/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_03-funloop_simple.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 15:08:17,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 15:08:17,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 15:08:17,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 15:08:17,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 15:08:17,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 15:08:17,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 15:08:17,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 15:08:17,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 15:08:17,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 15:08:17,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 15:08:17,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 15:08:17,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 15:08:17,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 15:08:17,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 15:08:17,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 15:08:17,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-15 15:08:17,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 15:08:17,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 15:08:17,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 15:08:17,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-15 15:08:17,973 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 15:08:17,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 15:08:17,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 15:08:17,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 15:08:17,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 15:08:17,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 15:08:17,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 15:08:17,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 15:08:17,975 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 15:08:17,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 15:08:17,976 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 15:08:17,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 15:08:17,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 15:08:17,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 15:08:17,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 15:08:17,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 15:08:17,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 15:08:17,977 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 15:08:17,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 15:08:17,978 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 15:08:17,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 15:08:17,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 15:08:17,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 15:08:17,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 15:08:17,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 15:08:17,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:08:17,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 15:08:17,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 15:08:17,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 15:08:17,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 15:08:17,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 15:08:17,979 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 15:08:17,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 15:08:17,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 15:08:18,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 15:08:18,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 15:08:18,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 15:08:18,229 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 15:08:18,230 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 15:08:18,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_03-funloop_simple.i [2022-03-15 15:08:18,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311d13094/d2b7ee0ab7404d1894d00ffa59c08b76/FLAG8b52f23bb [2022-03-15 15:08:18,715 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 15:08:18,715 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_03-funloop_simple.i [2022-03-15 15:08:18,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311d13094/d2b7ee0ab7404d1894d00ffa59c08b76/FLAG8b52f23bb [2022-03-15 15:08:19,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311d13094/d2b7ee0ab7404d1894d00ffa59c08b76 [2022-03-15 15:08:19,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 15:08:19,053 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 15:08:19,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 15:08:19,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 15:08:19,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 15:08:19,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:08:19" (1/1) ... [2022-03-15 15:08:19,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf09a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:19, skipping insertion in model container [2022-03-15 15:08:19,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:08:19" (1/1) ... [2022-03-15 15:08:19,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 15:08:19,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 15:08:19,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:08:19,466 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 15:08:19,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:08:19,576 INFO L208 MainTranslator]: Completed translation [2022-03-15 15:08:19,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:19 WrapperNode [2022-03-15 15:08:19,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 15:08:19,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 15:08:19,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 15:08:19,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 15:08:19,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:19" (1/1) ... [2022-03-15 15:08:19,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:19" (1/1) ... [2022-03-15 15:08:19,650 INFO L137 Inliner]: procedures = 262, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2022-03-15 15:08:19,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 15:08:19,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 15:08:19,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 15:08:19,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 15:08:19,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:19" (1/1) ... [2022-03-15 15:08:19,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:19" (1/1) ... [2022-03-15 15:08:19,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:19" (1/1) ... [2022-03-15 15:08:19,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:19" (1/1) ... [2022-03-15 15:08:19,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:19" (1/1) ... [2022-03-15 15:08:19,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:19" (1/1) ... [2022-03-15 15:08:19,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:19" (1/1) ... [2022-03-15 15:08:19,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 15:08:19,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 15:08:19,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 15:08:19,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 15:08:19,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:19" (1/1) ... [2022-03-15 15:08:19,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:08:19,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:19,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 15:08:19,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 15:08:19,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 15:08:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 15:08:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 15:08:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 15:08:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 15:08:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 15:08:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 15:08:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 15:08:19,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 15:08:19,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 15:08:19,777 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 15:08:19,936 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 15:08:19,937 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 15:08:20,115 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 15:08:20,122 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 15:08:20,122 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-15 15:08:20,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:08:20 BoogieIcfgContainer [2022-03-15 15:08:20,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 15:08:20,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 15:08:20,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 15:08:20,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 15:08:20,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 03:08:19" (1/3) ... [2022-03-15 15:08:20,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0699c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:08:20, skipping insertion in model container [2022-03-15 15:08:20,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:19" (2/3) ... [2022-03-15 15:08:20,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0699c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:08:20, skipping insertion in model container [2022-03-15 15:08:20,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:08:20" (3/3) ... [2022-03-15 15:08:20,132 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_03-funloop_simple.i [2022-03-15 15:08:20,136 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 15:08:20,136 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 15:08:20,136 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-03-15 15:08:20,136 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 15:08:20,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,185 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,188 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,189 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,190 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,191 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,192 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,209 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,210 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,211 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,216 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,217 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:20,217 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 15:08:20,219 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 15:08:20,267 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 15:08:20,272 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 15:08:20,273 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-03-15 15:08:20,288 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 123 places, 125 transitions, 255 flow [2022-03-15 15:08:20,393 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2213 states, 2199 states have (on average 2.0427467030468396) internal successors, (4492), 2212 states have internal predecessors, (4492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:20,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 2213 states, 2199 states have (on average 2.0427467030468396) internal successors, (4492), 2212 states have internal predecessors, (4492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:20,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-03-15 15:08:20,409 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:20,410 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:20,410 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:20,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:20,414 INFO L85 PathProgramCache]: Analyzing trace with hash 397060765, now seen corresponding path program 1 times [2022-03-15 15:08:20,421 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:20,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048713956] [2022-03-15 15:08:20,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:20,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:20,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:20,599 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:20,599 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048713956] [2022-03-15 15:08:20,600 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048713956] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:20,600 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:20,600 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:08:20,601 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649365925] [2022-03-15 15:08:20,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:20,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-15 15:08:20,605 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:20,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-15 15:08:20,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 15:08:20,658 INFO L87 Difference]: Start difference. First operand has 2213 states, 2199 states have (on average 2.0427467030468396) internal successors, (4492), 2212 states have internal predecessors, (4492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:20,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:20,744 INFO L93 Difference]: Finished difference Result 2213 states and 4404 transitions. [2022-03-15 15:08:20,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-15 15:08:20,747 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-03-15 15:08:20,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:20,771 INFO L225 Difference]: With dead ends: 2213 [2022-03-15 15:08:20,771 INFO L226 Difference]: Without dead ends: 2213 [2022-03-15 15:08:20,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 15:08:20,775 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:20,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:20,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2022-03-15 15:08:20,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2022-03-15 15:08:20,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 2199 states have (on average 2.0027285129604366) internal successors, (4404), 2212 states have internal predecessors, (4404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 4404 transitions. [2022-03-15 15:08:20,893 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 4404 transitions. Word has length 29 [2022-03-15 15:08:20,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:20,894 INFO L470 AbstractCegarLoop]: Abstraction has 2213 states and 4404 transitions. [2022-03-15 15:08:20,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:20,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 4404 transitions. [2022-03-15 15:08:20,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-03-15 15:08:20,896 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:20,896 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:20,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 15:08:20,896 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:20,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:20,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1657093153, now seen corresponding path program 1 times [2022-03-15 15:08:20,897 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:20,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397799491] [2022-03-15 15:08:20,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:20,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:20,953 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:20,954 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397799491] [2022-03-15 15:08:20,954 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397799491] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:20,954 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:20,954 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 15:08:20,954 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860697696] [2022-03-15 15:08:20,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:20,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:08:20,956 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:20,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:08:20,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:08:20,956 INFO L87 Difference]: Start difference. First operand 2213 states and 4404 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:20,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:20,993 INFO L93 Difference]: Finished difference Result 2217 states and 4408 transitions. [2022-03-15 15:08:20,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:08:20,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-03-15 15:08:20,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:21,002 INFO L225 Difference]: With dead ends: 2217 [2022-03-15 15:08:21,003 INFO L226 Difference]: Without dead ends: 2217 [2022-03-15 15:08:21,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:08:21,004 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 3 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:21,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 230 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:21,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2022-03-15 15:08:21,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2214. [2022-03-15 15:08:21,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2214 states, 2200 states have (on average 2.0022727272727274) internal successors, (4405), 2213 states have internal predecessors, (4405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:21,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 4405 transitions. [2022-03-15 15:08:21,057 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 4405 transitions. Word has length 29 [2022-03-15 15:08:21,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:21,058 INFO L470 AbstractCegarLoop]: Abstraction has 2214 states and 4405 transitions. [2022-03-15 15:08:21,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:21,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 4405 transitions. [2022-03-15 15:08:21,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-03-15 15:08:21,062 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:21,062 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:21,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 15:08:21,062 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:21,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:21,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1891473138, now seen corresponding path program 1 times [2022-03-15 15:08:21,063 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:21,064 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496492911] [2022-03-15 15:08:21,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:21,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:21,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:21,162 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:21,162 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496492911] [2022-03-15 15:08:21,162 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496492911] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:21,162 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103838072] [2022-03-15 15:08:21,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:21,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:21,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:21,164 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:08:21,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 15:08:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:21,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2022-03-15 15:08:21,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:21,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 15:08:21,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:21,384 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103838072] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:21,384 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:21,384 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-15 15:08:21,384 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198372360] [2022-03-15 15:08:21,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:21,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:08:21,385 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:21,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:08:21,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:21,386 INFO L87 Difference]: Start difference. First operand 2214 states and 4405 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:21,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:21,448 INFO L93 Difference]: Finished difference Result 3324 states and 6625 transitions. [2022-03-15 15:08:21,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:08:21,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-03-15 15:08:21,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:21,462 INFO L225 Difference]: With dead ends: 3324 [2022-03-15 15:08:21,462 INFO L226 Difference]: Without dead ends: 3324 [2022-03-15 15:08:21,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:21,465 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 66 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:21,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 266 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:21,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2022-03-15 15:08:21,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 2251. [2022-03-15 15:08:21,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2237 states have (on average 2.002235136343317) internal successors, (4479), 2250 states have internal predecessors, (4479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:21,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 4479 transitions. [2022-03-15 15:08:21,551 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 4479 transitions. Word has length 34 [2022-03-15 15:08:21,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:21,552 INFO L470 AbstractCegarLoop]: Abstraction has 2251 states and 4479 transitions. [2022-03-15 15:08:21,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 4479 transitions. [2022-03-15 15:08:21,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-03-15 15:08:21,556 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:21,556 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:21,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-15 15:08:21,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:21,780 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:21,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:21,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1317859348, now seen corresponding path program 1 times [2022-03-15 15:08:21,781 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:21,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000501655] [2022-03-15 15:08:21,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:21,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:21,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:21,864 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:21,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000501655] [2022-03-15 15:08:21,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000501655] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:21,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212925224] [2022-03-15 15:08:21,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:21,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:21,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:21,872 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:08:21,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 15:08:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:21,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-15 15:08:21,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:22,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:22,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 15:08:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:22,188 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212925224] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 15:08:22,188 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 15:08:22,188 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-15 15:08:22,188 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117763961] [2022-03-15 15:08:22,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 15:08:22,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:22,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:22,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:22,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:08:22,198 INFO L87 Difference]: Start difference. First operand 2251 states and 4479 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:22,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:22,281 INFO L93 Difference]: Finished difference Result 2261 states and 4489 transitions. [2022-03-15 15:08:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 15:08:22,281 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-03-15 15:08:22,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:22,290 INFO L225 Difference]: With dead ends: 2261 [2022-03-15 15:08:22,290 INFO L226 Difference]: Without dead ends: 2261 [2022-03-15 15:08:22,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-15 15:08:22,294 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 11 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:22,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 799 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:22,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2261 states. [2022-03-15 15:08:22,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2261 to 2261. [2022-03-15 15:08:22,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2261 states, 2247 states have (on average 1.997774810858923) internal successors, (4489), 2260 states have internal predecessors, (4489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 4489 transitions. [2022-03-15 15:08:22,351 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 4489 transitions. Word has length 40 [2022-03-15 15:08:22,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:22,352 INFO L470 AbstractCegarLoop]: Abstraction has 2261 states and 4489 transitions. [2022-03-15 15:08:22,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:22,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 4489 transitions. [2022-03-15 15:08:22,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 15:08:22,353 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:22,353 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:22,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 15:08:22,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-03-15 15:08:22,580 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 15:08:22,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:22,580 INFO L85 PathProgramCache]: Analyzing trace with hash -626594124, now seen corresponding path program 2 times [2022-03-15 15:08:22,580 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:22,580 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364776132] [2022-03-15 15:08:22,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:22,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:22,709 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:22,709 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:22,709 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364776132] [2022-03-15 15:08:22,709 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364776132] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:22,709 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283157720] [2022-03-15 15:08:22,710 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 15:08:22,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:22,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:22,711 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:08:22,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 15:08:22,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 15:08:22,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:08:22,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-15 15:08:22,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:22,876 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 15:08:22,907 INFO L353 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-03-15 15:08:22,908 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 15:08:22,959 INFO L353 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-03-15 15:08:22,959 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 15:08:23,020 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-03-15 15:08:23,021 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 15:08:23,046 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-15 15:08:23,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:23,046 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283157720] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:23,047 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:23,047 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-03-15 15:08:23,047 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332065653] [2022-03-15 15:08:23,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:23,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:08:23,047 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:23,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:08:23,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:08:23,048 INFO L87 Difference]: Start difference. First operand 2261 states and 4489 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 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 15:08:23,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:23,262 INFO L93 Difference]: Finished difference Result 2530 states and 5027 transitions. [2022-03-15 15:08:23,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:08:23,262 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 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 50 [2022-03-15 15:08:23,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:23,271 INFO L225 Difference]: With dead ends: 2530 [2022-03-15 15:08:23,271 INFO L226 Difference]: Without dead ends: 2530 [2022-03-15 15:08:23,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:08:23,272 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 124 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:23,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 470 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:08:23,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2022-03-15 15:08:23,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2394. [2022-03-15 15:08:23,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2394 states, 2380 states have (on average 1.9978991596638656) internal successors, (4755), 2393 states have internal predecessors, (4755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:23,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2394 states and 4755 transitions. [2022-03-15 15:08:23,323 INFO L78 Accepts]: Start accepts. Automaton has 2394 states and 4755 transitions. Word has length 50 [2022-03-15 15:08:23,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:23,325 INFO L470 AbstractCegarLoop]: Abstraction has 2394 states and 4755 transitions. [2022-03-15 15:08:23,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 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 15:08:23,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 4755 transitions. [2022-03-15 15:08:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 15:08:23,326 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:23,326 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:23,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-15 15:08:23,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:23,541 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:23,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:23,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1030322137, now seen corresponding path program 1 times [2022-03-15 15:08:23,541 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:23,541 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712210338] [2022-03-15 15:08:23,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:23,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:23,618 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:23,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712210338] [2022-03-15 15:08:23,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712210338] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:23,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433025309] [2022-03-15 15:08:23,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:23,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:23,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:23,620 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:08:23,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 15:08:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:23,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-15 15:08:23,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:23,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 15:08:23,952 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:23,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433025309] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 15:08:23,953 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 15:08:23,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-03-15 15:08:23,953 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731741032] [2022-03-15 15:08:23,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 15:08:23,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-15 15:08:23,954 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:23,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-15 15:08:23,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-03-15 15:08:23,955 INFO L87 Difference]: Start difference. First operand 2394 states and 4755 transitions. Second operand has 18 states, 18 states have (on average 4.0) internal successors, (72), 18 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:24,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:24,126 INFO L93 Difference]: Finished difference Result 2414 states and 4775 transitions. [2022-03-15 15:08:24,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-15 15:08:24,127 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.0) internal successors, (72), 18 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-03-15 15:08:24,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:24,136 INFO L225 Difference]: With dead ends: 2414 [2022-03-15 15:08:24,136 INFO L226 Difference]: Without dead ends: 2414 [2022-03-15 15:08:24,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:08:24,137 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 44 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:24,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 578 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:24,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2022-03-15 15:08:24,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2414. [2022-03-15 15:08:24,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2400 states have (on average 1.9895833333333333) internal successors, (4775), 2413 states have internal predecessors, (4775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:24,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 4775 transitions. [2022-03-15 15:08:24,183 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 4775 transitions. Word has length 50 [2022-03-15 15:08:24,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:24,183 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 4775 transitions. [2022-03-15 15:08:24,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.0) internal successors, (72), 18 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:24,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 4775 transitions. [2022-03-15 15:08:24,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-03-15 15:08:24,184 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:24,185 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:24,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-15 15:08:24,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:24,403 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:24,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:24,404 INFO L85 PathProgramCache]: Analyzing trace with hash -461165209, now seen corresponding path program 2 times [2022-03-15 15:08:24,404 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:24,404 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519879094] [2022-03-15 15:08:24,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:24,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:24,587 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:24,588 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:24,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519879094] [2022-03-15 15:08:24,588 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519879094] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:24,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962066008] [2022-03-15 15:08:24,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 15:08:24,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:24,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:24,592 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:08:24,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-15 