/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-?-bc289cb [2022-01-28 14:15:29,996 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-01-28 14:15:30,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 14:15:30,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 14:15:30,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 14:15:30,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 14:15:30,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 14:15:30,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 14:15:30,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 14:15:30,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 14:15:30,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 14:15:30,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 14:15:30,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 14:15:30,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 14:15:30,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-28 14:15:30,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 14:15:30,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 14:15:30,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 14:15:30,092 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 [2022-01-28 14:15:30,122 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 14:15:30,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 14:15:30,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 14:15:30,123 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 14:15:30,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 14:15:30,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 14:15:30,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 14:15:30,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 14:15:30,125 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 14:15:30,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 14:15:30,126 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 14:15:30,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 14:15:30,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 14:15:30,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 14:15:30,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 14:15:30,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 14:15:30,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 14:15:30,127 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 14:15:30,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 14:15:30,127 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 14:15:30,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 14:15:30,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 14:15:30,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 14:15:30,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 14:15:30,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 14:15:30,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 14:15:30,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 14:15:30,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 14:15:30,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 14:15:30,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 14:15:30,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 14:15:30,130 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 14:15:30,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 14:15:30,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-01-28 14:15:30,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 14:15:30,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 14:15:30,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 14:15:30,399 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 14:15:30,400 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 14:15:30,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_03-funloop_simple.i [2022-01-28 14:15:30,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717006669/4375d43314bb4163b773099a1497ef25/FLAGf0c3081c4 [2022-01-28 14:15:30,902 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 14:15:30,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_03-funloop_simple.i [2022-01-28 14:15:30,937 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717006669/4375d43314bb4163b773099a1497ef25/FLAGf0c3081c4 [2022-01-28 14:15:31,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717006669/4375d43314bb4163b773099a1497ef25 [2022-01-28 14:15:31,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 14:15:31,445 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 14:15:31,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 14:15:31,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 14:15:31,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 14:15:31,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 02:15:31" (1/1) ... [2022-01-28 14:15:31,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef4cb10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:31, skipping insertion in model container [2022-01-28 14:15:31,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 02:15:31" (1/1) ... [2022-01-28 14:15:31,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 14:15:31,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 14:15:31,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 14:15:31,891 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 14:15:31,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 14:15:31,995 INFO L208 MainTranslator]: Completed translation [2022-01-28 14:15:31,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:31 WrapperNode [2022-01-28 14:15:31,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 14:15:31,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 14:15:31,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 14:15:31,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 14:15:32,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:31" (1/1) ... [2022-01-28 14:15:32,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:31" (1/1) ... [2022-01-28 14:15:32,063 INFO L137 Inliner]: procedures = 262, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2022-01-28 14:15:32,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 14:15:32,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 14:15:32,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 14:15:32,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 14:15:32,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:31" (1/1) ... [2022-01-28 14:15:32,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:31" (1/1) ... [2022-01-28 14:15:32,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:31" (1/1) ... [2022-01-28 14:15:32,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:31" (1/1) ... [2022-01-28 14:15:32,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:31" (1/1) ... [2022-01-28 14:15:32,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:31" (1/1) ... [2022-01-28 14:15:32,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:31" (1/1) ... [2022-01-28 14:15:32,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 14:15:32,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 14:15:32,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 14:15:32,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 14:15:32,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:31" (1/1) ... [2022-01-28 14:15:32,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 14:15:32,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:32,144 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) [2022-01-28 14:15:32,162 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 [2022-01-28 14:15:32,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 14:15:32,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 14:15:32,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-28 14:15:32,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 14:15:32,194 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-28 14:15:32,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 14:15:32,194 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-28 14:15:32,194 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-28 14:15:32,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 14:15:32,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 14:15:32,195 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 14:15:32,311 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 14:15:32,312 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 14:15:32,453 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 14:15:32,470 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 14:15:32,470 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-28 14:15:32,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 02:15:32 BoogieIcfgContainer [2022-01-28 14:15:32,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 14:15:32,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 14:15:32,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 14:15:32,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 14:15:32,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 02:15:31" (1/3) ... [2022-01-28 14:15:32,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd4006a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 02:15:32, skipping insertion in model container [2022-01-28 14:15:32,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:15:31" (2/3) ... [2022-01-28 14:15:32,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd4006a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 02:15:32, skipping insertion in model container [2022-01-28 14:15:32,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 02:15:32" (3/3) ... [2022-01-28 14:15:32,477 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_03-funloop_simple.i [2022-01-28 14:15:32,480 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 14:15:32,480 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 14:15:32,480 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-01-28 14:15:32,480 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 14:15:32,500 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,517 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 14:15:32,525 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-28 14:15:32,554 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 14:15:32,558 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, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-28 14:15:32,558 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-01-28 14:15:32,566 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 123 places, 125 transitions, 255 flow [2022-01-28 14:15:32,699 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) [2022-01-28 14:15:32,703 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) [2022-01-28 14:15:32,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-28 