on average 3.0) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:15:01,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:15:01,231 INFO L93 Difference]: Finished difference Result 3439 states and 7046 transitions. [2022-03-15 20:15:01,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-15 20:15:01,231 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.0) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-03-15 20:15:01,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:15:01,235 INFO L225 Difference]: With dead ends: 3439 [2022-03-15 20:15:01,235 INFO L226 Difference]: Without dead ends: 3439 [2022-03-15 20:15:01,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 93 SyntacticMatches, 6 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=228, Invalid=1411, Unknown=1, NotChecked=0, Total=1640 [2022-03-15 20:15:01,237 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 116 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 609 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 20:15:01,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 74 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 495 Invalid, 0 Unknown, 609 Unchecked, 0.3s Time] [2022-03-15 20:15:01,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3439 states. [2022-03-15 20:15:01,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3439 to 2180. [2022-03-15 20:15:01,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2180 states, 2167 states have (on average 2.055376095985233) internal successors, (4454), 2179 states have internal predecessors, (4454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:15:01,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 4454 transitions. [2022-03-15 20:15:01,259 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 4454 transitions. Word has length 45 [2022-03-15 20:15:01,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:15:01,259 INFO L470 AbstractCegarLoop]: Abstraction has 2180 states and 4454 transitions. [2022-03-15 20:15:01,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.0) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:15:01,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 4454 transitions. [2022-03-15 20:15:01,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:15:01,262 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:15:01,262 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:15:01,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2022-03-15 20:15:01,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-03-15 20:15:01,483 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:15:01,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:15:01,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1629855103, now seen corresponding path program 9 times [2022-03-15 20:15:01,485 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:15:01,485 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902325920] [2022-03-15 20:15:01,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:15:01,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:15:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:15:01,823 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:15:01,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:15:01,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902325920] [2022-03-15 20:15:01,823 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902325920] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:15:01,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873993097] [2022-03-15 20:15:01,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 20:15:01,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:15:01,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:15:01,824 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:15:01,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-03-15 20:15:02,042 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-15 20:15:02,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:15:02,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 59 conjunts are in the unsatisfiable core [2022-03-15 20:15:02,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:15:02,142 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-15 20:15:02,184 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:15:02,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,230 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:15:02,277 INFO L353 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-03-15 20:15:02,277 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-03-15 20:15:02,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,330 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-03-15 20:15:02,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,349 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:15:02,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,365 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:15:02,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,386 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:15:02,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,514 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 68 [2022-03-15 20:15:02,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,590 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 80 [2022-03-15 20:15:02,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:15:02,673 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 29 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 111 [2022-03-15 20:15:04,226 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-15 20:15:04,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:15:07,213 INFO L353 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-03-15 20:15:07,214 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1566262 treesize of output 1566254 [2022-03-15 20:16:22,107 WARN L228 SmtUtils]: Spent 1.25m on a formula simplification. DAG size of input: 652 DAG size of output: 621 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-15 20:16:22,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:22,119 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 85 [2022-03-15 20:16:22,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:16:22,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:16:22,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:16:22,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:16:22,890 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2022-03-15 20:16:28,344 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-03-15 20:16:28,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-15 20:16:28,371 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873993097] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 20:16:28,371 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 20:16:28,371 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [11, 11] total 32 [2022-03-15 20:16:28,371 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [997974309] [2022-03-15 20:16:28,371 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:16:28,376 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:16:28,399 INFO L252 McrAutomatonBuilder]: Finished intersection with 73 states and 99 transitions. [2022-03-15 20:16:28,399 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:16:29,847 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [191101#(and (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |~#cache~0.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1))) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))) (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2) |~#cache~0.offset|)) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))) (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |~#cache~0.