15:08:24,670 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 15:08:24,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:08:24,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 25 conjunts are in the unsatisfiable core [2022-03-15 15:08:24,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:24,834 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 15:08:24,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:08:24,866 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 15:08:24,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:08:24,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:08:24,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:08:24,902 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 15:08:24,902 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 15:08:24,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:08:24,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:08:24,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:08:24,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:08:24,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:08:24,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:08:24,951 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 15:08:24,951 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 15:08:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-03-15 15:08:24,979 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:24,979 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962066008] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:24,979 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:24,979 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 25 [2022-03-15 15:08:24,979 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487842242] [2022-03-15 15:08:24,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:24,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:24,980 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:24,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:24,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:08:24,981 INFO L87 Difference]: Start difference. First operand 2414 states and 4775 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 15:08:25,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:25,596 INFO L93 Difference]: Finished difference Result 5208 states and 10363 transitions. [2022-03-15 15:08:25,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 15:08:25,597 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 70 [2022-03-15 15:08:25,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:25,626 INFO L225 Difference]: With dead ends: 5208 [2022-03-15 15:08:25,627 INFO L226 Difference]: Without dead ends: 5208 [2022-03-15 15:08:25,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=869, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 15:08:25,628 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 777 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:25,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [777 Valid, 1156 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 15:08:25,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5208 states. [2022-03-15 15:08:25,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5208 to 3194. [2022-03-15 15:08:25,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 3180 states have (on average 1.9921383647798743) internal successors, (6335), 3193 states have internal predecessors, (6335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 6335 transitions. [2022-03-15 15:08:25,736 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 6335 transitions. Word has length 70 [2022-03-15 15:08:25,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:25,736 INFO L470 AbstractCegarLoop]: Abstraction has 3194 states and 6335 transitions. [2022-03-15 15:08:25,737 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 15:08:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 6335 transitions. [2022-03-15 15:08:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-03-15 15:08:25,737 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:25,738 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:25,754 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 15:08:25,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:25,940 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:25,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:25,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1158747276, now seen corresponding path program 1 times [2022-03-15 15:08:25,940 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:25,940 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166544404] [2022-03-15 15:08:25,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:25,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:26,147 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:26,147 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:26,148 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166544404] [2022-03-15 15:08:26,148 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166544404] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:26,148 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178058793] [2022-03-15 15:08:26,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:26,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:26,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:26,149 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:08:26,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-15 15:08:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:26,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-15 15:08:26,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:26,382 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:26,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 15:08:26,571 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:26,571 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178058793] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 15:08:26,571 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 15:08:26,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-03-15 15:08:26,572 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986764922] [2022-03-15 15:08:26,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 15:08:26,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-15 15:08:26,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:26,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-15 15:08:26,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-03-15 15:08:26,573 INFO L87 Difference]: Start difference. First operand 3194 states and 6335 transitions. Second operand has 23 states, 23 states have (on average 4.130434782608695) internal successors, (95), 23 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:26,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:26,833 INFO L93 Difference]: Finished difference Result 3209 states and 6350 transitions. [2022-03-15 15:08:26,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:08:26,834 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.130434782608695) internal successors, (95), 23 states have internal predecessors, (95), 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 78 [2022-03-15 15:08:26,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:26,841 INFO L225 Difference]: With dead ends: 3209 [2022-03-15 15:08:26,841 INFO L226 Difference]: Without dead ends: 3209 [2022-03-15 15:08:26,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2022-03-15 15:08:26,842 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 45 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:26,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 690 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 15:08:26,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3209 states. [2022-03-15 15:08:26,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3209 to 3209. [2022-03-15 15:08:26,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3209 states, 3195 states have (on average 1.9874804381846636) internal successors, (6350), 3208 states have internal predecessors, (6350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 3209 states and 6350 transitions. [2022-03-15 15:08:26,924 INFO L78 Accepts]: Start accepts. Automaton has 3209 states and 6350 transitions. Word has length 78 [2022-03-15 15:08:26,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:26,924 INFO L470 AbstractCegarLoop]: Abstraction has 3209 states and 6350 transitions. [2022-03-15 15:08:26,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.130434782608695) internal successors, (95), 23 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:26,924 INFO L276 IsEmpty]: Start isEmpty. Operand 3209 states and 6350 transitions. [2022-03-15 15:08:26,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-03-15 15:08:26,925 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:26,925 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:26,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-15 15:08:27,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:27,140 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 15:08:27,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:27,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1991683229, now seen corresponding path program 2 times [2022-03-15 15:08:27,140 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:27,140 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695759193] [2022-03-15 15:08:27,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:27,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:27,253 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:27,253 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:27,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695759193] [2022-03-15 15:08:27,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695759193] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:27,253 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:27,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:08:27,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911483181] [2022-03-15 15:08:27,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:27,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:08:27,254 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:27,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:08:27,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:27,254 INFO L87 Difference]: Start difference. First operand 3209 states and 6350 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:27,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:27,415 INFO L93 Difference]: Finished difference Result 3447 states and 6826 transitions. [2022-03-15 15:08:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:08:27,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 93 [2022-03-15 15:08:27,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:27,421 INFO L225 Difference]: With dead ends: 3447 [2022-03-15 15:08:27,422 INFO L226 Difference]: Without dead ends: 3447 [2022-03-15 15:08:27,422 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 15:08:27,422 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 122 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:27,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 467 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 15:08:27,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2022-03-15 15:08:27,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 3333. [2022-03-15 15:08:27,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3333 states, 3319 states have (on average 1.9879481771617957) internal successors, (6598), 3332 states have internal predecessors, (6598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3333 states to 3333 states and 6598 transitions. [2022-03-15 15:08:27,482 INFO L78 Accepts]: Start accepts. Automaton has 3333 states and 6598 transitions. Word has length 93 [2022-03-15 15:08:27,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:27,482 INFO L470 AbstractCegarLoop]: Abstraction has 3333 states and 6598 transitions. [2022-03-15 15:08:27,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:27,483 INFO L276 IsEmpty]: Start isEmpty. Operand 3333 states and 6598 transitions. [2022-03-15 15:08:27,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-03-15 15:08:27,484 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:27,484 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:27,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 15:08:27,484 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:27,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:27,484 INFO L85 PathProgramCache]: Analyzing trace with hash 698436477, now seen corresponding path program 1 times [2022-03-15 15:08:27,485 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:27,485 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424501511] [2022-03-15 15:08:27,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:27,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:27,565 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:27,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424501511] [2022-03-15 15:08:27,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424501511] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:27,565 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:27,565 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:08:27,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831837651] [2022-03-15 15:08:27,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:27,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:08:27,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:27,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:08:27,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:27,567 INFO L87 Difference]: Start difference. First operand 3333 states and 6598 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:27,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:27,893 INFO L93 Difference]: Finished difference Result 3744 states and 7420 transitions. [2022-03-15 15:08:27,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:08:27,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 93 [2022-03-15 15:08:27,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:27,901 INFO L225 Difference]: With dead ends: 3744 [2022-03-15 15:08:27,901 INFO L226 Difference]: Without dead ends: 3744 [2022-03-15 15:08:27,901 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 15:08:27,902 INFO L933 BasicCegarLoop]: 259 mSDtfsCounter, 179 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:27,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 667 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 15:08:27,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2022-03-15 15:08:27,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3555. [2022-03-15 15:08:27,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3555 states, 3541 states have (on average 1.9887037560011296) internal successors, (7042), 3554 states have internal predecessors, (7042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:27,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3555 states and 7042 transitions. [2022-03-15 15:08:27,976 INFO L78 Accepts]: Start accepts. Automaton has 3555 states and 7042 transitions. Word has length 93 [2022-03-15 15:08:27,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:27,977 INFO L470 AbstractCegarLoop]: Abstraction has 3555 states and 7042 transitions. [2022-03-15 15:08:27,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 7042 transitions. [2022-03-15 15:08:27,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:27,979 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:27,979 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:27,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 15:08:27,979 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:27,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:27,980 INFO L85 PathProgramCache]: Analyzing trace with hash 2140772307, now seen corresponding path program 1 times [2022-03-15 15:08:27,980 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:27,980 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58029921] [2022-03-15 15:08:27,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:27,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:28,307 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:28,307 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58029921] [2022-03-15 15:08:28,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58029921] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:28,307 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:28,307 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 15:08:28,307 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781875147] [2022-03-15 15:08:28,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:28,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:28,308 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:28,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:28,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:08:28,309 INFO L87 Difference]: Start difference. First operand 3555 states and 7042 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:29,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:29,365 INFO L93 Difference]: Finished difference Result 10906 states and 21701 transitions. [2022-03-15 15:08:29,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-15 15:08:29,365 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:29,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:29,393 INFO L225 Difference]: With dead ends: 10906 [2022-03-15 15:08:29,393 INFO L226 Difference]: Without dead ends: 10906 [2022-03-15 15:08:29,394 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2022-03-15 15:08:29,394 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 1458 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:29,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1458 Valid, 1112 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:08:29,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10906 states. [2022-03-15 15:08:29,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10906 to 3614. [2022-03-15 15:08:29,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3614 states, 3600 states have (on average 1.9783333333333333) internal successors, (7122), 3613 states have internal predecessors, (7122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3614 states to 3614 states and 7122 transitions. [2022-03-15 15:08:29,510 INFO L78 Accepts]: Start accepts. Automaton has 3614 states and 7122 transitions. Word has length 105 [2022-03-15 15:08:29,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:29,511 INFO L470 AbstractCegarLoop]: Abstraction has 3614 states and 7122 transitions. [2022-03-15 15:08:29,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:29,511 INFO L276 IsEmpty]: Start isEmpty. Operand 3614 states and 7122 transitions. [2022-03-15 15:08:29,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:29,513 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:29,513 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:29,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-15 15:08:29,513 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:29,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:29,514 INFO L85 PathProgramCache]: Analyzing trace with hash 2141977043, now seen corresponding path program 2 times [2022-03-15 15:08:29,514 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:29,514 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500283630] [2022-03-15 15:08:29,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:29,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:08:29,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:29,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500283630] [2022-03-15 15:08:29,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500283630] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:29,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947571891] [2022-03-15 15:08:29,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 15:08:29,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:29,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:29,877 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 15:08:29,901 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 15:08:29,980 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 15:08:29,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:08:29,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:08:29,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:30,297 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 15:08:30,374 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:30,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:30,375 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947571891] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:30,375 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:30,375 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:08:30,375 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471525315] [2022-03-15 15:08:30,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:30,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:30,376 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:30,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:30,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:08:30,377 INFO L87 Difference]: Start difference. First operand 3614 states and 7122 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:31,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:31,081 INFO L93 Difference]: Finished difference Result 10114 states and 20103 transitions. [2022-03-15 15:08:31,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-15 15:08:31,081 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:31,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:31,103 INFO L225 Difference]: With dead ends: 10114 [2022-03-15 15:08:31,104 INFO L226 Difference]: Without dead ends: 10114 [2022-03-15 15:08:31,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=149, Invalid=663, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:08:31,105 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 931 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 1446 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:31,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [931 Valid, 1446 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:08:31,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10114 states. [2022-03-15 15:08:31,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10114 to 3652. [2022-03-15 15:08:31,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 3638 states have (on average 1.9785596481583287) internal successors, (7198), 3651 states have internal predecessors, (7198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:31,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 7198 transitions. [2022-03-15 15:08:31,261 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 7198 transitions. Word has length 105 [2022-03-15 15:08:31,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:31,261 INFO L470 AbstractCegarLoop]: Abstraction has 3652 states and 7198 transitions. [2022-03-15 15:08:31,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:31,261 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 7198 transitions. [2022-03-15 15:08:31,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:31,265 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:31,265 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:31,291 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 15:08:31,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:31,487 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:31,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:31,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1328247691, now seen corresponding path program 3 times [2022-03-15 15:08:31,488 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:31,488 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389277569] [2022-03-15 15:08:31,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:31,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:31,819 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:08:31,819 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:31,819 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389277569] [2022-03-15 15:08:31,819 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389277569] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:31,819 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350223041] [2022-03-15 15:08:31,820 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 15:08:31,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:31,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:31,821 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 15:08:31,822 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 15:08:31,921 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-15 15:08:31,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:08:31,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:08:31,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:32,163 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 15:08:32,253 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:32,253 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:32,254 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350223041] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:32,254 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:32,254 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:08:32,254 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315665511] [2022-03-15 15:08:32,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:32,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:32,254 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:32,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:32,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:08:32,255 INFO L87 Difference]: Start difference. First operand 3652 states and 7198 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:32,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:32,787 INFO L93 Difference]: Finished difference Result 7639 states and 15153 transitions. [2022-03-15 15:08:32,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 15:08:32,787 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:32,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:32,833 INFO L225 Difference]: With dead ends: 7639 [2022-03-15 15:08:32,833 INFO L226 Difference]: Without dead ends: 7639 [2022-03-15 15:08:32,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:08:32,835 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 670 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:32,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [670 Valid, 1385 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 15:08:32,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7639 states. [2022-03-15 15:08:32,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7639 to 3709. [2022-03-15 15:08:32,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3709 states, 3695 states have (on average 1.9788903924221921) internal successors, (7312), 3708 states have internal predecessors, (7312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:32,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3709 states to 3709 states and 7312 transitions. [2022-03-15 15:08:32,919 INFO L78 Accepts]: Start accepts. Automaton has 3709 states and 7312 transitions. Word has length 105 [2022-03-15 15:08:32,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:32,919 INFO L470 AbstractCegarLoop]: Abstraction has 3709 states and 7312 transitions. [2022-03-15 15:08:32,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:32,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3709 states and 7312 transitions. [2022-03-15 15:08:32,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:32,922 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:32,922 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:32,945 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 15:08:33,139 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,SelfDestructingSolverStorable12 [2022-03-15 15:08:33,140 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:33,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:33,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1254368373, now seen corresponding path program 4 times [2022-03-15 15:08:33,140 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:33,140 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787390676] [2022-03-15 15:08:33,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:33,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:33,364 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:33,364 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:33,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787390676] [2022-03-15 15:08:33,364 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787390676] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:33,364 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:33,364 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 15:08:33,364 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433276423] [2022-03-15 15:08:33,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:33,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:33,365 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:33,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:33,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:08:33,365 INFO L87 Difference]: Start difference. First operand 3709 states and 7312 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:34,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:34,264 INFO L93 Difference]: Finished difference Result 10742 states and 21354 transitions. [2022-03-15 15:08:34,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-15 15:08:34,264 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:34,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:34,282 INFO L225 Difference]: With dead ends: 10742 [2022-03-15 15:08:34,282 INFO L226 Difference]: Without dead ends: 10742 [2022-03-15 15:08:34,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:08:34,283 INFO L933 BasicCegarLoop]: 301 mSDtfsCounter, 997 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:34,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [997 Valid, 1663 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:08:34,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10742 states. [2022-03-15 15:08:34,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10742 to 3753. [2022-03-15 15:08:34,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3753 states, 3739 states have (on average 1.9791388071676919) internal successors, (7400), 3752 states have internal predecessors, (7400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:34,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 7400 transitions. [2022-03-15 15:08:34,378 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 7400 transitions. Word has length 105 [2022-03-15 15:08:34,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:34,378 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 7400 transitions. [2022-03-15 15:08:34,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:34,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 7400 transitions. [2022-03-15 15:08:34,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:34,381 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:34,381 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:34,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-15 15:08:34,382 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:34,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:34,382 INFO L85 PathProgramCache]: Analyzing trace with hash 995038829, now seen corresponding path program 5 times [2022-03-15 15:08:34,382 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:34,382 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347840465] [2022-03-15 15:08:34,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:34,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:34,661 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:34,662 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:34,662 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347840465] [2022-03-15 15:08:34,662 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347840465] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:34,662 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:34,662 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 15:08:34,662 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459609015] [2022-03-15 15:08:34,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:34,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:34,663 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:34,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:34,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:08:34,664 INFO L87 Difference]: Start difference. First operand 3753 states and 7400 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:35,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:35,812 INFO L93 Difference]: Finished difference Result 11398 states and 22628 transitions. [2022-03-15 15:08:35,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-15 15:08:35,812 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:35,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:35,832 INFO L225 Difference]: With dead ends: 11398 [2022-03-15 15:08:35,832 INFO L226 Difference]: Without dead ends: 11398 [2022-03-15 15:08:35,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=220, Invalid=536, Unknown=0, NotChecked=0, Total=756 [2022-03-15 15:08:35,833 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 1213 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:35,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1213 Valid, 1510 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:08:35,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11398 states. [2022-03-15 15:08:35,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11398 to 3753. [2022-03-15 15:08:35,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3753 states, 3739 states have (on average 1.9791388071676919) internal successors, (7400), 3752 states have internal predecessors, (7400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:35,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 7400 transitions. [2022-03-15 15:08:35,930 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 7400 transitions. Word has length 105 [2022-03-15 15:08:35,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:35,931 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 7400 transitions. [2022-03-15 15:08:35,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:35,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 7400 transitions. [2022-03-15 15:08:35,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:35,933 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:35,933 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:35,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-15 15:08:35,933 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 15:08:35,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:35,934 INFO L85 PathProgramCache]: Analyzing trace with hash -242221847, now seen corresponding path program 6 times [2022-03-15 15:08:35,934 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:35,934 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498111812] [2022-03-15 15:08:35,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:35,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:08:36,153 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:36,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498111812] [2022-03-15 15:08:36,153 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498111812] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:36,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413548509] [2022-03-15 15:08:36,153 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-15 15:08:36,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:36,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:36,155 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 15:08:36,183 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 15:08:36,268 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-03-15 15:08:36,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:08:36,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:08:36,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:36,557 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 15:08:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:36,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:36,659 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413548509] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:36,659 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:36,659 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:08:36,660 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033667957] [2022-03-15 15:08:36,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:36,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:36,660 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:36,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:36,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:08:36,661 INFO L87 Difference]: Start difference. First operand 3753 states and 7400 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:37,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:37,874 INFO L93 Difference]: Finished difference Result 12415 states and 24633 transitions. [2022-03-15 