14:15:32,713 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:32,713 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] [2022-01-28 14:15:32,714 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)] === [2022-01-28 14:15:32,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:32,720 INFO L85 PathProgramCache]: Analyzing trace with hash 397060765, now seen corresponding path program 1 times [2022-01-28 14:15:32,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:32,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940623121] [2022-01-28 14:15:32,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:32,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:32,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:15:32,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:32,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940623121] [2022-01-28 14:15:32,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940623121] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:32,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:15:32,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 14:15:32,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721972685] [2022-01-28 14:15:32,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:32,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-28 14:15:32,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:32,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-28 14:15:32,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-28 14:15:32,926 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) [2022-01-28 14:15:32,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:32,969 INFO L93 Difference]: Finished difference Result 2213 states and 4404 transitions. [2022-01-28 14:15:32,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 14:15:32,971 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 [2022-01-28 14:15:32,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:32,994 INFO L225 Difference]: With dead ends: 2213 [2022-01-28 14:15:32,994 INFO L226 Difference]: Without dead ends: 2213 [2022-01-28 14:15:32,996 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 [2022-01-28 14:15:33,000 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 [2022-01-28 14:15:33,003 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] [2022-01-28 14:15:33,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2022-01-28 14:15:33,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2022-01-28 14:15:33,099 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) [2022-01-28 14:15:33,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 4404 transitions. [2022-01-28 14:15:33,105 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 4404 transitions. Word has length 29 [2022-01-28 14:15:33,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:33,106 INFO L470 AbstractCegarLoop]: Abstraction has 2213 states and 4404 transitions. [2022-01-28 14:15:33,106 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) [2022-01-28 14:15:33,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 4404 transitions. [2022-01-28 14:15:33,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-28 14:15:33,110 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:33,110 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] [2022-01-28 14:15:33,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 14:15:33,112 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)] === [2022-01-28 14:15:33,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:33,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1657093153, now seen corresponding path program 1 times [2022-01-28 14:15:33,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:33,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585813169] [2022-01-28 14:15:33,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:33,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:15:33,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:33,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585813169] [2022-01-28 14:15:33,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585813169] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:33,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:15:33,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 14:15:33,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000409011] [2022-01-28 14:15:33,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:33,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:15:33,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:33,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:15:33,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 14:15:33,191 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) [2022-01-28 14:15:33,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:33,213 INFO L93 Difference]: Finished difference Result 2217 states and 4408 transitions. [2022-01-28 14:15:33,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:15:33,216 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 [2022-01-28 14:15:33,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:33,222 INFO L225 Difference]: With dead ends: 2217 [2022-01-28 14:15:33,223 INFO L226 Difference]: Without dead ends: 2217 [2022-01-28 14:15:33,223 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 [2022-01-28 14:15:33,224 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 [2022-01-28 14:15:33,224 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] [2022-01-28 14:15:33,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2022-01-28 14:15:33,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2214. [2022-01-28 14:15:33,264 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) [2022-01-28 14:15:33,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 4405 transitions. [2022-01-28 14:15:33,282 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 4405 transitions. Word has length 29 [2022-01-28 14:15:33,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:33,282 INFO L470 AbstractCegarLoop]: Abstraction has 2214 states and 4405 transitions. [2022-01-28 14:15:33,282 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) [2022-01-28 14:15:33,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 4405 transitions. [2022-01-28 14:15:33,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-28 14:15:33,283 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:33,283 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] [2022-01-28 14:15:33,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 14:15:33,284 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)] === [2022-01-28 14:15:33,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:33,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1891473138, now seen corresponding path program 1 times [2022-01-28 14:15:33,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:33,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256527531] [2022-01-28 14:15:33,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:33,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:33,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:15:33,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:33,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256527531] [2022-01-28 14:15:33,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256527531] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:33,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213035835] [2022-01-28 14:15:33,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:33,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:33,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:33,363 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) [2022-01-28 14:15:33,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-28 14:15:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:33,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-28 14:15:33,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 14:15:33,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:15:33,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213035835] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:33,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:15:33,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-01-28 14:15:33,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611078845] [2022-01-28 14:15:33,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:33,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 14:15:33,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:33,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 14:15:33,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-28 14:15:33,560 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) [2022-01-28 14:15:33,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:33,603 INFO L93 Difference]: Finished difference Result 3324 states and 6625 transitions. [2022-01-28 14:15:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 14:15:33,604 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 [2022-01-28 14:15:33,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:33,613 INFO L225 Difference]: With dead ends: 3324 [2022-01-28 14:15:33,613 INFO L226 Difference]: Without dead ends: 3324 [2022-01-28 14:15:33,614 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 [2022-01-28 14:15:33,616 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 [2022-01-28 14:15:33,617 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] [2022-01-28 14:15:33,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2022-01-28 14:15:33,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 2251. [2022-01-28 14:15:33,652 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) [2022-01-28 14:15:33,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 4479 transitions. [2022-01-28 14:15:33,657 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 4479 transitions. Word has length 34 [2022-01-28 14:15:33,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:33,657 INFO L470 AbstractCegarLoop]: Abstraction has 2251 states and 4479 transitions. [2022-01-28 14:15:33,658 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) [2022-01-28 14:15:33,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 4479 transitions. [2022-01-28 14:15:33,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-01-28 14:15:33,662 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:33,662 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] [2022-01-28 14:15:33,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:33,879 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 [2022-01-28 14:15:33,879 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)] === [2022-01-28 14:15:33,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:33,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1317859348, now