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 3))) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))) (or (not (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |~#cache~0.offset| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= (select (select |#pthreadsMutex| |~#cache~0.base|) (+ |~#cache~0.offset| 4)) 0))))] [2022-03-15 20:16:29,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-15 20:16:29,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:16:29,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-15 20:16:29,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=931, Unknown=1, NotChecked=0, Total=1122 [2022-03-15 20:16:29,848 INFO L87 Difference]: Start difference. First operand 2180 states and 4454 transitions. Second operand has 14 states, 13 states have (on average 3.0) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:16:31,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:16:31,713 INFO L93 Difference]: Finished difference Result 3451 states and 7070 transitions. [2022-03-15 20:16:31,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-15 20:16:31,714 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.0) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-03-15 20:16:31,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:16:31,717 INFO L225 Difference]: With dead ends: 3451 [2022-03-15 20:16:31,717 INFO L226 Difference]: Without dead ends: 3451 [2022-03-15 20:16:31,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 93 SyntacticMatches, 5 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=254, Invalid=1467, Unknown=1, NotChecked=0, Total=1722 [2022-03-15 20:16:31,718 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 100 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 313 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:16:31,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 66 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 349 Invalid, 0 Unknown, 313 Unchecked, 0.2s Time] [2022-03-15 20:16:31,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3451 states. [2022-03-15 20:16:31,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3451 to 2196. [2022-03-15 20:16:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2196 states, 2183 states have (on average 2.05497022446175) internal successors, (4486), 2195 states have internal predecessors, (4486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:16:31,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 2196 states and 4486 transitions. [2022-03-15 20:16:31,754 INFO L78 Accepts]: Start accepts. Automaton has 2196 states and 4486 transitions. Word has length 45 [2022-03-15 20:16:31,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:16:31,754 INFO L470 AbstractCegarLoop]: Abstraction has 2196 states and 4486 transitions. [2022-03-15 20:16:31,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.0) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:16:31,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 4486 transitions. [2022-03-15 20:16:31,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:16:31,756 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:16:31,756 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:16:31,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-03-15 20:16:31,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:16:31,973 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:16:31,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:16:31,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1751449813, now seen corresponding path program 10 times [2022-03-15 20:16:31,975 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:16:31,975 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344092119] [2022-03-15 20:16:31,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:16:31,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:16:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:16:32,309 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:16:32,309 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:16:32,309 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344092119] [2022-03-15 20:16:32,309 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344092119] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:16:32,310 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011645935] [2022-03-15 20:16:32,310 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-15 20:16:32,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:16:32,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:16:32,312 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:16:32,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-03-15 20:16:32,640 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-15 20:16:32,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:16:32,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 62 conjunts are in the unsatisfiable core [2022-03-15 20:16:32,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:16:32,864 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:16:32,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:32,898 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:16:32,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:32,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:32,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:32,980 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-03-15 20:16:33,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,002 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:16:33,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,020 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:16:33,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,036 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:16:33,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,066 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:16:33,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,122 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-03-15 20:16:33,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:33,157 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:16:33,186 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:16:33,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:16:37,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:16:37,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:16:37,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:16:37,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 20:16:37,491 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:16:37,492 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011645935] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:16:37,492 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:16:37,492 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 13] total 32 [2022-03-15 20:16:37,492 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [476886289] [2022-03-15 20:16:37,492 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:16:37,497 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:16:37,517 INFO L252 McrAutomatonBuilder]: Finished intersection with 72 states and 97 transitions. [2022-03-15 20:16:37,517 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:16:38,022 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 7 new interpolants: [199265#(and (not (= |ULTIMATE.start_cache_entry_addref_~entry#1.offset| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= (+ |ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2))) (not (= |ULTIMATE.start_cache_entry_addref_~entry#1.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1))) (not (= |ULTIMATE.start_cache_entry_addref_~entry#1.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2))) (= |ULTIMATE.start_cache_entry_addref_~entry#1.