15:08:37,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:08:37,874 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:37,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:37,897 INFO L225 Difference]: With dead ends: 12415 [2022-03-15 15:08:37,897 INFO L226 Difference]: Without dead ends: 12415 [2022-03-15 15:08:37,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2022-03-15 15:08:37,899 INFO L933 BasicCegarLoop]: 366 mSDtfsCounter, 1163 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 1233 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 1968 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:37,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1163 Valid, 1968 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1233 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:08:37,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12415 states. [2022-03-15 15:08:37,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12415 to 3753. [2022-03-15 15:08:38,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3753 states, 3739 states have (on average 1.9791388071676919) internal successors, (7400), 3752 states have internal predecessors, (7400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:38,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 7400 transitions. [2022-03-15 15:08:38,008 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 7400 transitions. Word has length 105 [2022-03-15 15:08:38,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:38,009 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 7400 transitions. [2022-03-15 15:08:38,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:38,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 7400 transitions. [2022-03-15 15:08:38,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:38,013 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:38,013 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:38,040 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 15:08:38,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-03-15 15:08:38,237 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 15:08:38,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:38,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1512891989, now seen corresponding path program 7 times [2022-03-15 15:08:38,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:38,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038882989] [2022-03-15 15:08:38,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:38,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:38,517 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:08:38,518 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:38,518 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038882989] [2022-03-15 15:08:38,518 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038882989] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:38,518 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136174125] [2022-03-15 15:08:38,518 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-15 15:08:38,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:38,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:38,520 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 15:08:38,528 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 15:08:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:38,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:08:38,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:38,875 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 15:08:38,979 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:38,980 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:38,980 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136174125] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:38,980 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:38,980 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:08:38,980 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468639957] [2022-03-15 15:08:38,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:38,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:38,981 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:38,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:38,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:08:38,981 INFO L87 Difference]: Start difference. First operand 3753 states and 7400 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:39,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:39,742 INFO L93 Difference]: Finished difference Result 12372 states and 24614 transitions. [2022-03-15 15:08:39,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-15 15:08:39,742 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:39,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:39,760 INFO L225 Difference]: With dead ends: 12372 [2022-03-15 15:08:39,761 INFO L226 Difference]: Without dead ends: 12372 [2022-03-15 15:08:39,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:08:39,762 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 1039 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 1818 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:39,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1039 Valid, 1818 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:08:39,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12372 states. [2022-03-15 15:08:39,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12372 to 3765. [2022-03-15 15:08:39,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3765 states, 3751 states have (on average 1.9792055451879498) internal successors, (7424), 3764 states have internal predecessors, (7424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:39,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 7424 transitions. [2022-03-15 15:08:39,872 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 7424 transitions. Word has length 105 [2022-03-15 15:08:39,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:39,872 INFO L470 AbstractCegarLoop]: Abstraction has 3765 states and 7424 transitions. [2022-03-15 15:08:39,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:39,872 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 7424 transitions. [2022-03-15 15:08:39,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:39,874 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:39,874 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:39,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-15 15:08:40,087 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,SelfDestructingSolverStorable16 [2022-03-15 15:08:40,087 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:40,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:40,088 INFO L85 PathProgramCache]: Analyzing trace with hash 329331063, now seen corresponding path program 8 times [2022-03-15 15:08:40,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:40,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567307423] [2022-03-15 15:08:40,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:40,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:40,318 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:08:40,319 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:40,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567307423] [2022-03-15 15:08:40,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567307423] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:40,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685746699] [2022-03-15 15:08:40,319 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 15:08:40,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:40,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:40,320 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 15:08:40,344 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 15:08:40,441 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 15:08:40,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:08:40,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:08:40,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:40,731 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 15:08:40,812 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:40,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:40,813 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685746699] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:40,813 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:40,813 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:08:40,813 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611467829] [2022-03-15 15:08:40,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:40,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:40,813 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:40,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:40,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:08:40,814 INFO L87 Difference]: Start difference. First operand 3765 states and 7424 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:41,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:41,937 INFO L93 Difference]: Finished difference Result 13667 states and 27166 transitions. [2022-03-15 15:08:41,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:08:41,937 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:41,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:41,955 INFO L225 Difference]: With dead ends: 13667 [2022-03-15 15:08:41,956 INFO L226 Difference]: Without dead ends: 13667 [2022-03-15 15:08:41,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=305, Invalid=1417, Unknown=0, NotChecked=0, Total=1722 [2022-03-15 15:08:41,957 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 1565 mSDsluCounter, 1404 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1565 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:41,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1565 Valid, 1726 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:08:41,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13667 states. [2022-03-15 15:08:42,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13667 to 3763. [2022-03-15 15:08:42,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3763 states, 3749 states have (on average 1.9791944518538276) internal successors, (7420), 3762 states have internal predecessors, (7420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:42,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3763 states and 7420 transitions. [2022-03-15 15:08:42,065 INFO L78 Accepts]: Start accepts. Automaton has 3763 states and 7420 transitions. Word has length 105 [2022-03-15 15:08:42,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:42,066 INFO L470 AbstractCegarLoop]: Abstraction has 3763 states and 7420 transitions. [2022-03-15 15:08:42,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:42,066 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 7420 transitions. [2022-03-15 15:08:42,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:42,068 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:42,068 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:42,092 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 15:08:42,282 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,SelfDestructingSolverStorable17 [2022-03-15 15:08:42,282 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:42,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:42,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1169606955, now seen corresponding path program 9 times [2022-03-15 15:08:42,282 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:42,282 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985973389] [2022-03-15 15:08:42,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:42,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:42,524 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:42,524 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:42,524 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985973389] [2022-03-15 15:08:42,525 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985973389] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:42,525 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:42,525 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 15:08:42,525 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895973321] [2022-03-15 15:08:42,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:42,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:42,526 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:42,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:42,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:08:42,527 INFO L87 Difference]: Start difference. First operand 3763 states and 7420 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:43,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:43,812 INFO L93 Difference]: Finished difference Result 12700 states and 25213 transitions. [2022-03-15 15:08:43,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 15:08:43,812 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:43,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:43,828 INFO L225 Difference]: With dead ends: 12700 [2022-03-15 15:08:43,828 INFO L226 Difference]: Without dead ends: 12700 [2022-03-15 15:08:43,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:08:43,829 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 1259 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1259 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:43,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1259 Valid, 1745 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:08:43,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12700 states. [2022-03-15 15:08:43,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12700 to 3765. [2022-03-15 15:08:43,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3765 states, 3751 states have (on average 1.9792055451879498) internal successors, (7424), 3764 states have internal predecessors, (7424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:43,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 7424 transitions. [2022-03-15 15:08:43,918 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 7424 transitions. Word has length 105 [2022-03-15 15:08:43,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:43,918 INFO L470 AbstractCegarLoop]: Abstraction has 3765 states and 7424 transitions. [2022-03-15 15:08:43,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:43,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 7424 transitions. [2022-03-15 15:08:43,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:43,920 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:43,921 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:43,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-15 15:08:43,921 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:43,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:43,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1170811691, now seen corresponding path program 10 times [2022-03-15 15:08:43,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:43,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932037320] [2022-03-15 15:08:43,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:43,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:44,105 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:08:44,105 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:44,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932037320] [2022-03-15 15:08:44,105 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932037320] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:44,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72220463] [2022-03-15 15:08:44,105 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-15 15:08:44,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:44,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:44,107 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 15:08:44,119 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 15:08:44,298 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-15 15:08:44,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:08:44,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-15 15:08:44,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:44,489 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 15:08:44,529 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:44,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:44,529 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72220463] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:44,530 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:44,530 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-03-15 15:08:44,530 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098839945] [2022-03-15 15:08:44,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:44,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 15:08:44,530 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:44,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 15:08:44,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-03-15 15:08:44,531 INFO L87 Difference]: Start difference. First operand 3765 states and 7424 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:45,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:45,243 INFO L93 Difference]: Finished difference Result 13250 states and 26322 transitions. [2022-03-15 15:08:45,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-15 15:08:45,244 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:45,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:45,257 INFO L225 Difference]: With dead ends: 13250 [2022-03-15 15:08:45,257 INFO L226 Difference]: Without dead ends: 13250 [2022-03-15 15:08:45,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=226, Invalid=1034, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:08:45,258 INFO L933 BasicCegarLoop]: 359 mSDtfsCounter, 1188 mSDsluCounter, 1809 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 2168 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:45,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1188 Valid, 2168 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 15:08:45,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13250 states. [2022-03-15 15:08:45,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13250 to 3759. [2022-03-15 15:08:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3759 states, 3745 states have (on average 1.9791722296395193) internal successors, (7412), 3758 states have internal predecessors, (7412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:45,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3759 states and 7412 transitions. [2022-03-15 15:08:45,335 INFO L78 Accepts]: Start accepts. Automaton has 3759 states and 7412 transitions. Word has length 105 [2022-03-15 15:08:45,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:45,335 INFO L470 AbstractCegarLoop]: Abstraction has 3759 states and 7412 transitions. [2022-03-15 15:08:45,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:45,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 7412 transitions. [2022-03-15 15:08:45,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:45,338 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:45,338 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:45,361 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 15:08:45,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:45,561 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:45,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:45,562 INFO L85 PathProgramCache]: Analyzing trace with hash -250583287, now seen corresponding path program 11 times [2022-03-15 15:08:45,562 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:45,562 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877946638] [2022-03-15 15:08:45,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:45,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:45,811 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:45,811 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877946638] [2022-03-15 15:08:45,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877946638] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:45,811 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:45,811 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 15:08:45,811 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772694042] [2022-03-15 15:08:45,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:45,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:45,811 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:45,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:45,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:08:45,812 INFO L87 Difference]: Start difference. First operand 3759 states and 7412 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:46,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:46,541 INFO L93 Difference]: Finished difference Result 10658 states and 21186 transitions. [2022-03-15 15:08:46,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-15 15:08:46,541 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:46,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:46,555 INFO L225 Difference]: With dead ends: 10658 [2022-03-15 15:08:46,555 INFO L226 Difference]: Without dead ends: 10658 [2022-03-15 15:08:46,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:08:46,556 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 798 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:46,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [798 Valid, 1559 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:08:46,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10658 states. [2022-03-15 15:08:46,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10658 to 3764. [2022-03-15 15:08:46,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3764 states, 3750 states have (on average 1.9792) internal successors, (7422), 3763 states have internal predecessors, (7422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:46,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3764 states to 3764 states and 7422 transitions. [2022-03-15 15:08:46,639 INFO L78 Accepts]: Start accepts. Automaton has 3764 states and 7422 transitions. Word has length 105 [2022-03-15 15:08:46,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:46,639 INFO L470 AbstractCegarLoop]: Abstraction has 3764 states and 7422 transitions. [2022-03-15 15:08:46,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:46,639 INFO L276 IsEmpty]: Start isEmpty. Operand 3764 states and 7422 transitions. [2022-03-15 15:08:46,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:46,642 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:46,642 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:46,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-15 15:08:46,642 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:46,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:46,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1591639765, now seen corresponding path program 12 times [2022-03-15 15:08:46,643 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:46,643 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229603845] [2022-03-15 15:08:46,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:46,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:46,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:46,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229603845] [2022-03-15 15:08:46,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229603845] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:46,884 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:46,884 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 15:08:46,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351645810] [2022-03-15 15:08:46,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:46,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:46,885 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:46,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:46,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:08:46,885 INFO L87 Difference]: Start difference. First operand 3764 states and 7422 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:47,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:47,781 INFO L93 Difference]: Finished difference Result 10302 states and 20436 transitions. [2022-03-15 15:08:47,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-15 15:08:47,781 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:47,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:47,794 INFO L225 Difference]: With dead ends: 10302 [2022-03-15 15:08:47,794 INFO L226 Difference]: Without dead ends: 10302 [2022-03-15 15:08:47,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2022-03-15 15:08:47,795 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1124 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 1601 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:47,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1124 Valid, 1601 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1162 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:08:47,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10302 states. [2022-03-15 15:08:47,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10302 to 3762. [2022-03-15 15:08:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3762 states, 3748 states have (on average 1.979188900747065) internal successors, (7418), 3761 states have internal predecessors, (7418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:47,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3762 states to 3762 states and 7418 transitions. [2022-03-15 15:08:47,908 INFO L78 Accepts]: Start accepts. Automaton has 3762 states and 7418 transitions. Word has length 105 [2022-03-15 15:08:47,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:47,908 INFO L470 AbstractCegarLoop]: Abstraction has 3762 states and 7418 transitions. [2022-03-15 15:08:47,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:47,909 INFO L276 IsEmpty]: Start isEmpty. Operand 3762 states and 7418 transitions. [2022-03-15 15:08:47,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:47,911 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:47,911 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:47,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-15 15:08:47,911 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:47,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:47,912 INFO L85 PathProgramCache]: Analyzing trace with hash -683316785, now seen corresponding path program 13 times [2022-03-15 15:08:47,912 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:47,912 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220347435] [2022-03-15 15:08:47,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:47,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:08:48,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:48,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220347435] [2022-03-15 15:08:48,194 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220347435] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:48,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704077775] [2022-03-15 15:08:48,194 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-15 15:08:48,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:48,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:48,196 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 15:08:48,197 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 15:08:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:48,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:08:48,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:48,603 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 15:08:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:48,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:48,734 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704077775] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:48,734 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:48,734 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:08:48,734 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201804953] [2022-03-15 15:08:48,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:48,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:48,735 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:48,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:48,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:08:48,735 INFO L87 Difference]: Start difference. First operand 3762 states and 7418 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:49,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:49,128 INFO L93 Difference]: Finished difference Result 6888 states and 13651 transitions. [2022-03-15 15:08:49,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 15:08:49,129 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:49,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:49,135 INFO L225 Difference]: With dead ends: 6888 [2022-03-15 15:08:49,135 INFO L226 Difference]: Without dead ends: 6888 [2022-03-15 15:08:49,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:08:49,136 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 538 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:49,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [538 Valid, 1365 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 15:08:49,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6888 states. [2022-03-15 15:08:49,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6888 to 3819. [2022-03-15 15:08:49,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3819 states, 3805 states have (on average 1.9795006570302234) internal successors, (7532), 3818 states have internal predecessors, (7532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:49,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 3819 states and 7532 transitions. [2022-03-15 15:08:49,178 INFO L78 Accepts]: Start accepts. Automaton has 3819 states and 7532 transitions. Word has length 105 [2022-03-15 15:08:49,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:49,178 INFO L470 AbstractCegarLoop]: Abstraction has 3819 states and 7532 transitions. [2022-03-15 15:08:49,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 3819 states and 7532 transitions. [2022-03-15 15:08:49,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:49,180 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:49,181 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:49,204 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 15:08:49,395 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,SelfDestructingSolverStorable22 [2022-03-15 15:08:49,396 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:49,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:49,396 INFO L85 PathProgramCache]: Analyzing trace with hash 953131453, now seen corresponding path program 14 times [2022-03-15 15:08:49,396 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:49,396 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335852944] [2022-03-15 15:08:49,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:49,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:08:49,697 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:49,697 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335852944] [2022-03-15 15:08:49,697 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335852944] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:49,697 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600769435] [2022-03-15 15:08:49,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 15:08:49,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:49,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:49,700 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 15:08:49,724 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 15:08:49,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 15:08:49,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:08:49,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:08:49,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:50,053 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 15:08:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:50,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:50,194 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600769435] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:50,195 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:50,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:08:50,195 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139518622] [2022-03-15 15:08:50,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:50,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:50,195 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:50,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:50,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:08:50,196 INFO L87 Difference]: Start difference. First operand 3819 states and 7532 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:50,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:50,687 INFO L93 Difference]: Finished difference Result 7489 states and 14848 transitions. [2022-03-15 15:08:50,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 15:08:50,688 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:50,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:50,697 INFO L225 Difference]: With dead ends: 7489 [2022-03-15 15:08:50,697 INFO L226 Difference]: Without dead ends: 7489 [2022-03-15 15:08:50,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=530, Unknown=0, NotChecked=0, Total=650 [2022-03-15 15:08:50,698 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 734 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:50,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [734 Valid, 1456 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 15:08:50,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7489 states. [2022-03-15 15:08:50,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7489 to 3855. [2022-03-15 15:08:50,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3855 states, 3841 states have (on average 1.9796927883363706) internal successors, (7604), 3854 states have internal predecessors, (7604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:50,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7604 transitions. [2022-03-15 15:08:50,758 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7604 transitions. Word has length 105 [2022-03-15 15:08:50,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:50,758 INFO L470 AbstractCegarLoop]: Abstraction has 3855 states and 7604 transitions. [2022-03-15 15:08:50,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:50,758 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7604 transitions. [2022-03-15 15:08:50,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:50,761 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:50,761 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:50,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-03-15 15:08:50,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:50,986 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:50,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:50,986 INFO L85 PathProgramCache]: Analyzing trace with hash -2066174343, now seen corresponding path program 15 times [2022-03-15 15:08:50,986 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:50,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322628681] [2022-03-15 15:08:50,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:50,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:51,273 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:08:51,273 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:51,273 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322628681] [2022-03-15 15:08:51,273 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322628681] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:51,273 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468159372] [2022-03-15 15:08:51,273 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 15:08:51,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:51,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:51,274 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 15:08:51,275 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 15:08:51,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-15 15:08:51,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:08:51,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:08:51,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:51,652 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 13 treesize of output 9 [2022-03-15 15:08:51,791 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:51,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:51,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468159372] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:51,792 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:51,792 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:08:51,792 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109534832] [2022-03-15 15:08:51,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:51,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:51,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:51,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:51,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:08:51,793 INFO L87 Difference]: Start difference. First operand 3855 states and 7604 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:52,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:52,348 INFO L93 Difference]: Finished difference Result 7446 states and 14748 transitions. [2022-03-15 15:08:52,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 15:08:52,350 