seen corresponding path program 1 times [2022-01-28 14:15:33,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:33,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712547116] [2022-01-28 14:15:33,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:33,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:15:33,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:33,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712547116] [2022-01-28 14:15:33,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712547116] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:33,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382865610] [2022-01-28 14:15:33,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:33,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:33,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:33,987 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) [2022-01-28 14:15:34,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-28 14:15:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:34,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-28 14:15:34,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:34,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:15:34,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 14:15:34,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:15:34,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382865610] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 14:15:34,214 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 14:15:34,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-28 14:15:34,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116986857] [2022-01-28 14:15:34,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 14:15:34,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:15:34,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:34,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:15:34,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-28 14:15:34,215 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) [2022-01-28 14:15:34,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:34,270 INFO L93 Difference]: Finished difference Result 2261 states and 4489 transitions. [2022-01-28 14:15:34,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 14:15:34,271 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 [2022-01-28 14:15:34,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:34,277 INFO L225 Difference]: With dead ends: 2261 [2022-01-28 14:15:34,277 INFO L226 Difference]: Without dead ends: 2261 [2022-01-28 14:15:34,277 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 [2022-01-28 14:15:34,278 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 [2022-01-28 14:15:34,278 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] [2022-01-28 14:15:34,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2261 states. [2022-01-28 14:15:34,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2261 to 2261. [2022-01-28 14:15:34,303 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) [2022-01-28 14:15:34,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 4489 transitions. [2022-01-28 14:15:34,308 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 4489 transitions. Word has length 40 [2022-01-28 14:15:34,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:34,309 INFO L470 AbstractCegarLoop]: Abstraction has 2261 states and 4489 transitions. [2022-01-28 14:15:34,309 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) [2022-01-28 14:15:34,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 4489 transitions. [2022-01-28 14:15:34,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-28 14:15:34,310 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:34,310 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] [2022-01-28 14:15:34,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:34,526 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 [2022-01-28 14:15:34,526 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)] === [2022-01-28 14:15:34,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:34,527 INFO L85 PathProgramCache]: Analyzing trace with hash -626594124, now seen corresponding path program 2 times [2022-01-28 14:15:34,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:34,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338339152] [2022-01-28 14:15:34,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:34,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:15:34,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:34,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338339152] [2022-01-28 14:15:34,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338339152] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:34,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034769291] [2022-01-28 14:15:34,643 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 14:15:34,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:34,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:34,664 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) [2022-01-28 14:15:34,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-28 14:15:34,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-28 14:15:34,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:15:34,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjunts are in the unsatisfiable core [2022-01-28 14:15:34,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:34,857 INFO L388 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 [2022-01-28 14:15:34,897 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-01-28 14:15:34,898 INFO L388 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 [2022-01-28 14:15:34,936 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-01-28 14:15:34,936 INFO L388 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 [2022-01-28 14:15:34,993 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-01-28 14:15:34,993 INFO L388 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 [2022-01-28 14:15:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-01-28 14:15:35,012 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:15:35,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034769291] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:35,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:15:35,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-01-28 14:15:35,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468554923] [2022-01-28 14:15:35,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:35,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 14:15:35,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:35,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 14:15:35,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-01-28 14:15:35,014 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) [2022-01-28 14:15:35,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:35,165 INFO L93 Difference]: Finished difference Result 2530 states and 5027 transitions. [2022-01-28 14:15:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 14:15:35,165 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 [2022-01-28 14:15:35,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:35,172 INFO L225 Difference]: With dead ends: 2530 [2022-01-28 14:15:35,173 INFO L226 Difference]: Without dead ends: 2530 [2022-01-28 14:15:35,173 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 [2022-01-28 14:15:35,173 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 124 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:35,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 470 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 14:15:35,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2022-01-28 14:15:35,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2394. [2022-01-28 14:15:35,227 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) [2022-01-28 14:15:35,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2394 states and 4755 transitions. [2022-01-28 14:15:35,233 INFO L78 Accepts]: Start accepts. Automaton has 2394 states and 4755 transitions. Word has length 50 [2022-01-28 14:15:35,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:35,234 INFO L470 AbstractCegarLoop]: Abstraction has 2394 states and 4755 transitions. [2022-01-28 14:15:35,234 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) [2022-01-28 14:15:35,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 4755 transitions. [2022-01-28 14:15:35,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-28 14:15:35,235 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:35,235 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] [2022-01-28 14:15:35,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:35,450 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 [2022-01-28 14:15:35,450 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)] === [2022-01-28 14:15:35,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:35,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1030322137, now seen corresponding path program 1 times [2022-01-28 14:15:35,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:35,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246918492] [2022-01-28 14:15:35,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:35,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:35,539 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:15:35,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:35,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246918492] [2022-01-28 14:15:35,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246918492] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:35,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327376902] [2022-01-28 14:15:35,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:35,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:35,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:35,541 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) [2022-01-28 14:15:35,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-28 14:15:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:35,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-28 14:15:35,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:35,697 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:15:35,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 14:15:35,803 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:15:35,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327376902] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 14:15:35,804 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 14:15:35,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-01-28 14:15:35,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668595190] [2022-01-28 