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (not (= (+ |ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))), 199269#(<= 1 |t_funThread1of1ForFork0_~i~0#1|), 199268#(and (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |~#cache~0.offset| 28) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)), 199266#(and (= (select (select |#race| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0) (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |~#cache~0.offset| 28) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) (= (select (select |#race| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1)) 0)), 199264#(and (not (= |ULTIMATE.start_cache_entry_addref_~entry#1.offset| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= (+ |ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2))) (not (= |ULTIMATE.start_cache_entry_addref_~entry#1.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 1))) (not (= |ULTIMATE.start_cache_entry_addref_~entry#1.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 2))) (= (select (select |#race| |ULTIMATE.start_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0) (= |ULTIMATE.start_cache_entry_addref_~entry#1.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (not (= (+ |ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))), 199270#(= |ULTIMATE.start_main_~i~2#1| 0), 199267#(and (= (select (select |#race| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0) (= |~#cache~0.base| |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (<= (+ |~#cache~0.offset| 28) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))] [2022-03-15 20:16:38,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 20:16:38,022 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:16:38,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 20:16:38,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=1362, Unknown=0, NotChecked=0, Total=1560 [2022-03-15 20:16:38,023 INFO L87 Difference]: Start difference. First operand 2196 states and 4486 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:16:40,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:16:40,067 INFO L93 Difference]: Finished difference Result 3186 states and 6340 transitions. [2022-03-15 20:16:40,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 20:16:40,067 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 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 45 [2022-03-15 20:16:40,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:16:40,071 INFO L225 Difference]: With dead ends: 3186 [2022-03-15 20:16:40,071 INFO L226 Difference]: Without dead ends: 3186 [2022-03-15 20:16:40,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 86 SyntacticMatches, 5 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=607, Invalid=3175, Unknown=0, NotChecked=0, Total=3782 [2022-03-15 20:16:40,073 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 591 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 2478 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 2693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 2478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 20:16:40,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [591 Valid, 368 Invalid, 2693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 2478 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 20:16:40,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2022-03-15 20:16:40,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 2191. [2022-03-15 20:16:40,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2191 states, 2178 states have (on average 2.0550964187327825) internal successors, (4476), 2190 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:16:40,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 4476 transitions. [2022-03-15 20:16:40,106 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 4476 transitions. Word has length 45 [2022-03-15 20:16:40,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:16:40,106 INFO L470 AbstractCegarLoop]: Abstraction has 2191 states and 4476 transitions. [2022-03-15 20:16:40,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:16:40,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 4476 transitions. [2022-03-15 20:16:40,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-15 20:16:40,107 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:16:40,107 INFO L514 BasicCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:16:40,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-03-15 20:16:40,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:16:40,308 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 20:16:40,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:16:40,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1751402383, now seen corresponding path program 11 times [2022-03-15 20:16:40,309 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:16:40,309 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149423543] [2022-03-15 20:16:40,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:16:40,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:16:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:16:40,622 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:16:40,622 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:16:40,622 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149423543] [2022-03-15 20:16:40,622 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149423543] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:16:40,622 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991148471] [2022-03-15 20:16:40,622 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-15 20:16:40,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:16:40,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:16:40,623 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:16:40,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-03-15 20:16:40,998 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-03-15 20:16:40,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:16:41,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 56 conjunts are in the unsatisfiable core [2022-03-15 20:16:41,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:16:41,225 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:16:41,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,262 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:16:41,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,344 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-03-15 20:16:41,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,363 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:16:41,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,376 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:16:41,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,395 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:16:41,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,452 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:16:41,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,520 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-03-15 20:16:41,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:16:41,577 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 64 [2022-03-15 20:16:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:16:41,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:16:44,492 INFO L353 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-03-15 20:16:44,494 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 13758836 treesize of output 13758841 Received shutdown request... [2022-03-15 20:27:51,229 WARN L244 SmtUtils]: Removed 1 from assertion stack [2022-03-15 20:27:51,230 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-03-15 20:27:51,239 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-15 20:27:51,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-03-15 20:27:51,262 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-15 20:27:51,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-03-15 20:27:51,446 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 46 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-3-2-2-2-3-2-3-3-3-2-1 context. [2022-03-15 20:27:51,447 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-03-15 20:27:51,447 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2022-03-15 20:27:51,447 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-03-15 20:27:51,447 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2022-03-15 20:27:51,447 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 9 remaining) [2022-03-15 20:27:51,447 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-03-15 20:27:51,447 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-03-15 20:27:51,447 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-03-15 20:27:51,449 INFO L732 BasicCegarLoop]: Path program histogram: [11, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-03-15 20:27:51,451 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 20:27:51,451 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 20:27:51,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 08:27:51 BasicIcfg [2022-03-15 20:27:51,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 20:27:51,453 INFO L158 Benchmark]: Toolchain (without parser) took 872058.32ms. Allocated memory was 190.