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:52,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:52,358 INFO L225 Difference]: With dead ends: 7446 [2022-03-15 15:08:52,358 INFO L226 Difference]: Without dead ends: 7446 [2022-03-15 15:08:52,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:08:52,359 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 756 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:52,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [756 Valid, 1585 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 15:08:52,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7446 states. [2022-03-15 15:08:52,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7446 to 3858. [2022-03-15 15:08:52,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3858 states, 3844 states have (on average 1.9797086368366286) internal successors, (7610), 3857 states have internal predecessors, (7610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:52,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 7610 transitions. [2022-03-15 15:08:52,406 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 7610 transitions. Word has length 105 [2022-03-15 15:08:52,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:52,407 INFO L470 AbstractCegarLoop]: Abstraction has 3858 states and 7610 transitions. [2022-03-15 15:08:52,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 7610 transitions. [2022-03-15 15:08:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:52,408 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:52,409 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:52,426 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 15:08:52,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:52,611 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:52,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:52,612 INFO L85 PathProgramCache]: Analyzing trace with hash -397331165, now seen corresponding path program 16 times [2022-03-15 15:08:52,612 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:52,612 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411959953] [2022-03-15 15:08:52,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:52,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:52,832 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:52,832 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411959953] [2022-03-15 15:08:52,832 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411959953] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:52,832 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:52,833 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 15:08:52,833 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437339022] [2022-03-15 15:08:52,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:52,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:52,833 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:52,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:52,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:08:52,834 INFO L87 Difference]: Start difference. First operand 3858 states and 7610 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:53,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:53,746 INFO L93 Difference]: Finished difference Result 9241 states and 18333 transitions. [2022-03-15 15:08:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-15 15:08:53,747 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:53,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:53,757 INFO L225 Difference]: With dead ends: 9241 [2022-03-15 15:08:53,757 INFO L226 Difference]: Without dead ends: 9241 [2022-03-15 15:08:53,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2022-03-15 15:08:53,758 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 996 mSDsluCounter, 1320 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:53,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [996 Valid, 1653 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:08:53,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9241 states. [2022-03-15 15:08:53,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9241 to 3860. [2022-03-15 15:08:53,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3860 states, 3846 states have (on average 1.9797191887675507) internal successors, (7614), 3859 states have internal predecessors, (7614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 7614 transitions. [2022-03-15 15:08:53,831 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 7614 transitions. Word has length 105 [2022-03-15 15:08:53,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:53,831 INFO L470 AbstractCegarLoop]: Abstraction has 3860 states and 7614 transitions. [2022-03-15 15:08:53,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:53,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 7614 transitions. [2022-03-15 15:08:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:53,833 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:53,833 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:53,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-15 15:08:53,833 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:53,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:53,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1444891887, now seen corresponding path program 17 times [2022-03-15 15:08:53,834 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:53,834 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396785766] [2022-03-15 15:08:53,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:53,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:54,070 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:08:54,070 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:54,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396785766] [2022-03-15 15:08:54,071 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396785766] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:54,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436652712] [2022-03-15 15:08:54,071 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-15 15:08:54,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:54,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:54,072 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 15:08:54,098 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 15:08:54,268 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-03-15 15:08:54,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:08:54,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:08:54,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:54,526 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 15:08:54,598 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:54,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:54,599 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436652712] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:54,599 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:54,599 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:08:54,599 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966176897] [2022-03-15 15:08:54,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:54,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:54,600 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:54,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:54,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:08:54,600 INFO L87 Difference]: Start difference. First operand 3860 states and 7614 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:55,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:55,746 INFO L93 Difference]: Finished difference Result 8162 states and 16156 transitions. [2022-03-15 15:08:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:08:55,747 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:55,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:55,759 INFO L225 Difference]: With dead ends: 8162 [2022-03-15 15:08:55,759 INFO L226 Difference]: Without dead ends: 8162 [2022-03-15 15:08:55,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=330, Invalid=1392, Unknown=0, NotChecked=0, Total=1722 [2022-03-15 15:08:55,761 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 1276 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 1813 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:55,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1276 Valid, 1813 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:08:55,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8162 states. [2022-03-15 15:08:55,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8162 to 3855. [2022-03-15 15:08:55,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3855 states, 3841 states have (on average 1.9796927883363706) internal successors, (7604), 3854 states have internal predecessors, (7604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7604 transitions. [2022-03-15 15:08:55,858 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7604 transitions. Word has length 105 [2022-03-15 15:08:55,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:55,859 INFO L470 AbstractCegarLoop]: Abstraction has 3855 states and 7604 transitions. [2022-03-15 15:08:55,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:55,859 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7604 transitions. [2022-03-15 15:08:55,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:55,861 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:55,862 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:55,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-03-15 15:08:56,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-03-15 15:08:56,083 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:56,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:56,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1422414237, now seen corresponding path program 18 times [2022-03-15 15:08:56,084 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:56,084 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927521120] [2022-03-15 15:08:56,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:56,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:56,306 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:56,307 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:56,307 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927521120] [2022-03-15 15:08:56,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927521120] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:56,307 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:56,307 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 15:08:56,307 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932751870] [2022-03-15 15:08:56,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:56,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:56,307 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:56,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:56,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:08:56,308 INFO L87 Difference]: Start difference. First operand 3855 states and 7604 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:56,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:56,846 INFO L93 Difference]: Finished difference Result 7798 states and 15433 transitions. [2022-03-15 15:08:56,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 15:08:56,846 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:56,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:56,854 INFO L225 Difference]: With dead ends: 7798 [2022-03-15 15:08:56,854 INFO L226 Difference]: Without dead ends: 7798 [2022-03-15 15:08:56,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-03-15 15:08:56,855 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 658 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:56,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [658 Valid, 1417 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 15:08:56,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7798 states. [2022-03-15 15:08:56,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7798 to 3864. [2022-03-15 15:08:56,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3864 states, 3850 states have (on average 1.9797402597402598) internal successors, (7622), 3863 states have internal predecessors, (7622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 7622 transitions. [2022-03-15 15:08:56,905 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 7622 transitions. Word has length 105 [2022-03-15 15:08:56,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:56,905 INFO L470 AbstractCegarLoop]: Abstraction has 3864 states and 7622 transitions. [2022-03-15 15:08:56,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:56,905 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 7622 transitions. [2022-03-15 15:08:56,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:56,907 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:56,907 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:56,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-15 15:08:56,907 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 15:08:56,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:56,907 INFO L85 PathProgramCache]: Analyzing trace with hash 246428941, now seen corresponding path program 19 times [2022-03-15 15:08:56,908 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:56,908 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657399877] [2022-03-15 15:08:56,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:56,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:08:57,128 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:57,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657399877] [2022-03-15 15:08:57,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657399877] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:57,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306775843] [2022-03-15 15:08:57,128 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-15 15:08:57,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:57,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:57,132 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 15:08:57,134 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 15:08:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:57,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:08:57,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:57,535 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 15:08:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:57,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:57,630 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306775843] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:57,631 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:57,631 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:08:57,631 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101694455] [2022-03-15 15:08:57,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:57,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:57,632 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:57,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:57,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:08:57,633 INFO L87 Difference]: Start difference. First operand 3864 states and 7622 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:58,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:58,411 INFO L93 Difference]: Finished difference Result 10886 states and 21585 transitions. [2022-03-15 15:08:58,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-15 15:08:58,411 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:08:58,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:58,423 INFO L225 Difference]: With dead ends: 10886 [2022-03-15 15:08:58,423 INFO L226 Difference]: Without dead ends: 10886 [2022-03-15 15:08:58,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=181, Invalid=811, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:08:58,424 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 963 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:58,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [963 Valid, 1899 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:08:58,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10886 states. [2022-03-15 15:08:58,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10886 to 3866. [2022-03-15 15:08:58,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3866 states, 3852 states have (on average 1.9797507788161994) internal successors, (7626), 3865 states have internal predecessors, (7626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:58,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3866 states and 7626 transitions. [2022-03-15 15:08:58,488 INFO L78 Accepts]: Start accepts. Automaton has 3866 states and 7626 transitions. Word has length 105 [2022-03-15 15:08:58,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:58,488 INFO L470 AbstractCegarLoop]: Abstraction has 3866 states and 7626 transitions. [2022-03-15 15:08:58,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:58,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 7626 transitions. [2022-03-15 15:08:58,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:08:58,490 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:58,490 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:58,514 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 15:08:58,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-03-15 15:08:58,714 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:08:58,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:58,715 INFO L85 PathProgramCache]: Analyzing trace with hash 2088651993, now seen corresponding path program 20 times [2022-03-15 15:08:58,715 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:58,715 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314396792] [2022-03-15 15:08:58,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:58,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:58,928 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:08:58,928 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:58,928 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314396792] [2022-03-15 15:08:58,928 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314396792] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:58,928 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181729195] [2022-03-15 15:08:58,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 15:08:58,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:58,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:58,929 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 15:08:58,930 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 15:08:59,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 15:08:59,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:08:59,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:08:59,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:59,310 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 15:08:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:08:59,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:59,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181729195] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:59,397 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:59,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:08:59,397 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571052876] [2022-03-15 15:08:59,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:59,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:59,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:59,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:59,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:08:59,398 INFO L87 Difference]: Start difference. First operand 3866 states and 7626 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:00,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:00,453 INFO L93 Difference]: Finished difference Result 9807 states and 19408 transitions. [2022-03-15 15:09:00,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:09:00,453 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:00,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:00,463 INFO L225 Difference]: With dead ends: 9807 [2022-03-15 15:09:00,463 INFO L226 Difference]: Without dead ends: 9807 [2022-03-15 15:09:00,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=295, Invalid=1345, Unknown=0, NotChecked=0, Total=1640 [2022-03-15 15:09:00,464 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 1205 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1205 SdHoareTripleChecker+Valid, 1821 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:00,465 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1205 Valid, 1821 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:09:00,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9807 states. [2022-03-15 15:09:00,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9807 to 3861. [2022-03-15 15:09:00,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3861 states, 3847 states have (on average 1.979724460618664) internal successors, (7616), 3860 states have internal predecessors, (7616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 7616 transitions. [2022-03-15 15:09:00,525 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 7616 transitions. Word has length 105 [2022-03-15 15:09:00,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:00,525 INFO L470 AbstractCegarLoop]: Abstraction has 3861 states and 7616 transitions. [2022-03-15 15:09:00,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:00,525 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 7616 transitions. [2022-03-15 15:09:00,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:00,527 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:00,527 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:00,545 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 15:09:00,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:00,727 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:00,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:00,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1543292729, now seen corresponding path program 21 times [2022-03-15 15:09:00,728 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:00,728 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019512571] [2022-03-15 15:09:00,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:00,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:00,924 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:00,924 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:00,924 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019512571] [2022-03-15 15:09:00,924 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019512571] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:00,924 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:00,925 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 15:09:00,925 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906081832] [2022-03-15 15:09:00,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:00,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:00,925 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:00,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:00,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:09:00,926 INFO L87 Difference]: Start difference. First operand 3861 states and 7616 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:01,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:01,801 INFO L93 Difference]: Finished difference Result 10607 states and 21041 transitions. [2022-03-15 15:09:01,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-15 15:09:01,801 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:01,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:01,813 INFO L225 Difference]: With dead ends: 10607 [2022-03-15 15:09:01,813 INFO L226 Difference]: Without dead ends: 10607 [2022-03-15 15:09:01,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-03-15 15:09:01,814 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 1002 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 1721 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:01,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1002 Valid, 1721 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:09:01,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10607 states. [2022-03-15 15:09:01,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10607 to 3867. [2022-03-15 15:09:01,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3867 states, 3853 states have (on average 1.979756034259019) internal successors, (7628), 3866 states have internal predecessors, (7628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:01,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3867 states and 7628 transitions. [2022-03-15 15:09:01,888 INFO L78 Accepts]: Start accepts. Automaton has 3867 states and 7628 transitions. Word has length 105 [2022-03-15 15:09:01,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:01,888 INFO L470 AbstractCegarLoop]: Abstraction has 3867 states and 7628 transitions. [2022-03-15 15:09:01,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:01,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 7628 transitions. [2022-03-15 15:09:01,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:01,889 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:01,889 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:01,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-15 15:09:01,890 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:01,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:01,890 INFO L85 PathProgramCache]: Analyzing trace with hash 298930323, now seen corresponding path program 22 times [2022-03-15 15:09:01,890 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:01,891 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30525354] [2022-03-15 15:09:01,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:01,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:02,139 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:02,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30525354] [2022-03-15 15:09:02,139 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30525354] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:02,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539366515] [2022-03-15 15:09:02,139 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-15 15:09:02,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:02,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:02,141 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 15:09:02,143 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 15:09:02,351 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-15 15:09:02,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:02,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-15 15:09:02,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:02,552 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 15:09:02,592 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:02,592 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:02,592 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539366515] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:02,592 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:02,592 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-03-15 15:09:02,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144910575] [2022-03-15 15:09:02,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:02,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 15:09:02,593 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:02,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 15:09:02,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-03-15 15:09:02,593 INFO L87 Difference]: Start difference. First operand 3867 states and 7628 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:03,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:03,663 INFO L93 Difference]: Finished difference Result 12510 states and 24809 transitions. [2022-03-15 15:09:03,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-15 15:09:03,664 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:03,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:03,680 INFO L225 Difference]: With dead ends: 12510 [2022-03-15 15:09:03,680 INFO L226 Difference]: Without dead ends: 12510 [2022-03-15 15:09:03,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=394, Invalid=1862, Unknown=0, NotChecked=0, Total=2256 [2022-03-15 15:09:03,681 INFO L933 BasicCegarLoop]: 370 mSDtfsCounter, 1486 mSDsluCounter, 1760 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 2129 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:03,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1486 Valid, 2129 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:09:03,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12510 states. [2022-03-15 15:09:03,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12510 to 3865. [2022-03-15 15:09:03,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3865 states, 3851 states have (on average 1.9797455206439887) internal successors, (7624), 3864 states have internal predecessors, (7624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3865 states and 7624 transitions. [2022-03-15 15:09:03,790 INFO L78 Accepts]: Start accepts. Automaton has 3865 states and 7624 transitions. Word has length 105 [2022-03-15 15:09:03,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:03,791 INFO L470 AbstractCegarLoop]: Abstraction has 3865 states and 7624 transitions. [2022-03-15 15:09:03,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:03,791 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 7624 transitions. [2022-03-15 15:09:03,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:03,793 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:03,793 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:03,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-03-15 15:09:03,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:03,994 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:03,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:03,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1139206215, now seen corresponding path program 23 times [2022-03-15 15:09:03,995 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:03,995 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756924790] [2022-03-15 15:09:03,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:03,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:04,236 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:04,237 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:04,237 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756924790] [2022-03-15 15:09:04,237 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756924790] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:04,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204287923] [2022-03-15 15:09:04,238 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-15 15:09:04,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:04,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:04,239 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 15:09:04,248 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 15:09:04,436 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-03-15 15:09:04,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:04,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:09:04,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:04,689 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 15:09:04,754 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:04,754 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:04,754 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204287923] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:04,754 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:04,754 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:09:04,754 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738936771] [2022-03-15 15:09:04,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:04,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:04,755 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:04,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:04,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:09:04,755 INFO L87 Difference]: Start difference. First operand 3865 states and 7624 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:05,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:05,907 INFO L93 Difference]: Finished difference Result 9555 states and 18918 transitions. [2022-03-15 15:09:05,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:09:05,908 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:05,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:05,922 INFO L225 Difference]: With dead ends: 9555 [2022-03-15 15:09:05,922 INFO L226 Difference]: Without dead ends: 9555 [2022-03-15 15:09:05,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=360, Invalid=1532, Unknown=0, NotChecked=0, Total=1892 [2022-03-15 15:09:05,924 INFO L933 BasicCegarLoop]: 377 mSDtfsCounter, 1173 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 1967 SdHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:05,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1173 Valid, 1967 Invalid, 1203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:09:05,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9555 states. [2022-03-15 15:09:05,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9555 to 3855. [2022-03-15 15:09:05,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3855 states, 3841 states have (on average 1.9796927883363706) internal successors, (7604), 3854 states have internal predecessors, (7604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7604 transitions. [2022-03-15 15:09:05,988 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7604 transitions. Word has length 105 [2022-03-15 15:09:05,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:05,989 INFO L470 AbstractCegarLoop]: Abstraction has 3855 states and 7604 transitions. [2022-03-15 15:09:05,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:05,989 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7604 transitions. [2022-03-15 15:09:05,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:05,990 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:05,990 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:06,011 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 15:09:06,197 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,SelfDestructingSolverStorable32 [2022-03-15 15:09:06,198 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:06,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:06,198 INFO L85 PathProgramCache]: Analyzing trace with hash -4003655, now seen corresponding path program 24 times [2022-03-15 15:09:06,198 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:06,198 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10708529] [2022-03-15 15:09:06,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:06,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:06,444 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:06,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10708529] [2022-03-15 15:09:06,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10708529] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:06,444 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:06,444 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 15:09:06,444 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108078144] [2022-03-15 15:09:06,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:06,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:06,445 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:06,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:06,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:09:06,445 INFO L87 Difference]: Start difference. First operand 3855 states and 7604 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:07,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:07,512 INFO L93 Difference]: Finished difference Result 12064 states and 23979 transitions. [2022-03-15 15:09:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-15 15:09:07,512 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:07,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:07,526 INFO L225 Difference]: With dead ends: 12064 [2022-03-15 15:09:07,526 INFO L226 Difference]: Without dead ends: 12064 [2022-03-15 15:09:07,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2022-03-15 15:09:07,527 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 1351 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:07,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1351 Valid, 1529 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:09:07,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12064 states. [2022-03-15 15:09:07,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12064 to 3878. [2022-03-15 15:09:07,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3878 states, 3864 states have (on average 1.9798136645962734) internal successors, (7650), 3877 states have internal predecessors, (7650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:07,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 7650 transitions. [2022-03-15 15:09:07,592 INFO L78 Accepts]: Start accepts. Automaton has 3878 states and 7650 transitions. Word has length 105 [2022-03-15 15:09:07,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:07,592 INFO L470 AbstractCegarLoop]: Abstraction has 3878 states and 7650 transitions. [2022-03-15 15:09:07,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:07,592 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 7650 