14:15:35,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 14:15:35,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-01-28 14:15:35,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:35,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-01-28 14:15:35,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-01-28 14:15:35,805 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) [2022-01-28 14:15:35,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:35,936 INFO L93 Difference]: Finished difference Result 2414 states and 4775 transitions. [2022-01-28 14:15:35,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-28 14:15:35,936 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 [2022-01-28 14:15:35,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:35,944 INFO L225 Difference]: With dead ends: 2414 [2022-01-28 14:15:35,944 INFO L226 Difference]: Without dead ends: 2414 [2022-01-28 14:15:35,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-01-28 14:15:35,947 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 [2022-01-28 14:15:35,948 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] [2022-01-28 14:15:35,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2022-01-28 14:15:36,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2414. [2022-01-28 14:15:36,016 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) [2022-01-28 14:15:36,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 4775 transitions. [2022-01-28 14:15:36,022 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 4775 transitions. Word has length 50 [2022-01-28 14:15:36,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:36,023 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 4775 transitions. [2022-01-28 14:15:36,024 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) [2022-01-28 14:15:36,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 4775 transitions. [2022-01-28 14:15:36,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-01-28 14:15:36,025 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:36,025 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] [2022-01-28 14:15:36,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:36,244 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 [2022-01-28 14:15:36,244 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)] === [2022-01-28 14:15:36,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:36,245 INFO L85 PathProgramCache]: Analyzing trace with hash -461165209, now seen corresponding path program 2 times [2022-01-28 14:15:36,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:36,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144990730] [2022-01-28 14:15:36,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:36,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:15:36,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:36,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144990730] [2022-01-28 14:15:36,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144990730] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:36,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848360928] [2022-01-28 14:15:36,376 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 14:15:36,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:36,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:36,377 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) [2022-01-28 14:15:36,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-28 14:15:36,442 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-28 14:15:36,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:15:36,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 25 conjunts are in the unsatisfiable core [2022-01-28 14:15:36,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:36,584 INFO L388 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 [2022-01-28 14:15:36,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:36,608 INFO L388 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 [2022-01-28 14:15:36,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:36,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:36,639 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-28 14:15:36,639 INFO L388 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 [2022-01-28 14:15:36,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:36,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:36,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:36,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:36,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:36,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:36,674 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-28 14:15:36,674 INFO L388 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 [2022-01-28 14:15:36,696 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-01-28 14:15:36,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:15:36,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848360928] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:36,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:15:36,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 25 [2022-01-28 14:15:36,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141739282] [2022-01-28 14:15:36,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:36,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:15:36,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:36,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:15:36,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-01-28 14:15:36,697 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) [2022-01-28 14:15:37,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:37,187 INFO L93 Difference]: Finished difference Result 5208 states and 10363 transitions. [2022-01-28 14:15:37,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-28 14:15:37,187 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 [2022-01-28 14:15:37,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:37,202 INFO L225 Difference]: With dead ends: 5208 [2022-01-28 14:15:37,228 INFO L226 Difference]: Without dead ends: 5208 [2022-01-28 14:15:37,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=869, Unknown=0, NotChecked=0, Total=1056 [2022-01-28 14:15:37,228 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 777 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:37,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [777 Valid, 1156 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-28 14:15:37,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5208 states. [2022-01-28 14:15:37,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5208 to 3194. [2022-01-28 14:15:37,282 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) [2022-01-28 14:15:37,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 6335 transitions. [2022-01-28 14:15:37,288 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 6335 transitions. Word has length 70 [2022-01-28 14:15:37,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:37,288 INFO L470 AbstractCegarLoop]: Abstraction has 3194 states and 6335 transitions. [2022-01-28 14:15:37,288 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) [2022-01-28 14:15:37,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 6335 transitions. [2022-01-28 14:15:37,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-01-28 14:15:37,289 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:37,289 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] [2022-01-28 14:15:37,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:37,503 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 [2022-01-28 14:15:37,503 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)] === [2022-01-28 14:15:37,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:37,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1158747276, now seen corresponding path program 1 times [2022-01-28 14:15:37,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:37,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336523201] [2022-01-28 14:15:37,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:37,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:15:37,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:37,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336523201] [2022-01-28 14:15:37,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336523201] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:37,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737327739] [2022-01-28 14:15:37,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:37,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:37,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:37,629 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) [2022-01-28 14:15:37,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-28 14:15:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:37,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-28 14:15:37,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:15:37,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 14:15:37,969 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 14:15:37,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737327739] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 14:15:37,969 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 14:15:37,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-01-28 14:15:37,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861087179] [2022-01-28 14:15:37,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 14:15:37,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-01-28 14:15:37,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:37,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-01-28 14:15:37,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-01-28 14:15:37,970 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) [2022-01-28 14:15:38,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:38,178 INFO L93 Difference]: Finished difference Result 3209 states and 6350 transitions. [2022-01-28 14:15:38,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-28 14:15:38,178 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 [2022-01-28 14:15:38,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:38,184 INFO L225 Difference]: With dead ends: 3209 [2022-01-28 14:15:38,184 INFO L226 Difference]: Without dead ends: 3209 [2022-01-28 14:15:38,184 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 [2022-01-28 14:15:38,185 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, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:38,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 690 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:15:38,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3209 