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 134.0MB in the beginning and 432.9MB in the end (delta: -299.0MB). Peak memory consumption was 741.0MB. Max. memory is 8.0GB. [2022-03-15 20:27:51,453 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 152.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:27:51,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.15ms. Allocated memory was 190.8MB in the beginning and 240.1MB in the end (delta: 49.3MB). Free memory was 133.8MB in the beginning and 194.1MB in the end (delta: -60.3MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2022-03-15 20:27:51,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.24ms. Allocated memory is still 240.1MB. Free memory was 194.1MB in the beginning and 190.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 20:27:51,453 INFO L158 Benchmark]: Boogie Preprocessor took 23.71ms. Allocated memory is still 240.1MB. Free memory was 190.9MB in the beginning and 188.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 20:27:51,453 INFO L158 Benchmark]: RCFGBuilder took 431.50ms. Allocated memory is still 240.1MB. Free memory was 188.8MB in the beginning and 173.1MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-03-15 20:27:51,453 INFO L158 Benchmark]: TraceAbstraction took 871045.01ms. Allocated memory was 240.1MB in the beginning and 1.2GB in the end (delta: 960.5MB). Free memory was 172.6MB in the beginning and 432.9MB in the end (delta: -260.4MB). Peak memory consumption was 730.6MB. Max. memory is 8.0GB. [2022-03-15 20:27:51,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 152.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 489.15ms. Allocated memory was 190.8MB in the beginning and 240.1MB in the end (delta: 49.3MB). Free memory was 133.8MB in the beginning and 194.1MB in the end (delta: -60.3MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.24ms. Allocated memory is still 240.1MB. Free memory was 194.1MB in the beginning and 190.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.71ms. Allocated memory is still 240.1MB. Free memory was 190.9MB in the beginning and 188.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 431.50ms. Allocated memory is still 240.1MB. Free memory was 188.8MB in the beginning and 173.1MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 871045.01ms. Allocated memory was 240.1MB in the beginning and 1.2GB in the end (delta: 960.5MB). Free memory was 172.6MB in the beginning and 432.9MB in the end (delta: -260.4MB). Peak memory consumption was 730.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.3s, 126 PlacesBefore, 57 PlacesAfterwards, 128 TransitionsBefore, 56 TransitionsAfterwards, 4864 CoEnabledTransitionPairs, 5 FixpointIterations, 19 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 4 ConcurrentYvCompositions, 3 ChoiceCompositions, 75 TotalNumberOfCompositions, 16173 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5117, positive: 4611, positive conditional: 0, positive unconditional: 4611, negative: 506, negative conditional: 0, negative unconditional: 506, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2270, positive: 2204, positive conditional: 0, positive unconditional: 2204, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5117, positive: 2407, positive conditional: 0, positive unconditional: 2407, negative: 440, negative conditional: 0, negative unconditional: 440, unknown: 2270, unknown conditional: 0, unknown unconditional: 2270] , Statistics on independence cache: Total cache size (in pairs): 280, Positive cache size: 235, Positive conditional cache size: 0, Positive unconditional cache size: 235, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45 - 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 - TimeoutResultAtElement [Line: 923]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was analyzing trace of length 46 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-3-2-2-2-3-2-3-3-3-2-1 context. - TimeoutResultAtElement [Line: 939]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was analyzing trace of length 46 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-3-2-2-2-3-2-3-3-3-2-1 context. - TimeoutResultAtElement [Line: 923]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was analyzing trace of length 46 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-3-2-2-2-3-2-3-3-3-2-1 context. - TimeoutResultAtElement [Line: 939]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was analyzing trace of length 46 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-3-2-2-2-3-2-3-3-3-2-1 context. - TimeoutResultAtElement [Line: 923]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was analyzing trace of length 46 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-3-2-2-2-3-2-3-3-3-2-1 context. - TimeoutResultAtElement [Line: 936]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 46 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-3-2-2-2-3-2-3-3-3-2-1 context. - TimeoutResultAtElement [Line: 923]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was analyzing trace of length 46 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-2-2-3-2-2-2-3-2-3-3-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 161 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 870.9s, OverallIterations: 36, TraceHistogramMax: 10, PathProgramHistogramMax: 11, EmptinessCheckTime: 0.0s, AutomataDifference: 24.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6214 SdHoareTripleChecker+Valid, 13.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6214 mSDsluCounter, 5146 SdHoareTripleChecker+Invalid, 11.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2696 IncrementalHoareTripleChecker+Unchecked, 7315 mSDsCounter, 1468 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26208 IncrementalHoareTripleChecker+Invalid, 30372 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1468 mSolverCounterUnsat, 1405 mSDtfsCounter, 26208 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3049 GetRequests, 2099 SyntacticMatches, 56 SemanticMatches, 894 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 10732 ImplicationChecksByTransitivity, 45.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2196occurred in iteration=34, InterpolantAutomatonStates: 475, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 35 MinimizatonAttempts, 23766 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 151.3s InterpolantComputationTime, 2328 NumberOfCodeBlocks, 2077 NumberOfCodeBlocksAsserted, 75 NumberOfCheckSat, 3187 ConstructedInterpolants, 105 QuantifiedInterpolants, 52284 SizeOfPredicates, 223 NumberOfNonLiveVariables, 6093 ConjunctsInSsa, 974 ConjunctsInUnsatCore, 92 InterpolantComputations, 17 PerfectInterpolantSequences, 2918/3859 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: Timeout Completed graceful shutdown