transitions. [2022-03-15 15:09:07,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:07,594 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:07,594 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:07,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-15 15:09:07,594 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:07,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:07,594 INFO L85 PathProgramCache]: Analyzing trace with hash -2798919, now seen corresponding path program 25 times [2022-03-15 15:09:07,594 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:07,594 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545378024] [2022-03-15 15:09:07,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:07,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:07,814 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:07,814 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:07,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545378024] [2022-03-15 15:09:07,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545378024] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:07,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666596294] [2022-03-15 15:09:07,814 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-15 15:09:07,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:07,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:07,816 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 15:09:07,841 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 15:09:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:07,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:09:07,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:08,222 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 15:09:08,272 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:08,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:08,273 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666596294] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:08,273 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:08,273 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:09:08,273 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893741914] [2022-03-15 15:09:08,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:08,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:08,273 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:08,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:08,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:09:08,274 INFO L87 Difference]: Start difference. First operand 3878 states and 7650 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:08,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:08,883 INFO L93 Difference]: Finished difference Result 11272 states and 22381 transitions. [2022-03-15 15:09:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-15 15:09:08,885 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:08,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:08,897 INFO L225 Difference]: With dead ends: 11272 [2022-03-15 15:09:08,898 INFO L226 Difference]: Without dead ends: 11272 [2022-03-15 15:09:08,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:09:08,898 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 919 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 1563 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:08,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [919 Valid, 1563 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 15:09:08,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11272 states. [2022-03-15 15:09:08,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11272 to 3876. [2022-03-15 15:09:08,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3876 states, 3862 states have (on average 1.979803210771621) internal successors, (7646), 3875 states have internal predecessors, (7646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:08,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 7646 transitions. [2022-03-15 15:09:08,970 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 7646 transitions. Word has length 105 [2022-03-15 15:09:08,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:08,970 INFO L470 AbstractCegarLoop]: Abstraction has 3876 states and 7646 transitions. [2022-03-15 15:09:08,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:08,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 7646 transitions. [2022-03-15 15:09:08,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:08,972 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:08,972 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:08,992 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 15:09:09,175 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,SelfDestructingSolverStorable34 [2022-03-15 15:09:09,175 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:09,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:09,176 INFO L85 PathProgramCache]: Analyzing trace with hash 821943643, now seen corresponding path program 26 times [2022-03-15 15:09:09,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:09,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439143488] [2022-03-15 15:09:09,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:09,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:09,395 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:09,395 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439143488] [2022-03-15 15:09:09,395 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439143488] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:09,395 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754121083] [2022-03-15 15:09:09,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 15:09:09,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:09,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:09,399 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 15:09:09,401 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 15:09:09,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 15:09:09,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:09,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:09:09,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:09,842 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 15:09:09,921 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:09,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:09,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754121083] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:09,922 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:09,922 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:09:09,922 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294262842] [2022-03-15 15:09:09,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:09,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:09,923 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:09,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:09,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:09:09,923 INFO L87 Difference]: Start difference. First operand 3876 states and 7646 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:10,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:10,369 INFO L93 Difference]: Finished difference Result 8797 states and 17431 transitions. [2022-03-15 15:09:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 15:09:10,369 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:10,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:10,379 INFO L225 Difference]: With dead ends: 8797 [2022-03-15 15:09:10,379 INFO L226 Difference]: Without dead ends: 8797 [2022-03-15 15:09:10,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:09:10,380 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 660 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:10,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [660 Valid, 1435 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 15:09:10,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8797 states. [2022-03-15 15:09:10,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8797 to 3873. [2022-03-15 15:09:10,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3873 states, 3859 states have (on average 1.9797875097175435) internal successors, (7640), 3872 states have internal predecessors, (7640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:10,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3873 states to 3873 states and 7640 transitions. [2022-03-15 15:09:10,434 INFO L78 Accepts]: Start accepts. Automaton has 3873 states and 7640 transitions. Word has length 105 [2022-03-15 15:09:10,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:10,434 INFO L470 AbstractCegarLoop]: Abstraction has 3873 states and 7640 transitions. [2022-03-15 15:09:10,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:10,434 INFO L276 IsEmpty]: Start isEmpty. Operand 3873 states and 7640 transitions. [2022-03-15 15:09:10,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:10,435 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:10,435 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:10,452 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 15:09:10,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:10,636 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:10,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:10,636 INFO L85 PathProgramCache]: Analyzing trace with hash 895822961, now seen corresponding path program 27 times [2022-03-15 15:09:10,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:10,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378863732] [2022-03-15 15:09:10,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:10,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:10,853 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:10,853 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:10,853 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378863732] [2022-03-15 15:09:10,853 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378863732] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:10,853 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331312916] [2022-03-15 15:09:10,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 15:09:10,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:10,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:10,855 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 15:09:10,856 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 15:09:11,017 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-15 15:09:11,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:11,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:09:11,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:11,250 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 15:09:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:11,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:11,333 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331312916] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:11,333 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:11,333 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:09:11,333 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255173061] [2022-03-15 15:09:11,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:11,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:11,333 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:11,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:11,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:09:11,334 INFO L87 Difference]: Start difference. First operand 3873 states and 7640 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:12,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:12,083 INFO L93 Difference]: Finished difference Result 11900 states and 23632 transitions. [2022-03-15 15:09:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-15 15:09:12,083 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:12,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:12,097 INFO L225 Difference]: With dead ends: 11900 [2022-03-15 15:09:12,098 INFO L226 Difference]: Without dead ends: 11900 [2022-03-15 15:09:12,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:09:12,098 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 1044 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1044 SdHoareTripleChecker+Valid, 1903 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:12,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1044 Valid, 1903 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:09:12,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11900 states. [2022-03-15 15:09:12,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11900 to 3879. [2022-03-15 15:09:12,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3879 states, 3865 states have (on average 1.9798188874514877) internal successors, (7652), 3878 states have internal predecessors, (7652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:12,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3879 states to 3879 states and 7652 transitions. [2022-03-15 15:09:12,162 INFO L78 Accepts]: Start accepts. Automaton has 3879 states and 7652 transitions. Word has length 105 [2022-03-15 15:09:12,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:12,162 INFO L470 AbstractCegarLoop]: Abstraction has 3879 states and 7652 transitions. [2022-03-15 15:09:12,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:12,162 INFO L276 IsEmpty]: Start isEmpty. Operand 3879 states and 7652 transitions. [2022-03-15 15:09:12,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:12,163 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:12,163 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:12,182 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 15:09:12,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:12,364 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:12,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:12,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1149737133, now seen corresponding path program 28 times [2022-03-15 15:09:12,365 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:12,365 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253964606] [2022-03-15 15:09:12,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:12,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:12,578 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:12,578 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:12,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253964606] [2022-03-15 15:09:12,578 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253964606] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:12,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119872708] [2022-03-15 15:09:12,579 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-15 15:09:12,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:12,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:12,588 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 15:09:12,589 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 15:09:12,792 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-15 15:09:12,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:12,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-15 15:09:12,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:13,020 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 15:09:13,155 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 15:09:13,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:13,188 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 15:09:13,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:13,221 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 15:09:13,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:13,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:13,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:13,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:13,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:13,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:13,276 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 15:09:13,316 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 9 [2022-03-15 15:09:13,329 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:13,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:13,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119872708] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:13,330 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:13,330 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [11] total 15 [2022-03-15 15:09:13,330 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082748454] [2022-03-15 15:09:13,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:13,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-15 15:09:13,330 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:13,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-15 15:09:13,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-03-15 15:09:13,331 INFO L87 Difference]: Start difference. First operand 3879 states and 7652 transitions. Second operand has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:15,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:15,264 INFO L93 Difference]: Finished difference Result 12532 states and 24859 transitions. [2022-03-15 15:09:15,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-15 15:09:15,265 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:15,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:15,280 INFO L225 Difference]: With dead ends: 12532 [2022-03-15 15:09:15,281 INFO L226 Difference]: Without dead ends: 12532 [2022-03-15 15:09:15,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 99 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 743 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=588, Invalid=1668, Unknown=0, NotChecked=0, Total=2256 [2022-03-15 15:09:15,282 INFO L933 BasicCegarLoop]: 434 mSDtfsCounter, 1242 mSDsluCounter, 1880 mSDsCounter, 0 mSdLazyCounter, 1788 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 2313 SdHoareTripleChecker+Invalid, 1862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:15,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1242 Valid, 2313 Invalid, 1862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1788 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:09:15,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12532 states. [2022-03-15 15:09:15,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12532 to 4187. [2022-03-15 15:09:15,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4187 states, 4173 states have (on average 1.9844236760124612) internal successors, (8281), 4186 states have internal predecessors, (8281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 4187 states and 8281 transitions. [2022-03-15 15:09:15,356 INFO L78 Accepts]: Start accepts. Automaton has 4187 states and 8281 transitions. Word has length 105 [2022-03-15 15:09:15,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:15,356 INFO L470 AbstractCegarLoop]: Abstraction has 4187 states and 8281 transitions. [2022-03-15 15:09:15,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:15,356 INFO L276 IsEmpty]: Start isEmpty. Operand 4187 states and 8281 transitions. [2022-03-15 15:09:15,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:15,358 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:15,358 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:15,374 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 15:09:15,558 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,SelfDestructingSolverStorable37 [2022-03-15 15:09:15,558 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:15,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:15,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1907969487, now seen corresponding path program 29 times [2022-03-15 15:09:15,559 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:15,559 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82361689] [2022-03-15 15:09:15,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:15,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:15,761 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:15,761 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:15,761 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82361689] [2022-03-15 15:09:15,761 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82361689] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:15,761 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:15,761 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 15:09:15,762 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281282492] [2022-03-15 15:09:15,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:15,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:15,762 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:15,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:15,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:09:15,762 INFO L87 Difference]: Start difference. First operand 4187 states and 8281 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:16,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:16,937 INFO L93 Difference]: Finished difference Result 14744 states and 29258 transitions. [2022-03-15 15:09:16,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-15 15:09:16,938 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:16,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:16,954 INFO L225 Difference]: With dead ends: 14744 [2022-03-15 15:09:16,954 INFO L226 Difference]: Without dead ends: 14744 [2022-03-15 15:09:16,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=719, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:09:16,955 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 1342 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 1786 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:16,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1342 Valid, 1786 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:09:16,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14744 states. [2022-03-15 15:09:17,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14744 to 4189. [2022-03-15 15:09:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4189 states, 4175 states have (on average 1.984431137724551) internal successors, (8285), 4188 states have internal predecessors, (8285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:17,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 8285 transitions. [2022-03-15 15:09:17,025 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 8285 transitions. Word has length 105 [2022-03-15 15:09:17,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:17,025 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 8285 transitions. [2022-03-15 15:09:17,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:17,025 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 8285 transitions. [2022-03-15 15:09:17,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:17,026 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:17,027 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:17,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-15 15:09:17,027 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:17,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:17,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1909174223, now seen corresponding path program 30 times [2022-03-15 15:09:17,027 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:17,027 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068435991] [2022-03-15 15:09:17,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:17,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:17,240 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:17,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:17,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068435991] [2022-03-15 15:09:17,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068435991] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:17,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503633388] [2022-03-15 15:09:17,241 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-15 15:09:17,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:17,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:17,242 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 15:09:17,243 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 15:09:17,440 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-03-15 15:09:17,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:17,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:09:17,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:17,678 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 15:09:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:17,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:17,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503633388] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:17,735 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:17,735 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:09:17,735 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556141887] [2022-03-15 15:09:17,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:17,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:17,735 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:17,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:17,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:09:17,736 INFO L87 Difference]: Start difference. First operand 4189 states and 8285 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:18,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:18,413 INFO L93 Difference]: Finished difference Result 11839 states and 23480 transitions. [2022-03-15 15:09:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-15 15:09:18,414 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:18,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:18,426 INFO L225 Difference]: With dead ends: 11839 [2022-03-15 15:09:18,427 INFO L226 Difference]: Without dead ends: 11839 [2022-03-15 15:09:18,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:09:18,427 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 875 mSDsluCounter, 1556 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 1891 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:18,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [875 Valid, 1891 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 15:09:18,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11839 states. [2022-03-15 15:09:18,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11839 to 4187. [2022-03-15 15:09:18,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4187 states, 4173 states have (on average 1.9844236760124612) internal successors, (8281), 4186 states have internal predecessors, (8281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:18,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 4187 states and 8281 transitions. [2022-03-15 15:09:18,491 INFO L78 Accepts]: Start accepts. Automaton has 4187 states and 8281 transitions. Word has length 105 [2022-03-15 15:09:18,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:18,491 INFO L470 AbstractCegarLoop]: Abstraction has 4187 states and 8281 transitions. [2022-03-15 15:09:18,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:18,491 INFO L276 IsEmpty]: Start isEmpty. Operand 4187 states and 8281 transitions. [2022-03-15 15:09:18,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:18,493 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:18,493 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:18,510 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 15:09:18,693 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,SelfDestructingSolverStorable39 [2022-03-15 15:09:18,693 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:18,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:18,694 INFO L85 PathProgramCache]: Analyzing trace with hash 637299345, now seen corresponding path program 31 times [2022-03-15 15:09:18,694 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:18,694 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319620770] [2022-03-15 15:09:18,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:18,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:18,929 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:18,929 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319620770] [2022-03-15 15:09:18,929 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319620770] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:18,929 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904981622] [2022-03-15 15:09:18,929 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-15 15:09:18,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:18,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:18,931 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 15:09:18,959 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 15:09:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:19,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:09:19,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:19,379 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 15:09:19,493 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:19,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:19,494 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904981622] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:19,494 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:19,494 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:09:19,494 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38432635] [2022-03-15 15:09:19,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:19,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:19,494 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:19,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:19,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:09:19,495 INFO L87 Difference]: Start difference. First operand 4187 states and 8281 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:20,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:20,188 INFO L93 Difference]: Finished difference Result 12734 states and 25313 transitions. [2022-03-15 15:09:20,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-15 15:09:20,189 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:20,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:20,203 INFO L225 Difference]: With dead ends: 12734 [2022-03-15 15:09:20,203 INFO L226 Difference]: Without dead ends: 12734 [2022-03-15 15:09:20,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=762, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:09:20,204 INFO L933 BasicCegarLoop]: 346 mSDtfsCounter, 918 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 1847 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:20,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [918 Valid, 1847 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 15:09:20,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12734 states. [2022-03-15 15:09:20,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12734 to 4197. [2022-03-15 15:09:20,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4197 states, 4183 states have (on average 1.984460913220177) internal successors, (8301), 4196 states have internal predecessors, (8301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:20,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4197 states to 4197 states and 8301 transitions. [2022-03-15 15:09:20,270 INFO L78 Accepts]: Start accepts. Automaton has 4197 states and 8301 transitions. Word has length 105 [2022-03-15 15:09:20,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:20,270 INFO L470 AbstractCegarLoop]: Abstraction has 4197 states and 8301 transitions. [2022-03-15 15:09:20,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:20,270 INFO L276 IsEmpty]: Start isEmpty. Operand 4197 states and 8301 transitions. [2022-03-15 15:09:20,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:20,272 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:20,272 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:20,299 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 15:09:20,487 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,SelfDestructingSolverStorable40 [2022-03-15 15:09:20,487 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:20,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:20,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1815444899, now seen corresponding path program 32 times [2022-03-15 15:09:20,488 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:20,488 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075212858] [2022-03-15 15:09:20,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:20,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:20,700 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:20,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:20,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075212858] [2022-03-15 15:09:20,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075212858] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:20,700 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:20,700 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 15:09:20,700 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375529222] [2022-03-15 15:09:20,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:20,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:20,701 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:20,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:20,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:09:20,701 INFO L87 Difference]: Start difference. First operand 4197 states and 8301 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:21,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:21,723 INFO L93 Difference]: Finished difference Result 13390 states and 26587 transitions. [2022-03-15 15:09:21,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-15 15:09:21,723 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:21,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:21,737 INFO L225 Difference]: With dead ends: 13390 [2022-03-15 15:09:21,738 INFO L226 Difference]: Without dead ends: 13390 [2022-03-15 15:09:21,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=253, Invalid=617, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:09:21,738 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 1335 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1335 SdHoareTripleChecker+Valid, 1617 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:21,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1335 Valid, 1617 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:09:21,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13390 states. [2022-03-15 15:09:21,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13390 to 4195. [2022-03-15 15:09:21,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4195 states, 4181 states have (on average 1.9844534800287013) internal successors, (8297), 4194 states have internal predecessors, (8297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:21,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 4195 states and 8297 transitions. [2022-03-15 15:09:21,809 INFO L78 Accepts]: Start accepts. Automaton has 4195 states and 8297 transitions. Word has length 105 [2022-03-15 15:09:21,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:21,809 INFO L470 AbstractCegarLoop]: Abstraction has 4195 states and 8297 transitions. [2022-03-15 15:09:21,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:21,809 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 8297 transitions. [2022-03-15 15:09:21,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:21,810 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:21,811 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:21,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-15 15:09:21,811 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:21,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:21,811 INFO L85 PathProgramCache]: Analyzing trace with hash -975169007, now seen corresponding path program 33 times [2022-03-15 15:09:21,811 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:21,811 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695481226] [2022-03-15 15:09:21,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:21,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:22,022 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:22,023 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:22,023 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695481226] [2022-03-15 15:09:22,023 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695481226] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:22,023 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545952300] [2022-03-15 15:09:22,023 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 15:09:22,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:22,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:22,028 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 15:09:22,030 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 15:09:22,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-15 15:09:22,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:22,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:09:22,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:22,492 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 15:09:22,556 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:22,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:22,556 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545952300] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:22,556 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:22,556 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:09:22,556 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083008400] [2022-03-15 