states. [2022-01-28 14:15:38,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3209 to 3209. [2022-01-28 14:15:38,221 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) [2022-01-28 14:15:38,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 3209 states and 6350 transitions. [2022-01-28 14:15:38,225 INFO L78 Accepts]: Start accepts. Automaton has 3209 states and 6350 transitions. Word has length 78 [2022-01-28 14:15:38,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:38,225 INFO L470 AbstractCegarLoop]: Abstraction has 3209 states and 6350 transitions. [2022-01-28 14:15:38,225 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) [2022-01-28 14:15:38,226 INFO L276 IsEmpty]: Start isEmpty. Operand 3209 states and 6350 transitions. [2022-01-28 14:15:38,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-01-28 14:15:38,226 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:38,226 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] [2022-01-28 14:15:38,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:38,442 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 [2022-01-28 14:15:38,443 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)] === [2022-01-28 14:15:38,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:38,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1991683229, now seen corresponding path program 2 times [2022-01-28 14:15:38,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:38,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311365447] [2022-01-28 14:15:38,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:38,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:38,541 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:15:38,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:38,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311365447] [2022-01-28 14:15:38,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311365447] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:38,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:15:38,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 14:15:38,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656475874] [2022-01-28 14:15:38,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:38,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 14:15:38,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:38,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 14:15:38,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-28 14:15:38,543 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) [2022-01-28 14:15:38,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:38,675 INFO L93 Difference]: Finished difference Result 3447 states and 6826 transitions. [2022-01-28 14:15:38,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 14:15:38,675 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 [2022-01-28 14:15:38,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:38,681 INFO L225 Difference]: With dead ends: 3447 [2022-01-28 14:15:38,681 INFO L226 Difference]: Without dead ends: 3447 [2022-01-28 14:15:38,681 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 [2022-01-28 14:15:38,682 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 [2022-01-28 14:15:38,682 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] [2022-01-28 14:15:38,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2022-01-28 14:15:38,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 3333. [2022-01-28 14:15:38,718 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) [2022-01-28 14:15:38,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3333 states to 3333 states and 6598 transitions. [2022-01-28 14:15:38,723 INFO L78 Accepts]: Start accepts. Automaton has 3333 states and 6598 transitions. Word has length 93 [2022-01-28 14:15:38,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:38,723 INFO L470 AbstractCegarLoop]: Abstraction has 3333 states and 6598 transitions. [2022-01-28 14:15:38,723 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) [2022-01-28 14:15:38,723 INFO L276 IsEmpty]: Start isEmpty. Operand 3333 states and 6598 transitions. [2022-01-28 14:15:38,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-01-28 14:15:38,724 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:38,724 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] [2022-01-28 14:15:38,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-28 14:15:38,724 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)] === [2022-01-28 14:15:38,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:38,725 INFO L85 PathProgramCache]: Analyzing trace with hash 698436477, now seen corresponding path program 1 times [2022-01-28 14:15:38,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:38,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848638099] [2022-01-28 14:15:38,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:38,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:15:38,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:38,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848638099] [2022-01-28 14:15:38,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848638099] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:38,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:15:38,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 14:15:38,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619275822] [2022-01-28 14:15:38,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:38,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 14:15:38,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:38,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 14:15:38,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-28 14:15:38,792 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) [2022-01-28 14:15:39,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:39,112 INFO L93 Difference]: Finished difference Result 3744 states and 7420 transitions. [2022-01-28 14:15:39,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 14:15:39,112 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 [2022-01-28 14:15:39,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:39,123 INFO L225 Difference]: With dead ends: 3744 [2022-01-28 14:15:39,123 INFO L226 Difference]: Without dead ends: 3744 [2022-01-28 14:15:39,123 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 [2022-01-28 14:15:39,123 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 [2022-01-28 14:15:39,124 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] [2022-01-28 14:15:39,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2022-01-28 14:15:39,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3555. [2022-01-28 14:15:39,164 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) [2022-01-28 14:15:39,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3555 states and 7042 transitions. [2022-01-28 14:15:39,169 INFO L78 Accepts]: Start accepts. Automaton has 3555 states and 7042 transitions. Word has length 93 [2022-01-28 14:15:39,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:39,169 INFO L470 AbstractCegarLoop]: Abstraction has 3555 states and 7042 transitions. [2022-01-28 14:15:39,169 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) [2022-01-28 14:15:39,169 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 7042 transitions. [2022-01-28 14:15:39,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:15:39,171 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:39,171 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] [2022-01-28 14:15:39,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-28 14:15:39,171 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)] === [2022-01-28 14:15:39,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:39,171 INFO L85 PathProgramCache]: Analyzing trace with hash 2140772307, now seen corresponding path program 1 times [2022-01-28 14:15:39,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:39,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20340975] [2022-01-28 14:15:39,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:39,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:15:39,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:39,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20340975] [2022-01-28 14:15:39,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20340975] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:39,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819812824] [2022-01-28 14:15:39,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:39,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:39,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:39,624 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) [2022-01-28 14:15:39,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-28 14:15:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:39,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:15:39,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:39,999 INFO L388 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 [2022-01-28 14:15:40,072 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:15:40,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:15:40,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819812824] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:40,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:15:40,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:15:40,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281972332] [2022-01-28 14:15:40,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:40,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:15:40,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:40,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:15:40,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:15:40,075 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) [2022-01-28 14:15:41,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:41,201 INFO L93 Difference]: Finished difference Result 9805 states and 19499 transitions. [2022-01-28 14:15:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-28 14:15:41,202 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 [2022-01-28 14:15:41,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:41,219 INFO L225 Difference]: With dead ends: 9805 [2022-01-28 14:15:41,219 INFO L226 Difference]: Without dead ends: 9805 [2022-01-28 14:15:41,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=287, Invalid=1693, Unknown=0, NotChecked=0, Total=1980 [2022-01-28 14:15:41,253 INFO L933 BasicCegarLoop]: 271 mSDtfsCounter, 1262 mSDsluCounter, 1166 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1262 SdHoareTripleChecker+Valid, 1436 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:41,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1262 Valid, 1436 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 14:15:41,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9805 states. [2022-01-28 14:15:41,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9805 to 3709. [2022-01-28 14:15:41,320 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) [2022-01-28 14:15:41,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3709 states to 3709 states and 7312 transitions. [2022-01-28 14:15:41,326 INFO L78 Accepts]: Start accepts. Automaton has 3709 states and 7312 transitions. Word has length 105 [2022-01-28 14:15:41,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:41,326 INFO L470 AbstractCegarLoop]: Abstraction has 3709 states and 7312 transitions. [2022-01-28 14:15:41,326 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) [2022-01-28 14:15:41,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3709 states and 7312 transitions. [2022-01-28 14:15:41,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:15:41,329 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:41,329 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] [2022-01-28 14:15:41,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:41,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:41,547 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)] === [2022-01-28 14:15:41,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:41,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1254368373, now seen corresponding path program 2 times [2022-01-28 14:15:41,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:41,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084739899] [2022-01-28 14:15:41,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:41,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:41,928 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:15:41,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:41,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084739899] [2022-01-28 14:15:41,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084739899] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:41,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136950312] [2022-01-28 14:15:41,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 14:15:41,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:41,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:41,943 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) [2022-01-28 14:15:41,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-28 14:15:42,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-28 14:15:42,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:15:42,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:15:42,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:42,326 INFO L388 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 [2022-01-28 14:15:42,424 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:15:42,424 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:15:42,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136950312] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:42,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:15:42,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:15:42,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542399155] [2022-01-28 14:15:42,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:42,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:15:42,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:42,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:15:42,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:15:42,426 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) [2022-01-28 14:15:43,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:43,155 INFO L93 Difference]: Finished difference Result 10742 states and 21354 transitions. [2022-01-28 14:15:43,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-28 14:15:43,155 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 [2022-01-28 14:15:43,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:43,176 INFO L225 Difference]: With dead ends: 10742 [2022-01-28 14:15:43,176 INFO L226 Difference]: Without dead ends: 10742 [2022-01-28 14:15:43,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=170, Invalid=1090, Unknown=0, NotChecked=0, Total=1260 [2022-01-28 14:15:43,177 INFO L933 BasicCegarLoop]: 300 mSDtfsCounter, 1000 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:43,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1000 Valid, 1653 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-28 14:15:43,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10742 states. [2022-01-28 14:15:43,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10742 to 3753. [2022-01-28 14:15:43,264 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) [2022-01-28 14:15:43,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 7400 transitions. [2022-01-28 14:15:43,270 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 7400 transitions. Word has length 105 [2022-01-28 14:15:43,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:43,270 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 7400 transitions. [2022-01-28 14:15:43,270 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) [2022-01-28 14:15:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 7400 transitions. [2022-01-28 14:15:43,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:15:43,274 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:43,274 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] [2022-01-28 14:15:43,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:43,497 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,SelfDestructingSolverStorable11 [2022-01-28 14:15:43,498 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)] === [2022-01-28 14:15:43,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:43,498 INFO L85 PathProgramCache]: Analyzing trace with hash 995038829, now seen corresponding path program 3 times [2022-01-28 14:15:43,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:43,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461939554] [2022-01-28 14:15:43,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:43,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:43,860 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:15:43,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:43,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461939554] [2022-01-28 14:15:43,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461939554] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:43,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265828022] [2022-01-28 14:15:43,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-28 14:15:43,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:43,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:43,862 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) [2022-01-28 14:15:43,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-28 14:15:43,951 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-28 14:15:43,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:15:43,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:15:43,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:44,293 INFO L388 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 [2022-01-28 14:15:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:15:44,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:15:44,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265828022] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:44,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:15:44,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:15:44,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882892972] [2022-01-28 14:15:44,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:44,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:15:44,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:44,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:15:44,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:15:44,361 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) [2022-01-28 14:15:45,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:45,478 INFO L93 Difference]: Finished difference Result 12037 states and 23906 transitions. [2022-01-28 14:15:45,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-28 14:15:45,478 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 [2022-01-28 14:15:45,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:45,499 INFO L225 Difference]: With dead ends: 12037 [2022-01-28 14:15:45,500 INFO L226 Difference]: Without dead ends: 12037 [2022-01-28 14:15:45,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=274, Invalid=1706, Unknown=0, NotChecked=0, Total=1980 [2022-01-28 14:15:45,501 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 1205 mSDsluCounter, 1559 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1205 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:45,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1205 Valid, 1890 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-28 14:15:45,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12037 states. [2022-01-28 14:15:45,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12037 to 3753. [2022-01-28 14:15:45,586 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) [2022-01-28 14:15:45,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 7400 transitions. [2022-01-28 14:15:45,591 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 7400 transitions. Word has length 105 [2022-01-28 14:15:45,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:45,591 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 7400 transitions. [2022-01-28 14:15:45,592 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) [2022-01-28 14:15:45,592 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 7400 transitions. [2022-01-28 14:15:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:15:45,593 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:45,594 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] [2022-01-28 14:15:45,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:45,820 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,SelfDestructingSolverStorable12 [2022-01-28 14:15:45,820 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)] === [2022-01-28 14:15:45,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:45,821 INFO L85 PathProgramCache]: Analyzing trace with hash -242221847, now seen corresponding path program 4 times [2022-01-28 14:15:45,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:45,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354556999] [2022-01-28 14:15:45,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:45,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:46,131 