15:09:22,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:22,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:22,557 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:22,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:22,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:09:22,557 INFO L87 Difference]: Start difference. First operand 4195 states and 8297 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:23,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:23,526 INFO L93 Difference]: Finished difference Result 11961 states and 23710 transitions. [2022-03-15 15:09:23,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 15:09:23,526 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:23,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:23,541 INFO L225 Difference]: With dead ends: 11961 [2022-03-15 15:09:23,541 INFO L226 Difference]: Without dead ends: 11961 [2022-03-15 15:09:23,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=286, Invalid=1274, Unknown=0, NotChecked=0, Total=1560 [2022-03-15 15:09:23,542 INFO L933 BasicCegarLoop]: 370 mSDtfsCounter, 1069 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 1817 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:23,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1069 Valid, 1817 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:09:23,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11961 states. [2022-03-15 15:09:23,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11961 to 4191. [2022-03-15 15:09:23,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4191 states, 4177 states have (on average 1.984438592291118) internal successors, (8289), 4190 states have internal predecessors, (8289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:23,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 4191 states and 8289 transitions. [2022-03-15 15:09:23,629 INFO L78 Accepts]: Start accepts. Automaton has 4191 states and 8289 transitions. Word has length 105 [2022-03-15 15:09:23,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:23,629 INFO L470 AbstractCegarLoop]: Abstraction has 4191 states and 8289 transitions. [2022-03-15 15:09:23,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:23,630 INFO L276 IsEmpty]: Start isEmpty. Operand 4191 states and 8289 transitions. [2022-03-15 15:09:23,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:23,631 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:23,632 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:23,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2022-03-15 15:09:23,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:23,832 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:23,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:23,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1899608047, now seen corresponding path program 34 times [2022-03-15 15:09:23,833 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:23,833 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391015879] [2022-03-15 15:09:23,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:23,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:24,086 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:24,086 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:24,087 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391015879] [2022-03-15 15:09:24,087 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391015879] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:24,087 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719831539] [2022-03-15 15:09:24,087 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-15 15:09:24,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:24,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:24,088 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 15:09:24,090 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 15:09:24,390 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-15 15:09:24,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:24,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-15 15:09:24,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:24,549 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 15:09:24,599 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:24,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:24,599 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719831539] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:24,599 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:24,599 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-03-15 15:09:24,599 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636433588] [2022-03-15 15:09:24,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:24,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 15:09:24,600 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:24,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 15:09:24,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2022-03-15 15:09:24,600 INFO L87 Difference]: Start difference. First operand 4191 states and 8289 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:25,379 INFO L93 Difference]: Finished difference Result 13150 states and 26145 transitions. [2022-03-15 15:09:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-15 15:09:25,380 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:25,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:25,397 INFO L225 Difference]: With dead ends: 13150 [2022-03-15 15:09:25,397 INFO L226 Difference]: Without dead ends: 13150 [2022-03-15 15:09:25,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=239, Invalid=1021, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:09:25,398 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 1103 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 1721 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:25,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1103 Valid, 1721 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:09:25,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13150 states. [2022-03-15 15:09:25,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13150 to 4195. [2022-03-15 15:09:25,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4195 states, 4181 states have (on average 1.9844534800287013) internal successors, (8297), 4194 states have internal predecessors, (8297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 4195 states and 8297 transitions. [2022-03-15 15:09:25,468 INFO L78 Accepts]: Start accepts. Automaton has 4195 states and 8297 transitions. Word has length 105 [2022-03-15 15:09:25,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:25,468 INFO L470 AbstractCegarLoop]: Abstraction has 4195 states and 8297 transitions. [2022-03-15 15:09:25,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,468 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 8297 transitions. [2022-03-15 15:09:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:25,469 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:25,469 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:25,486 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 15:09:25,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:25,670 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:25,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:25,670 INFO L85 PathProgramCache]: Analyzing trace with hash -553136197, now seen corresponding path program 35 times [2022-03-15 15:09:25,670 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:25,670 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922901347] [2022-03-15 15:09:25,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:25,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:25,895 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:25,895 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922901347] [2022-03-15 15:09:25,895 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922901347] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:25,895 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903664221] [2022-03-15 15:09:25,895 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-15 15:09:25,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:25,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:25,896 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 15:09:25,907 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 15:09:26,134 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-03-15 15:09:26,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:26,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:09:26,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:26,390 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 15:09:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:26,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:26,455 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903664221] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:26,455 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:26,455 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:09:26,455 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649639034] [2022-03-15 15:09:26,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:26,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:26,456 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:26,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:26,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:09:26,456 INFO L87 Difference]: Start difference. First operand 4195 states and 8297 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:27,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:27,274 INFO L93 Difference]: Finished difference Result 11319 states and 22445 transitions. [2022-03-15 15:09:27,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-15 15:09:27,274 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:27,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:27,287 INFO L225 Difference]: With dead ends: 11319 [2022-03-15 15:09:27,287 INFO L226 Difference]: Without dead ends: 11319 [2022-03-15 15:09:27,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=234, Invalid=1026, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:09:27,288 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1136 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:27,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1136 Valid, 1396 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:09:27,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11319 states. [2022-03-15 15:09:27,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11319 to 4193. [2022-03-15 15:09:27,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4193 states, 4179 states have (on average 1.9844460397224217) internal successors, (8293), 4192 states have internal predecessors, (8293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 8293 transitions. [2022-03-15 15:09:27,354 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 8293 transitions. Word has length 105 [2022-03-15 15:09:27,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:27,354 INFO L470 AbstractCegarLoop]: Abstraction has 4193 states and 8293 transitions. [2022-03-15 15:09:27,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:27,354 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 8293 transitions. [2022-03-15 15:09:27,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:27,355 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:27,355 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:27,372 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 15:09:27,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:27,556 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:27,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:27,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1466874549, now seen corresponding path program 36 times [2022-03-15 15:09:27,556 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:27,556 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339726586] [2022-03-15 15:09:27,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:27,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:27,783 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:27,784 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:27,784 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339726586] [2022-03-15 15:09:27,784 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339726586] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:27,784 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326370373] [2022-03-15 15:09:27,784 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-15 15:09:27,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:27,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:27,785 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 15:09:27,785 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 15:09:27,968 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-03-15 15:09:27,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:27,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:09:27,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:28,177 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 15:09:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:28,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:28,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326370373] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:28,281 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:28,281 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:09:28,282 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466819574] [2022-03-15 15:09:28,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:28,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:28,282 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:28,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:28,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:09:28,282 INFO L87 Difference]: Start difference. First operand 4193 states and 8293 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:28,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:28,642 INFO L93 Difference]: Finished difference Result 7323 states and 14496 transitions. [2022-03-15 15:09:28,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 15:09:28,642 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:28,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:28,650 INFO L225 Difference]: With dead ends: 7323 [2022-03-15 15:09:28,650 INFO L226 Difference]: Without dead ends: 7323 [2022-03-15 15:09:28,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:09:28,651 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 562 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:28,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [562 Valid, 1247 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 15:09:28,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7323 states. [2022-03-15 15:09:28,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7323 to 4177. [2022-03-15 15:09:28,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4177 states, 4163 states have (on average 1.9843862599087196) internal successors, (8261), 4176 states have internal predecessors, (8261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:28,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 8261 transitions. [2022-03-15 15:09:28,716 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 8261 transitions. Word has length 105 [2022-03-15 15:09:28,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:28,716 INFO L470 AbstractCegarLoop]: Abstraction has 4177 states and 8261 transitions. [2022-03-15 15:09:28,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:28,716 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 8261 transitions. [2022-03-15 15:09:28,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:28,717 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:28,717 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:28,734 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 15:09:28,918 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,SelfDestructingSolverStorable45 [2022-03-15 15:09:28,918 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:28,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:28,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1729425713, now seen corresponding path program 37 times [2022-03-15 15:09:28,919 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:28,919 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336323004] [2022-03-15 15:09:28,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:28,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:29,133 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:29,133 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:29,133 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336323004] [2022-03-15 15:09:29,134 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336323004] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:29,134 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696141852] [2022-03-15 15:09:29,134 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-15 15:09:29,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:29,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:29,135 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 15:09:29,136 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 15:09:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:29,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:09:29,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:29,568 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 15:09:29,633 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:29,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:29,633 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696141852] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:29,633 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:29,633 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:09:29,633 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953678899] [2022-03-15 15:09:29,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:29,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:29,634 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:29,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:29,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:09:29,634 INFO L87 Difference]: Start difference. First operand 4177 states and 8261 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:30,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:30,699 INFO L93 Difference]: Finished difference Result 13882 states and 27628 transitions. [2022-03-15 15:09:30,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:09:30,699 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:30,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:30,717 INFO L225 Difference]: With dead ends: 13882 [2022-03-15 15:09:30,717 INFO L226 Difference]: Without dead ends: 13882 [2022-03-15 15:09:30,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=329, Invalid=1477, Unknown=0, NotChecked=0, Total=1806 [2022-03-15 15:09:30,718 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1383 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:30,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1383 Valid, 1826 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:09:30,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13882 states. [2022-03-15 15:09:30,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13882 to 4189. [2022-03-15 15:09:30,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4189 states, 4175 states have (on average 1.984431137724551) internal successors, (8285), 4188 states have internal predecessors, (8285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 8285 transitions. [2022-03-15 15:09:30,806 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 8285 transitions. Word has length 105 [2022-03-15 15:09:30,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:30,807 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 8285 transitions. [2022-03-15 15:09:30,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:30,807 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 8285 transitions. [2022-03-15 15:09:30,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:30,808 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:30,808 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:30,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2022-03-15 15:09:31,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-03-15 15:09:31,009 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:31,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:31,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1665714967, now seen corresponding path program 38 times [2022-03-15 15:09:31,009 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:31,009 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446858848] [2022-03-15 15:09:31,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:31,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:31,255 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:31,255 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:31,255 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446858848] [2022-03-15 15:09:31,255 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446858848] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:31,255 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829565066] [2022-03-15 15:09:31,255 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 15:09:31,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:31,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:31,257 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 15:09:31,279 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 15:09:31,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 15:09:31,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:31,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:09:31,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:31,704 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 13 treesize of output 9 [2022-03-15 15:09:31,793 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:31,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:31,793 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829565066] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:31,793 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:31,793 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:09:31,794 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219591812] [2022-03-15 15:09:31,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:31,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:31,794 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:31,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:31,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:09:31,794 INFO L87 Difference]: Start difference. First operand 4189 states and 8285 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:32,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:32,503 INFO L93 Difference]: Finished difference Result 10772 states and 21389 transitions. [2022-03-15 15:09:32,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-15 15:09:32,507 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:32,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:32,522 INFO L225 Difference]: With dead ends: 10772 [2022-03-15 15:09:32,522 INFO L226 Difference]: Without dead ends: 10772 [2022-03-15 15:09:32,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=185, Invalid=807, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:09:32,523 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 1046 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1046 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:32,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1046 Valid, 1768 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 15:09:32,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10772 states. [2022-03-15 15:09:32,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10772 to 4195. [2022-03-15 15:09:32,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4195 states, 4181 states have (on average 1.9844534800287013) internal successors, (8297), 4194 states have internal predecessors, (8297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:32,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 4195 states and 8297 transitions. [2022-03-15 15:09:32,588 INFO L78 Accepts]: Start accepts. Automaton has 4195 states and 8297 transitions. Word has length 105 [2022-03-15 15:09:32,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:32,588 INFO L470 AbstractCegarLoop]: Abstraction has 4195 states and 8297 transitions. [2022-03-15 15:09:32,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:32,588 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 8297 transitions. [2022-03-15 15:09:32,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:32,589 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:32,589 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:32,606 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 15:09:32,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:32,790 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:32,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:32,790 INFO L85 PathProgramCache]: Analyzing trace with hash 583692235, now seen corresponding path program 39 times [2022-03-15 15:09:32,790 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:32,790 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883159352] [2022-03-15 15:09:32,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:32,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:32,979 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:32,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883159352] [2022-03-15 15:09:32,979 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883159352] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:32,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944861407] [2022-03-15 15:09:32,979 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 15:09:32,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:32,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:32,980 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 15:09:32,981 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 15:09:33,177 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-15 15:09:33,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:33,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:09:33,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:33,423 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 15:09:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:33,490 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:33,490 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944861407] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:33,490 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:33,490 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:09:33,491 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144327014] [2022-03-15 15:09:33,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:33,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:33,491 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:33,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:33,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:09:33,491 INFO L87 Difference]: Start difference. First operand 4195 states and 8297 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:34,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:34,622 INFO L93 Difference]: Finished difference Result 12067 states and 23941 transitions. [2022-03-15 15:09:34,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:09:34,622 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:34,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:34,635 INFO L225 Difference]: With dead ends: 12067 [2022-03-15 15:09:34,635 INFO L226 Difference]: Without dead ends: 12067 [2022-03-15 15:09:34,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=324, Invalid=1398, Unknown=0, NotChecked=0, Total=1722 [2022-03-15 15:09:34,636 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 1264 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 1909 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:34,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1264 Valid, 1909 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:09:34,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12067 states. [2022-03-15 15:09:34,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12067 to 4193. [2022-03-15 15:09:34,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4193 states, 4179 states have (on average 1.9844460397224217) internal successors, (8293), 4192 states have internal predecessors, (8293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 8293 transitions. [2022-03-15 15:09:34,704 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 8293 transitions. Word has length 105 [2022-03-15 15:09:34,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:34,704 INFO L470 AbstractCegarLoop]: Abstraction has 4193 states and 8293 transitions. [2022-03-15 15:09:34,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 8293 transitions. [2022-03-15 15:09:34,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:34,706 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:34,706 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:34,722 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 15:09:34,906 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,SelfDestructingSolverStorable48 [2022-03-15 15:09:34,906 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:34,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:34,907 INFO L85 PathProgramCache]: Analyzing trace with hash -653568441, now seen corresponding path program 40 times [2022-03-15 15:09:34,907 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:34,907 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922804676] [2022-03-15 15:09:34,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:34,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:35,103 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:35,103 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:35,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922804676] [2022-03-15 15:09:35,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922804676] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:35,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90209203] [2022-03-15 15:09:35,104 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-15 15:09:35,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:35,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:35,106 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:09:35,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-03-15 15:09:35,348 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-15 15:09:35,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:35,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-15 15:09:35,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:35,528 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 15:09:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:35,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:35,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90209203] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:35,565 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:35,565 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-03-15 15:09:35,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491666103] [2022-03-15 15:09:35,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:35,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 15:09:35,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:35,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 15:09:35,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-03-15 15:09:35,566 INFO L87 Difference]: Start difference. First operand 4193 states and 8293 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:36,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:36,588 INFO L93 Difference]: Finished difference Result 14687 states and 29157 transitions. [2022-03-15 15:09:36,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-15 15:09:36,588 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:36,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:36,605 INFO L225 Difference]: With dead ends: 14687 [2022-03-15 15:09:36,605 INFO L226 Difference]: Without dead ends: 14687 [2022-03-15 15:09:36,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=377, Invalid=1693, Unknown=0, NotChecked=0, Total=2070 [2022-03-15 15:09:36,606 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 1244 mSDsluCounter, 1751 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 2139 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:36,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1244 Valid, 2139 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:09:36,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14687 states. [2022-03-15 15:09:36,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14687 to 4183. [2022-03-15 15:09:36,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4183 states, 4169 states have (on average 1.984408731110578) internal successors, (8273), 4182 states have internal predecessors, (8273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:36,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 4183 states and 8273 transitions. [2022-03-15 15:09:36,678 INFO L78 Accepts]: Start accepts. Automaton has 4183 states and 8273 transitions. Word has length 105 [2022-03-15 15:09:36,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:36,678 INFO L470 AbstractCegarLoop]: Abstraction has 4183 states and 8273 transitions. [2022-03-15 15:09:36,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:36,678 INFO L276 IsEmpty]: Start isEmpty. Operand 4183 states and 8273 transitions. [2022-03-15 15:09:36,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:36,680 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:36,680 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:36,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-03-15 15:09:36,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2022-03-15 15:09:36,881 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:36,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:36,882 INFO L85 PathProgramCache]: Analyzing trace with hash 937596017, now seen corresponding path program 41 times [2022-03-15 15:09:36,882 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:36,882 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087742395] [2022-03-15 15:09:36,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:36,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:37,098 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:37,098 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087742395] [2022-03-15 15:09:37,098 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087742395] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:37,098 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:37,098 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 15:09:37,098 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792108670] [2022-03-15 15:09:37,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:37,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:37,099 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:37,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:37,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:09:37,099 INFO L87 Difference]: Start difference. First operand 4183 states and 8273 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:38,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:38,169 INFO L93 Difference]: Finished difference Result 10889 states and 21642 transitions. [2022-03-15 15:09:38,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-15 15:09:38,170 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:38,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:38,182 INFO L225 Difference]: With dead ends: 10889 [2022-03-15 15:09:38,182 INFO L226 Difference]: Without dead ends: 10889 [2022-03-15 15:09:38,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=695, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:09:38,182 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 1446 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1446 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:38,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1446 Valid, 1376 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:09:38,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10889 states. [2022-03-15 15:09:38,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10889 to 4191. [2022-03-15 15:09:38,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4191 states, 4177 states have (on average 1.984438592291118) internal successors, (8289), 4190 states have internal predecessors, (8289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:38,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 4191 states and 8289 transitions. [2022-03-15 15:09:38,271 INFO L78 Accepts]: Start accepts. Automaton has 4191 states and 8289 transitions. Word has length 105 [2022-03-15 15:09:38,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:38,272 INFO L470 AbstractCegarLoop]: Abstraction has 4191 states and 8289 transitions. [2022-03-15 15:09:38,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:38,272 INFO L276 IsEmpty]: Start isEmpty. Operand 4191 states and 8289 transitions. [2022-03-15 15:09:38,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:38,274 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:38,274 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:38,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-15 15:09:38,274 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:38,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:38,275 INFO L85 PathProgramCache]: Analyzing trace with hash 938800753, now seen corresponding path program 42 times [2022-03-15 15:09:38,275 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:38,275 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154225027] [2022-03-15 15:09:38,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:38,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:38,544 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:38,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:38,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154225027] [2022-03-15 15:09:38,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154225027] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:38,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572514900] [2022-03-15 15:09:38,545 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-15 15:09:38,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:38,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:38,548 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:09:38,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-03-15 15:09:38,776 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-03-15 15:09:38,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:38,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:09:38,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:39,051 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-15 15:09:39,101 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:39,101 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:39,101 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572514900] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:39,101 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:39,101 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:09:39,101 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407116023] [2022-03-15 15:09:39,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:39,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:39,101 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:39,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:39,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:09:39,102 INFO L87 Difference]: Start difference. First operand 4191 states and 8289 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:39,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:39,754 INFO L93 Difference]: Finished difference Result 10097 states and 20044 transitions. [2022-03-15 15:09:39,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-15 15:09:39,754 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:39,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:39,766 INFO L225 Difference]: With dead ends: 10097 [2022-03-15 15:09:39,766 INFO L226 Difference]: Without dead ends: 10097 [2022-03-15 15:09:39,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=203, Invalid=853, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 15:09:39,767 INFO L933 BasicCegarLoop]: 281 mSDtfsCounter, 914 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:39,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [914 Valid, 1561 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 15:09:39,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10097 states. [2022-03-15 15:09:39,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10097 to 4189. [2022-03-15 15:09:39,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4189 states, 4175 states have (on average 1.984431137724551) internal successors, (8285), 4188 states have internal predecessors, (8285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 8285 transitions. [2022-03-15 15:09:39,829 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 8285 transitions. Word has length 105 [2022-03-15 15:09:39,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:39,829 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 8285 transitions. [2022-03-15 15:09:39,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:39,829 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 8285 transitions. [2022-03-15 15:09:39,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:39,831 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:39,831 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:39,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-03-15 15:09:40,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:40,031 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:40,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:40,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1763543315, now seen corresponding path program 43 times [2022-03-15 15:09:40,032 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:40,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628218152] [2022-03-15 15:09:40,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:40,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:40,270 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:40,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628218152] [2022-03-15 15:09:40,270 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628218152] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:40,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957656666] [2022-03-15 15:09:40,270 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-15 15:09:40,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:40,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:40,271 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:09:40,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-03-15 15:09:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:40,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:09:40,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:40,753 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 15:09:40,832 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:40,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:40,832 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957656666] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:40,832 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:40,832 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:09:40,832 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935034483] [2022-03-15 15:09:40,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:40,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:40,833 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:40,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:40,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:09:40,833 INFO L87 Difference]: Start difference. First operand 4189 states and 8285 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:41,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:41,321 INFO L93 Difference]: Finished difference Result 9641 states and 19132 transitions. [2022-03-15 15:09:41,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 15:09:41,322 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:41,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:41,331 INFO L225 Difference]: With dead ends: 9641 [2022-03-15 15:09:41,331 INFO L226 Difference]: Without dead ends: 9641 [2022-03-15 15:09:41,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:09:41,331 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 676 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:41,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [676 Valid, 1530 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 15:09:41,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9641 states. [2022-03-15 15:09:41,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9641 to 4186. [2022-03-15 15:09:41,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4186 states, 4172 states have (on average 1.9844199424736337) internal successors, (8279), 4185 states have internal predecessors, (8279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:41,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4186 states to 4186 states and 8279 transitions. [2022-03-15 15:09:41,380 INFO L78 Accepts]: Start accepts. Automaton has 4186 states and 8279 transitions. Word has length 105 [2022-03-15 15:09:41,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:41,381 INFO L470 AbstractCegarLoop]: Abstraction has 4186 states and 8279 transitions. [2022-03-15 15:09:41,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:41,381 INFO L276 IsEmpty]: Start isEmpty. Operand 4186 states and 8279 transitions. [2022-03-15 15:09:41,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-03-15 15:09:41,382 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:41,382 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:41,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2022-03-15 15:09:41,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:41,583 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:41,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:41,583 INFO L85 PathProgramCache]: Analyzing trace with hash -996901355, now seen corresponding path program 44 times [2022-03-15 15:09:41,583 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:41,583 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109697666] [2022-03-15 15:09:41,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:41,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-15 15:09:41,749 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:41,749 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109697666] [2022-03-15 15:09:41,749 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109697666] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:41,749 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312869424] [2022-03-15 15:09:41,749 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 15:09:41,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:41,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:41,752 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:09:41,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-03-15 15:09:41,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 15:09:41,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:41,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-15 15:09:41,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:42,143 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 15:09:42,245 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:42,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:09:42,245 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312869424] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:42,246 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:09:42,246 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-03-15 15:09:42,246 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107151810] [2022-03-15 15:09:42,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:42,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:42,246 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:42,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:42,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-03-15 15:09:42,246 INFO L87 Difference]: Start difference. First operand 4186 states and 8279 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:42,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:42,616 INFO L93 Difference]: Finished difference Result 8229 states and 16346 transitions. [2022-03-15 15:09:42,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 15:09:42,616 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-03-15 15:09:42,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:42,624 INFO L225 Difference]: With dead ends: 8229 [2022-03-15 15:09:42,624 INFO L226 Difference]: Without dead ends: 8229 [2022-03-15 15:09:42,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=530, Unknown=0, NotChecked=0, Total=650 [2022-03-15 15:09:42,624 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 682 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:42,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [682 Valid, 1293 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 15:09:42,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2022-03-15 15:09:42,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 4243. [2022-03-15 15:09:42,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4243 states, 4229 states have (on average 1.9846299361551194) internal successors, (8393), 4242 states have internal predecessors, (8393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:42,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 8393 transitions. [2022-03-15 15:09:42,670 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 8393 transitions. Word has length 105 [2022-03-15 15:09:42,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:42,670 INFO L470 AbstractCegarLoop]: Abstraction has 4243 states and 8393 transitions. [2022-03-15 15:09:42,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:42,670 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 8393 transitions. [2022-03-15 15:09:42,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-03-15 15:09:42,671 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:42,671 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:42,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-03-15 15:09:42,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:42,872 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:42,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:42,872 INFO L85 PathProgramCache]: Analyzing trace with hash -2116267346, now seen corresponding path program 1 times [2022-03-15 15:09:42,872 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:42,872 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931957765] [2022-03-15 15:09:42,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:42,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:42,905 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:42,905 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931957765] [2022-03-15 15:09:42,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931957765] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:42,905 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444180196] [2022-03-15 15:09:42,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:42,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:42,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:42,906 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:09:42,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-03-15 15:09:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:43,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-15 15:09:43,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:43,271 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:43,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 15:09:43,397 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:43,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444180196] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 15:09:43,397 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 15:09:43,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-15 15:09:43,397 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373926484] [2022-03-15 15:09:43,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 15:09:43,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:09:43,397 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:43,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:09:43,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:09:43,398 INFO L87 Difference]: Start difference. First operand 4243 states and 8393 transitions. Second operand has 10 states, 10 states have (on average 12.3) internal successors, (123), 10 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:43,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:43,455 INFO L93 Difference]: Finished difference Result 7439 states and 14753 transitions. [2022-03-15 15:09:43,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 15:09:43,455 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.3) internal successors, (123), 10 states have internal predecessors, (123), 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 108 [2022-03-15 15:09:43,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:43,463 INFO L225 Difference]: With dead ends: 7439 [2022-03-15 15:09:43,463 INFO L226 Difference]: Without dead ends: 7439 [2022-03-15 15:09:43,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-15 15:09:43,464 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 700 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:43,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [700 Valid, 876 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:09:43,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7439 states. [2022-03-15 15:09:43,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7439 to 7162. [2022-03-15 15:09:43,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7162 states, 7148 states have (on average 2.010912143256855) internal successors, (14374), 7161 states have internal predecessors, (14374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7162 states to 7162 states and 14374 transitions. [2022-03-15 15:09:43,551 INFO L78 Accepts]: Start accepts. Automaton has 7162 states and 14374 transitions. Word has length 108 [2022-03-15 15:09:43,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:43,551 INFO L470 AbstractCegarLoop]: Abstraction has 7162 states and 14374 transitions. [2022-03-15 15:09:43,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.3) internal successors, (123), 10 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:43,551 INFO L276 IsEmpty]: Start isEmpty. Operand 7162 states and 14374 transitions. [2022-03-15 15:09:43,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-15 15:09:43,553 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:43,553 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:43,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2022-03-15 15:09:43,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2022-03-15 15:09:43,753 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:43,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:43,754 INFO L85 PathProgramCache]: Analyzing trace with hash -502562751, now seen corresponding path program 1 times [2022-03-15 15:09:43,754 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:43,754 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127050557] [2022-03-15 15:09:43,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:43,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:43,812 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-03-15 15:09:43,813 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:43,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127050557] [2022-03-15 15:09:43,813 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127050557] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:43,813 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:43,813 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:43,813 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083811286] [2022-03-15 15:09:43,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:43,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:43,813 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:43,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:43,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:43,814 INFO L87 Difference]: Start difference. First operand 7162 states and 14374 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 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 15:09:44,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:44,024 INFO L93 Difference]: Finished difference Result 8006 states and 16072 transitions. [2022-03-15 15:09:44,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:44,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 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 114 [2022-03-15 15:09:44,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:44,035 INFO L225 Difference]: With dead ends: 8006 [2022-03-15 15:09:44,035 INFO L226 Difference]: Without dead ends: 7476 [2022-03-15 15:09:44,035 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 15:09:44,036 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 184 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:44,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 558 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:09:44,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7476 states. [2022-03-15 15:09:44,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7476 to 6816. [2022-03-15 15:09:44,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6816 states, 6803 states have (on average 2.01264148169925) internal successors, (13692), 6815 states have internal predecessors, (13692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:44,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6816 states to 6816 states and 13692 transitions. [2022-03-15 15:09:44,102 INFO L78 Accepts]: Start accepts. Automaton has 6816 states and 13692 transitions. Word has length 114 [2022-03-15 15:09:44,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:44,103 INFO L470 AbstractCegarLoop]: Abstraction has 6816 states and 13692 transitions. [2022-03-15 15:09:44,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 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 15:09:44,103 INFO L276 IsEmpty]: Start isEmpty. Operand 6816 states and 13692 transitions. [2022-03-15 15:09:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-15 15:09:44,105 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:44,105 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:44,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-15 15:09:44,105 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:44,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:44,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1642661824, now seen corresponding path program 1 times [2022-03-15 15:09:44,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:44,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139836458] [2022-03-15 15:09:44,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:44,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:44,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:44,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139836458] [2022-03-15 15:09:44,364 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139836458] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:44,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379997633] [2022-03-15 15:09:44,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:44,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:44,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:44,365 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:09:44,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-03-15 15:09:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:44,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 37 conjunts are in the unsatisfiable core [2022-03-15 15:09:44,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:45,367 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 15:09:45,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:45,398 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 15:09:45,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:45,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:45,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:45,459 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 15:09:45,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:45,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:45,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:45,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:45,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:45,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:45,511 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 15:09:45,690 INFO L353 Elim1Store]: treesize reduction 204, result has 14.6 percent of original size [2022-03-15 15:09:45,690 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 15:09:45,726 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:45,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 15:09:46,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:09:46,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:09:46,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:09:46,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:09:46,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:09:46,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:09:46,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:09:46,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:09:46,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:09:47,081 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:47,081 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379997633] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 15:09:47,081 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 15:09:47,081 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 14] total 40 [2022-03-15 15:09:47,081 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748540869] [2022-03-15 15:09:47,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 15:09:47,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-03-15 15:09:47,082 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:47,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-03-15 15:09:47,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1441, Unknown=0, NotChecked=0, Total=1640 [2022-03-15 15:09:47,082 INFO L87 Difference]: Start difference. First operand 6816 states and 13692 transitions. Second operand has 41 states, 40 states have (on average 5.875) internal successors, (235), 41 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:53,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:53,777 INFO L93 Difference]: Finished difference Result 16581 states and 33229 transitions. [2022-03-15 15:09:53,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-03-15 15:09:53,778 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 5.875) internal successors, (235), 41 states have internal predecessors, (235), 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 134 [2022-03-15 15:09:53,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:53,801 INFO L225 Difference]: With dead ends: 16581 [2022-03-15 15:09:53,802 INFO L226 Difference]: Without dead ends: 16581 [2022-03-15 15:09:53,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 4087 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=2170, Invalid=10940, Unknown=0, NotChecked=0, Total=13110 [2022-03-15 15:09:53,803 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 2439 mSDsluCounter, 4307 mSDsCounter, 0 mSdLazyCounter, 3667 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 4689 SdHoareTripleChecker+Invalid, 4753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 3667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 973 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:53,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2439 Valid, 4689 Invalid, 4753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 3667 Invalid, 0 Unknown, 973 Unchecked, 2.0s Time] [2022-03-15 15:09:53,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16581 states. [2022-03-15 15:09:53,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16581 to 7950. [2022-03-15 15:09:53,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7950 states, 7937 states have (on average 2.020536726722943) internal successors, (16037), 7949 states have internal predecessors, (16037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:53,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7950 states to 7950 states and 16037 transitions. [2022-03-15 15:09:53,963 INFO L78 Accepts]: Start accepts. Automaton has 7950 states and 16037 transitions. Word has length 134 [2022-03-15 15:09:53,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:53,963 INFO L470 AbstractCegarLoop]: Abstraction has 7950 states and 16037 transitions. [2022-03-15 15:09:53,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 5.875) internal successors, (235), 41 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:53,964 INFO L276 IsEmpty]: Start isEmpty. Operand 7950 states and 16037 transitions. [2022-03-15 15:09:53,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-15 15:09:53,968 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:53,968 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:53,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2022-03-15 15:09:54,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2022-03-15 15:09:54,184 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:09:54,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:54,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1608674352, now seen corresponding path program 2 times [2022-03-15 15:09:54,185 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:54,185 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724947610] [2022-03-15 15:09:54,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:54,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:54,408 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:54,408 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:54,408 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724947610] [2022-03-15 15:09:54,408 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724947610] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:09:54,408 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163506898] [2022-03-15 15:09:54,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 15:09:54,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:09:54,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:54,409 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:09:54,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-03-15 15:09:54,713 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 15:09:54,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:09:54,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 33 conjunts are in the unsatisfiable core [2022-03-15 15:09:54,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:09:55,046 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 15:09:55,107 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 11 treesize of output 7 [2022-03-15 15:09:55,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:55,135 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 15:09:55,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:55,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:55,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:55,169 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 15:09:55,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:55,213 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 15:09:55,213 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 19 treesize of output 7 [2022-03-15 15:09:55,313 INFO L353 Elim1Store]: treesize reduction 158, result has 14.1 percent of original size [2022-03-15 15:09:55,313 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 44 treesize of output 49 [2022-03-15 15:09:55,349 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-03-15 15:09:55,350 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 15:09:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:55,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 15:09:58,777 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 15 treesize of output 13 [2022-03-15 15:09:58,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:09:58,779 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 8 treesize of output 4 [2022-03-15 15:09:58,784 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 15 treesize of output 13 [2022-03-15 15:09:58,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:09:58,789 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 15 treesize of output 13 [2022-03-15 15:09:58,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:09:58,791 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 8 treesize of output 4 [2022-03-15 15:09:59,161 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:09:59,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163506898] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 15:09:59,161 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 15:09:59,161 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 16] total 40 [2022-03-15 15:09:59,161 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928378353] [2022-03-15 15:09:59,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 15:09:59,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-03-15 15:09:59,162 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:59,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-03-15 15:09:59,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1448, Unknown=3, NotChecked=0, Total=1640 [2022-03-15 15:09:59,163 INFO L87 Difference]: Start difference. First operand 7950 states and 16037 transitions. Second operand has 41 states, 40 states have (on average 5.225) internal successors, (209), 41 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:33,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:33,093 INFO L93 Difference]: Finished difference Result 16381 states and 32852 transitions. [2022-03-15 15:10:33,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-03-15 15:10:33,093 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 5.225) internal successors, (209), 41 states have internal predecessors, (209), 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 134 [2022-03-15 15:10:33,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:33,120 INFO L225 Difference]: With dead ends: 16381 [2022-03-15 15:10:33,120 INFO L226 Difference]: Without dead ends: 16381 [2022-03-15 15:10:33,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 255 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3322 ImplicationChecksByTransitivity, 35.2s TimeCoverageRelationStatistics Valid=1701, Invalid=9399, Unknown=30, NotChecked=0, Total=11130 [2022-03-15 15:10:33,122 INFO L933 BasicCegarLoop]: 438 mSDtfsCounter, 2715 mSDsluCounter, 4747 mSDsCounter, 0 mSdLazyCounter, 4266 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2715 SdHoareTripleChecker+Valid, 5185 SdHoareTripleChecker+Invalid, 5313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 4266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 751 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:33,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2715 Valid, 5185 Invalid, 5313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 4266 Invalid, 0 Unknown, 751 Unchecked, 2.1s Time] [2022-03-15 15:10:33,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16381 states. [2022-03-15 15:10:33,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16381 to 7661. [2022-03-15 15:10:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7661 states, 7648 states have (on average 2.0164748953974896) internal successors, (15422), 7660 states have internal predecessors, (15422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:33,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7661 states to 7661 states and 15422 transitions. [2022-03-15 15:10:33,315 INFO L78 Accepts]: Start accepts. Automaton has 7661 states and 15422 transitions. Word has length 134 [2022-03-15 15:10:33,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:33,315 INFO L470 AbstractCegarLoop]: Abstraction has 7661 states and 15422 transitions. [2022-03-15 15:10:33,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 5.225) internal successors, (209), 41 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:33,315 INFO L276 IsEmpty]: Start isEmpty. Operand 7661 states and 15422 transitions. [2022-03-15 15:10:33,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-15 15:10:33,319 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:33,319 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:33,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-03-15 15:10:33,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2022-03-15 15:10:33,519 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:10:33,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:33,520 INFO L85 PathProgramCache]: Analyzing trace with hash 730557632, now seen corresponding path program 1 times [2022-03-15 15:10:33,520 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:33,520 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768483558] [2022-03-15 15:10:33,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:33,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:33,807 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:10:33,807 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:33,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768483558] [2022-03-15 15:10:33,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768483558] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:10:33,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814111939] [2022-03-15 15:10:33,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:33,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:10:33,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:10:33,809 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:10:33,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-03-15 15:10:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:34,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-15 15:10:34,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:10:34,981 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 15:10:35,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,022 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 15:10:35,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,076 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 