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:15:46,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:46,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354556999] [2022-01-28 14:15:46,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354556999] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:46,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94774891] [2022-01-28 14:15:46,132 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-28 14:15:46,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:46,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:46,148 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) [2022-01-28 14:15:46,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-01-28 14:15:46,316 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-28 14:15:46,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:15:46,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-01-28 14:15:46,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:46,527 INFO L388 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 [2022-01-28 14:15:46,566 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:15:46,567 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:15:46,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94774891] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:46,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:15:46,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 25 [2022-01-28 14:15:46,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013920067] [2022-01-28 14:15:46,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:46,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 14:15:46,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:46,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 14:15:46,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2022-01-28 14:15:46,568 INFO L87 Difference]: Start difference. First operand 3753 states and 7400 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) [2022-01-28 14:15:47,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:47,647 INFO L93 Difference]: Finished difference Result 12719 states and 25241 transitions. [2022-01-28 14:15:47,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-28 14:15:47,648 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 [2022-01-28 14:15:47,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:47,675 INFO L225 Difference]: With dead ends: 12719 [2022-01-28 14:15:47,675 INFO L226 Difference]: Without dead ends: 12719 [2022-01-28 14:15:47,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=316, Invalid=1940, Unknown=0, NotChecked=0, Total=2256 [2022-01-28 14:15:47,677 INFO L933 BasicCegarLoop]: 360 mSDtfsCounter, 1157 mSDsluCounter, 1636 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 1995 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:47,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1157 Valid, 1995 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 14:15:47,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12719 states. [2022-01-28 14:15:47,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12719 to 3753. [2022-01-28 14:15:47,819 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) [2022-01-28 14:15:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 7400 transitions. [2022-01-28 14:15:47,826 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 7400 transitions. Word has length 105 [2022-01-28 14:15:47,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:47,827 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 7400 transitions. [2022-01-28 14:15:47,827 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) [2022-01-28 14:15:47,827 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 7400 transitions. [2022-01-28 14:15:47,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:15:47,829 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:47,829 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] [2022-01-28 14:15:47,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:48,054 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,SelfDestructingSolverStorable13 [2022-01-28 14:15:48,055 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)] === [2022-01-28 14:15:48,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:48,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1512891989, now seen corresponding path program 5 times [2022-01-28 14:15:48,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:48,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059961387] [2022-01-28 14:15:48,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:48,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:48,169 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:15:48,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:48,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059961387] [2022-01-28 14:15:48,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059961387] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:48,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716645316] [2022-01-28 14:15:48,170 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-28 14:15:48,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:48,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:48,171 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) [2022-01-28 14:15:48,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-01-28 14:15:48,295 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-01-28 14:15:48,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:15:48,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:15:48,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:48,504 INFO L388 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 [2022-01-28 14:15:48,590 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:15:48,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:15:48,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716645316] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:48,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:15:48,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2022-01-28 14:15:48,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92553181] [2022-01-28 14:15:48,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:48,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:15:48,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:48,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:15:48,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2022-01-28 14:15:48,592 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) [2022-01-28 14:15:49,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:49,352 INFO L93 Difference]: Finished difference Result 12372 states and 24614 transitions. [2022-01-28 14:15:49,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-28 14:15:49,353 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 [2022-01-28 14:15:49,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:49,413 INFO L225 Difference]: With dead ends: 12372 [2022-01-28 14:15:49,414 INFO L226 Difference]: Without dead ends: 12372 [2022-01-28 14:15:49,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2022-01-28 14:15:49,414 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 1049 mSDsluCounter, 1597 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1049 SdHoareTripleChecker+Valid, 1923 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:49,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1049 Valid, 1923 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 14:15:49,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12372 states. [2022-01-28 14:15:49,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12372 to 3765. [2022-01-28 14:15:49,481 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) [2022-01-28 14:15:49,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 7424 transitions. [2022-01-28 14:15:49,487 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 7424 transitions. Word has length 105 [2022-01-28 14:15:49,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:49,487 INFO L470 AbstractCegarLoop]: Abstraction has 3765 states and 7424 transitions. [2022-01-28 14:15:49,487 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) [2022-01-28 14:15:49,487 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 7424 transitions. [2022-01-28 14:15:49,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:15:49,489 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:49,489 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] [2022-01-28 14:15:49,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:49,704 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,SelfDestructingSolverStorable14 [2022-01-28 14:15:49,704 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)] === [2022-01-28 14:15:49,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:49,704 INFO L85 PathProgramCache]: Analyzing trace with hash 329331063, now seen corresponding path program 6 times [2022-01-28 14:15:49,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:49,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276497080] [2022-01-28 14:15:49,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:49,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:50,017 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:15:50,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:50,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276497080] [2022-01-28 14:15:50,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276497080] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:50,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706482137] [2022-01-28 14:15:50,018 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-28 14:15:50,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:50,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:50,027 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) [2022-01-28 14:15:50,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-01-28 14:15:50,124 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-01-28 14:15:50,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:15:50,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:15:50,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:50,437 INFO L388 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 [2022-01-28 14:15:50,502 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:15:50,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:15:50,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706482137] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:50,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:15:50,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:15:50,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632652086] [2022-01-28 