15:10:35,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,140 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 15:10:35,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:35,224 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 50 treesize of output 58 [2022-03-15 15:10:35,266 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:10:35,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 15:10:35,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:35,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:35,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:35,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:35,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:35,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:35,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:35,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:35,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:36,460 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:10:36,460 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814111939] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 15:10:36,460 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 15:10:36,460 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 14] total 41 [2022-03-15 15:10:36,460 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664309628] [2022-03-15 15:10:36,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 15:10:36,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-03-15 15:10:36,461 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:36,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-03-15 15:10:36,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1509, Unknown=0, NotChecked=0, Total=1722 [2022-03-15 15:10:36,462 INFO L87 Difference]: Start difference. First operand 7661 states and 15422 transitions. Second operand has 42 states, 41 states have (on average 5.7317073170731705) internal successors, (235), 42 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:41,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:41,268 INFO L93 Difference]: Finished difference Result 17047 states and 34127 transitions. [2022-03-15 15:10:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-03-15 15:10:41,269 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 5.7317073170731705) internal successors, (235), 42 states have internal predecessors, (235), 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 134 [2022-03-15 15:10:41,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:41,295 INFO L225 Difference]: With dead ends: 17047 [2022-03-15 15:10:41,295 INFO L226 Difference]: Without dead ends: 17047 [2022-03-15 15:10:41,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3238 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1746, Invalid=8760, Unknown=0, NotChecked=0, Total=10506 [2022-03-15 15:10:41,297 INFO L933 BasicCegarLoop]: 353 mSDtfsCounter, 2923 mSDsluCounter, 4061 mSDsCounter, 0 mSdLazyCounter, 4174 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2923 SdHoareTripleChecker+Valid, 4413 SdHoareTripleChecker+Invalid, 4983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 4174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 416 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:41,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2923 Valid, 4413 Invalid, 4983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 4174 Invalid, 0 Unknown, 416 Unchecked, 2.2s Time] [2022-03-15 15:10:41,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17047 states. [2022-03-15 15:10:41,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17047 to 7813. [2022-03-15 15:10:41,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7813 states, 7800 states have (on average 2.0175641025641027) internal successors, (15737), 7812 states have internal predecessors, (15737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:41,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7813 states to 7813 states and 15737 transitions. [2022-03-15 15:10:41,457 INFO L78 Accepts]: Start accepts. Automaton has 7813 states and 15737 transitions. Word has length 134 [2022-03-15 15:10:41,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:41,458 INFO L470 AbstractCegarLoop]: Abstraction has 7813 states and 15737 transitions. [2022-03-15 15:10:41,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 5.7317073170731705) internal successors, (235), 42 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:41,458 INFO L276 IsEmpty]: Start isEmpty. Operand 7813 states and 15737 transitions. [2022-03-15 15:10:41,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-15 15:10:41,462 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:41,463 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:41,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-03-15 15:10:41,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2022-03-15 15:10:41,675 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:10:41,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:41,676 INFO L85 PathProgramCache]: Analyzing trace with hash -784951032, now seen corresponding path program 1 times [2022-03-15 15:10:41,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:41,676 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989613563] [2022-03-15 15:10:41,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:41,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:42,169 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:10:42,169 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:42,169 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989613563] [2022-03-15 15:10:42,169 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989613563] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:10:42,169 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049589850] [2022-03-15 15:10:42,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:42,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:10:42,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:10:42,170 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:10:42,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-03-15 15:10:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:42,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-15 15:10:42,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:10:43,035 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 15:10:43,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,082 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 15:10:43,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,134 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 15:10:43,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,199 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 15:10:43,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,313 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 15:10:43,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,342 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 15:10:43,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,380 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 15:10:43,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:43,415 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 15:10:43,591 INFO L353 Elim1Store]: treesize reduction 328, result has 13.2 percent of original size [2022-03-15 15:10:43,591 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 68 treesize of output 79 [2022-03-15 15:10:46,011 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:10:46,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 15:10:47,858 INFO L353 Elim1Store]: treesize reduction 167, result has 18.9 percent of original size [2022-03-15 15:10:47,858 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 4 case distinctions, treesize of input 3787 treesize of output 3802 [2022-03-15 15:10:47,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:10:47,979 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 59 treesize of output 49 [2022-03-15 15:10:48,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:48,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:48,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:48,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:48,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:48,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:48,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 15:10:48,009 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2022-03-15 15:10:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:10:50,649 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049589850] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 15:10:50,649 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 15:10:50,649 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 17] total 44 [2022-03-15 15:10:50,649 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900276455] [2022-03-15 15:10:50,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 15:10:50,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-03-15 15:10:50,649 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:50,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-03-15 15:10:50,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1741, Unknown=2, NotChecked=0, Total=1980 [2022-03-15 15:10:50,650 INFO L87 Difference]: Start difference. First operand 7813 states and 15737 transitions. Second operand has 45 states, 44 states have (on average 5.340909090909091) internal successors, (235), 45 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:02,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:02,921 INFO L93 Difference]: Finished difference Result 15940 states and 31983 transitions. [2022-03-15 15:11:02,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 15:11:02,921 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 5.340909090909091) internal successors, (235), 45 states have internal predecessors, (235), 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 134 [2022-03-15 15:11:02,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:02,944 INFO L225 Difference]: With dead ends: 15940 [2022-03-15 15:11:02,945 INFO L226 Difference]: Without dead ends: 15940 [2022-03-15 15:11:02,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 258 SyntacticMatches, 2 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2502 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=1400, Invalid=7148, Unknown=8, NotChecked=0, Total=8556 [2022-03-15 15:11:02,946 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 2740 mSDsluCounter, 3917 mSDsCounter, 0 mSdLazyCounter, 3968 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2740 SdHoareTripleChecker+Valid, 4260 SdHoareTripleChecker+Invalid, 5240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 3968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 983 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:02,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2740 Valid, 4260 Invalid, 5240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 3968 Invalid, 0 Unknown, 983 Unchecked, 2.1s Time] [2022-03-15 15:11:02,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15940 states. [2022-03-15 15:11:03,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15940 to 7852. [2022-03-15 15:11:03,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7852 states, 7839 states have (on average 2.01734915167751) internal successors, (15814), 7851 states have internal predecessors, (15814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7852 states to 7852 states and 15814 transitions. [2022-03-15 15:11:03,118 INFO L78 Accepts]: Start accepts. Automaton has 7852 states and 15814 transitions. Word has length 134 [2022-03-15 15:11:03,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:03,118 INFO L470 AbstractCegarLoop]: Abstraction has 7852 states and 15814 transitions. [2022-03-15 15:11:03,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 5.340909090909091) internal successors, (235), 45 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:03,118 INFO L276 IsEmpty]: Start isEmpty. Operand 7852 states and 15814 transitions. [2022-03-15 15:11:03,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-15 15:11:03,122 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:03,122 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:03,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2022-03-15 15:11:03,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:11:03,323 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:11:03,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:03,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1191355971, now seen corresponding path program 1 times [2022-03-15 15:11:03,324 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:03,324 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584768868] [2022-03-15 15:11:03,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:03,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:11:03,537 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:03,537 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584768868] [2022-03-15 15:11:03,537 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584768868] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:11:03,537 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822078590] [2022-03-15 15:11:03,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:03,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:11:03,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:11:03,540 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:11:03,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-03-15 15:11:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:03,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-15 15:11:03,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:11:04,707 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 15:11:04,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:04,750 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 23 treesize of output 22 [2022-03-15 15:11:04,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:04,782 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 15:11:04,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:04,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:04,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:04,824 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 15:11:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:04,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:04,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:04,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:04,863 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 15:11:04,896 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:11:04,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 15:11:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:11:05,396 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822078590] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 15:11:05,396 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 15:11:05,396 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 14] total 38 [2022-03-15 15:11:05,396 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905495148] [2022-03-15 15:11:05,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 15:11:05,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-03-15 15:11:05,396 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:05,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-03-15 15:11:05,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1317, Unknown=0, NotChecked=0, Total=1482 [2022-03-15 15:11:05,397 INFO L87 Difference]: Start difference. First operand 7852 states and 15814 transitions. Second operand has 39 states, 38 states have (on average 6.105263157894737) internal successors, (232), 39 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:12,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:12,816 INFO L93 Difference]: Finished difference Result 16896 states and 33831 transitions. [2022-03-15 15:11:12,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-03-15 15:11:12,821 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 6.105263157894737) internal successors, (232), 39 states have internal predecessors, (232), 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 134 [2022-03-15 15:11:12,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:12,841 INFO L225 Difference]: With dead ends: 16896 [2022-03-15 15:11:12,841 INFO L226 Difference]: Without dead ends: 16896 [2022-03-15 15:11:12,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 245 SyntacticMatches, 3 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6791 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=3450, Invalid=16572, Unknown=0, NotChecked=0, Total=20022 [2022-03-15 15:11:12,843 INFO L933 BasicCegarLoop]: 413 mSDtfsCounter, 2341 mSDsluCounter, 7084 mSDsCounter, 0 mSdLazyCounter, 7581 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2341 SdHoareTripleChecker+Valid, 7493 SdHoareTripleChecker+Invalid, 8330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 7581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 404 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:12,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2341 Valid, 7493 Invalid, 8330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 7581 Invalid, 0 Unknown, 404 Unchecked, 3.5s Time] [2022-03-15 15:11:12,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16896 states. [2022-03-15 15:11:12,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16896 to 7787. [2022-03-15 15:11:12,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7787 states, 7774 states have (on average 2.016722408026756) internal successors, (15678), 7786 states have internal predecessors, (15678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:12,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7787 states to 7787 states and 15678 transitions. [2022-03-15 15:11:12,966 INFO L78 Accepts]: Start accepts. Automaton has 7787 states and 15678 transitions. Word has length 134 [2022-03-15 15:11:12,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:12,967 INFO L470 AbstractCegarLoop]: Abstraction has 7787 states and 15678 transitions. [2022-03-15 15:11:12,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 6.105263157894737) internal successors, (232), 39 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 7787 states and 15678 transitions. [2022-03-15 15:11:12,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-15 15:11:12,969 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:12,970 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:12,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-03-15 15:11:13,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2022-03-15 15:11:13,170 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:11:13,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:13,171 INFO L85 PathProgramCache]: Analyzing trace with hash 2115207624, now seen corresponding path program 2 times [2022-03-15 15:11:13,171 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:13,171 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222776278] [2022-03-15 15:11:13,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:13,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:13,634 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:11:13,634 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:13,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222776278] [2022-03-15 15:11:13,634 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222776278] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:11:13,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392249613] [2022-03-15 15:11:13,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 15:11:13,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:11:13,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:11:13,642 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:11:13,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-03-15 15:11:13,958 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 15:11:13,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:11:13,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 56 conjunts are in the unsatisfiable core [2022-03-15 15:11:13,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:11:14,763 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 15:11:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:14,865 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 15:11:14,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:14,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:14,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:14,906 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 15:11:14,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:14,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:14,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:14,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:14,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:14,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:14,967 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 15:11:15,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,027 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 15:11:15,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,055 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 15:11:15,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,094 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 15:11:15,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,125 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 15:11:15,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:15,226 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 50 treesize of output 58 [2022-03-15 15:11:15,259 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:11:15,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 15:11:17,732 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int)) (or (not (<= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|)) (and (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse1 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2))) (select (select (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) .cse1 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse1)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse3 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3))) (select (select (let ((.cse2 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) .cse3 0)))) (store .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse3)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (select (select (let ((.cse4 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse6 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1))) (select (select (let ((.cse5 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6)) 0))))) is different from false [2022-03-15 15:11:18,351 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 235 trivial. 1 not checked. [2022-03-15 15:11:18,351 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392249613] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 15:11:18,351 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 15:11:18,351 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 15] total 42 [2022-03-15 15:11:18,351 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447922582] [2022-03-15 15:11:18,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 15:11:18,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-03-15 15:11:18,352 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:18,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-03-15 15:11:18,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1534, Unknown=1, NotChecked=80, Total=1806 [2022-03-15 15:11:18,353 INFO L87 Difference]: Start difference. First operand 7787 states and 15678 transitions. Second operand has 43 states, 42 states have (on average 5.595238095238095) internal successors, (235), 43 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:21,624 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0) (= |c_ULTIMATE.start_main_~i~2#1| 0) (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (= |c_~#cache~0.base| 1) (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int)) (or (not (<= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|)) (and (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse1 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2))) (select (select (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) .cse1 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse1)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse3 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3))) (select (select (let ((.cse2 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) .cse3 0)))) (store .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse3)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (select (select (let ((.cse4 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse6 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1))) (select (select (let ((.cse5 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6)) 0))))) (<= 1 (div |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| 28)) (<= 1 |c_t_funThread1of1ForFork0_~i~0#1|) (= |c_~#cache~0.base| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base|) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| 1) (= |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|) (= |c_~#cache~0.offset| 0) (<= 0 |c_t_funThread1of1ForFork0_~i~0#1|) (= |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| |c_~#cache~0.offset|) (= |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 0) (= |c_~#cache~0.base| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|)) is different from false [2022-03-15 15:11:24,383 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0) (= |c_ULTIMATE.start_main_~i~2#1| 0) (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (= |c_~#cache~0.base| 1) (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int)) (or (not (<= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|)) (and (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse1 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2))) (select (select (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) .cse1 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse1)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse3 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3))) (select (select (let ((.cse2 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) .cse3 0)))) (store .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse3)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (select (select (let ((.cse4 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse6 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1))) (select (select (let ((.cse5 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6)) 0))))) (<= 1 (div |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| 28)) (<= 1 |c_t_funThread1of1ForFork0_~i~0#1|) (= |c_~#cache~0.base| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base|) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| 1) (= |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|) (= |c_~#cache~0.offset| 0) (<= 0 |c_t_funThread1of1ForFork0_~i~0#1|) (= |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| |c_~#cache~0.offset|) (= |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 0) (= |c_~#cache~0.base| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (<= 0 |c_t_funThread1of1ForFork0_#t~post34#1|)) is different from false [2022-03-15 15:11:27,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:27,581 INFO L93 Difference]: Finished difference Result 25428 states and 50901 transitions. [2022-03-15 15:11:27,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-03-15 15:11:27,582 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 5.595238095238095) internal successors, (235), 43 states have internal predecessors, (235), 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 134 [2022-03-15 15:11:27,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:27,620 INFO L225 Difference]: With dead ends: 25428 [2022-03-15 15:11:27,621 INFO L226 Difference]: Without dead ends: 25428 [2022-03-15 15:11:27,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 258 SyntacticMatches, 3 SemanticMatches, 120 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 4239 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=2122, Invalid=11929, Unknown=3, NotChecked=708, Total=14762 [2022-03-15 15:11:27,622 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 3151 mSDsluCounter, 6621 mSDsCounter, 0 mSdLazyCounter, 6093 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 7089 SdHoareTripleChecker+Invalid, 9907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 6093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3623 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:27,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3151 Valid, 7089 Invalid, 9907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 6093 Invalid, 0 Unknown, 3623 Unchecked, 3.0s Time] [2022-03-15 15:11:27,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25428 states. [2022-03-15 15:11:27,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25428 to 7928. [2022-03-15 15:11:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7928 states, 7915 states have (on average 2.0169298799747315) internal successors, (15964), 7927 states have internal predecessors, (15964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:27,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7928 states to 7928 states and 15964 transitions. [2022-03-15 15:11:27,833 INFO L78 Accepts]: Start accepts. Automaton has 7928 states and 15964 transitions. Word has length 134 [2022-03-15 15:11:27,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:27,833 INFO L470 AbstractCegarLoop]: Abstraction has 7928 states and 15964 transitions. [2022-03-15 15:11:27,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 5.595238095238095) internal successors, (235), 43 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:27,833 INFO L276 IsEmpty]: Start isEmpty. Operand 7928 states and 15964 transitions. [2022-03-15 15:11:27,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-03-15 15:11:27,837 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:27,837 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:27,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2022-03-15 15:11:28,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:11:28,042 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-03-15 15:11:28,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:28,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1383721042, now seen corresponding path program 3 times [2022-03-15 15:11:28,043 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:28,043 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295487494] [2022-03-15 15:11:28,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:28,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:28,502 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:11:28,502 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:28,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295487494] [2022-03-15 15:11:28,502 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295487494] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:11:28,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088542944] [2022-03-15 15:11:28,502 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 15:11:28,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:11:28,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:11:28,505 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:11:28,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-03-15 15:11:28,829 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-15 15:11:28,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:11:28,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 58 conjunts are in the unsatisfiable core [2022-03-15 15:11:28,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:11:29,620 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 15:11:29,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,721 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 15:11:29,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,768 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 15:11:29,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,824 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 15:11:29,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,846 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 15:11:29,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,910 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 15:11:29,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,941 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 15:11:29,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:29,970 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 15:11:30,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 15:11:30,168 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 88 [2022-03-15 15:11:36,258 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-15 15:11:36,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 15:11:55,838 INFO L353 Elim1Store]: treesize reduction 167, result has 18.9 percent of original size [2022-03-15 15:11:55,839 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 4 case distinctions, treesize of input 45069 treesize of output 45061 [2022-03-15 15:11:57,357 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-15 15:11:57,358 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 38008 treesize of output 38000 [2022-03-15 15:11:57,536 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-03-15 15:11:57,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-03-15 15:11:57,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2022-03-15 15:11:57,738 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Should have been eliminated by DER at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:113) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:353) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:184) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:154) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:142) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:126) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:110) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:95) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:90) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:904) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:865) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:783) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:425) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-03-15 15:11:57,742 INFO L158 Benchmark]: Toolchain (without parser) took 218688.61ms. Allocated memory was 170.9MB in the beginning and 626.0MB in the end (delta: 455.1MB). Free memory was 121.1MB in the beginning and 538.8MB in the end (delta: -417.7MB). Peak memory consumption was 386.0MB. Max. memory is 8.0GB. [2022-03-15 15:11:57,742 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 170.9MB. Free memory was 139.0MB in the beginning and 138.9MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 15:11:57,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.33ms. Allocated memory is still 170.9MB. Free memory was 120.9MB in the beginning and 133.9MB in the end (delta: -13.0MB). Peak memory consumption was 17.1MB. Max. memory is 8.0GB. [2022-03-15 15:11:57,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.03ms. Allocated memory is still 170.9MB. Free memory was 133.9MB in the beginning and 130.9MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 15:11:57,742 INFO L158 Benchmark]: Boogie Preprocessor took 56.47ms. Allocated memory is still 170.9MB. Free memory was 130.9MB in the beginning and 128.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 15:11:57,742 INFO L158 Benchmark]: RCFGBuilder took 416.03ms. Allocated memory is still 170.9MB. Free memory was 128.8MB in the beginning and 113.1MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-03-15 15:11:57,742 INFO L158 Benchmark]: TraceAbstraction took 217615.81ms. Allocated memory was 170.9MB in the beginning and 626.0MB in the end (delta: 455.1MB). Free memory was 112.5MB in the beginning and 538.8MB in the end (delta: -426.3MB). Peak memory consumption was 377.3MB. Max. memory is 8.0GB. [2022-03-15 15:11:57,743 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 170.9MB. Free memory was 139.0MB in the beginning and 138.9MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 523.33ms. Allocated memory is still 170.9MB. Free memory was 120.9MB in the beginning and 133.9MB in the end (delta: -13.0MB). Peak memory consumption was 17.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 72.03ms. Allocated memory is still 170.9MB. Free memory was 133.9MB in the beginning and 130.9MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.47ms. Allocated memory is still 170.9MB. Free memory was 130.9MB in the beginning and 128.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 416.03ms. Allocated memory is still 170.9MB. Free memory was 128.8MB in the beginning and 113.1MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 217615.81ms. Allocated memory was 170.9MB in the beginning and 626.0MB in the end (delta: 455.1MB). Free memory was 112.5MB in the beginning and 538.8MB in the end (delta: -426.3MB). Peak memory consumption was 377.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Should have been eliminated by DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Should have been eliminated by DER: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:113) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-03-15 15:11:57,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...