14:15:50,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:50,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:15:50,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:50,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:15:50,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:15:50,503 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) [2022-01-28 14:15:51,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:51,681 INFO L93 Difference]: Finished difference Result 13667 states and 27166 transitions. [2022-01-28 14:15:51,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-28 14:15:51,681 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 [2022-01-28 14:15:51,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:51,702 INFO L225 Difference]: With dead ends: 13667 [2022-01-28 14:15:51,702 INFO L226 Difference]: Without dead ends: 13667 [2022-01-28 14:15:51,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=326, Invalid=2026, Unknown=0, NotChecked=0, Total=2352 [2022-01-28 14:15:51,704 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 1612 mSDsluCounter, 1396 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 1718 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 [2022-01-28 14:15:51,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1612 Valid, 1718 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 14:15:51,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13667 states. [2022-01-28 14:15:51,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13667 to 3763. [2022-01-28 14:15:51,799 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) [2022-01-28 14:15:51,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3763 states and 7420 transitions. [2022-01-28 14:15:51,805 INFO L78 Accepts]: Start accepts. Automaton has 3763 states and 7420 transitions. Word has length 105 [2022-01-28 14:15:51,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:51,805 INFO L470 AbstractCegarLoop]: Abstraction has 3763 states and 7420 transitions. [2022-01-28 14:15:51,805 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) [2022-01-28 14:15:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 7420 transitions. [2022-01-28 14:15:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:15:51,807 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:51,807 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] [2022-01-28 14:15:51,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:52,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-01-28 14:15:52,036 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)] === [2022-01-28 14:15:52,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:52,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1169606955, now seen corresponding path program 7 times [2022-01-28 14:15:52,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:52,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500578142] [2022-01-28 14:15:52,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:52,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:15:52,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:52,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500578142] [2022-01-28 14:15:52,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500578142] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:52,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491535489] [2022-01-28 14:15:52,265 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-28 14:15:52,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:52,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:52,266 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) [2022-01-28 14:15:52,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-01-28 14:15:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:52,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:15:52,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:52,636 INFO L388 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 [2022-01-28 14:15:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:15:52,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:15:52,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491535489] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:52,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:15:52,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-01-28 14:15:52,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79151009] [2022-01-28 14:15:52,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:52,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:15:52,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:52,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:15:52,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-01-28 14:15:52,677 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) [2022-01-28 14:15:53,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:53,483 INFO L93 Difference]: Finished difference Result 11599 states and 23011 transitions. [2022-01-28 14:15:53,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-28 14:15:53,483 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 [2022-01-28 14:15:53,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:53,498 INFO L225 Difference]: With dead ends: 11599 [2022-01-28 14:15:53,499 INFO L226 Difference]: Without dead ends: 11599 [2022-01-28 14:15:53,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=328, Invalid=1478, Unknown=0, NotChecked=0, Total=1806 [2022-01-28 14:15:53,507 INFO L933 BasicCegarLoop]: 352 mSDtfsCounter, 1224 mSDsluCounter, 1663 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 2014 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:53,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1224 Valid, 2014 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1284 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-28 14:15:53,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11599 states. [2022-01-28 14:15:53,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11599 to 3759. [2022-01-28 14:15:53,705 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) [2022-01-28 14:15:53,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3759 states and 7412 transitions. [2022-01-28 14:15:53,711 INFO L78 Accepts]: Start accepts. Automaton has 3759 states and 7412 transitions. Word has length 105 [2022-01-28 14:15:53,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:53,711 INFO L470 AbstractCegarLoop]: Abstraction has 3759 states and 7412 transitions. [2022-01-28 14:15:53,711 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) [2022-01-28 14:15:53,711 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 7412 transitions. [2022-01-28 14:15:53,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:15:53,713 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:53,713 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] [2022-01-28 14:15:53,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:53,914 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,SelfDestructingSolverStorable16 [2022-01-28 14:15:53,914 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)] === [2022-01-28 14:15:53,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:53,914 INFO L85 PathProgramCache]: Analyzing trace with hash -250583287, now seen corresponding path program 8 times [2022-01-28 14:15:53,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:53,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596578361] [2022-01-28 14:15:53,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:53,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:54,022 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:15:54,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:54,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596578361] [2022-01-28 14:15:54,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596578361] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:54,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47083503] [2022-01-28 14:15:54,023 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 14:15:54,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:54,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:54,024 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) [2022-01-28 14:15:54,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-01-28 14:15:54,098 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-28 14:15:54,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:15:54,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:15:54,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:54,269 INFO L388 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 [2022-01-28 14:15:54,350 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:15:54,350 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:15:54,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47083503] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:54,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:15:54,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2022-01-28 14:15:54,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394310303] [2022-01-28 14:15:54,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:54,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:15:54,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:54,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:15:54,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2022-01-28 14:15:54,352 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) [2022-01-28 14:15:54,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:54,891 INFO L93 Difference]: Finished difference Result 10658 states and 21186 transitions. [2022-01-28 14:15:54,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 14:15:54,891 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 [2022-01-28 14:15:54,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:54,907 INFO L225 Difference]: With dead ends: 10658 [2022-01-28 14:15:54,907 INFO L226 Difference]: Without dead ends: 10658 [2022-01-28 14:15:54,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=189, Invalid=623, Unknown=0, NotChecked=0, Total=812 [2022-01-28 14:15:54,912 INFO L933 BasicCegarLoop]: 301 mSDtfsCounter, 880 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 1632 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:54,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [880 Valid, 1632 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 983 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-28 14:15:54,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10658 states. [2022-01-28 14:15:55,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10658 to 3764. [2022-01-28 14:15:55,089 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) [2022-01-28 14:15:55,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3764 states to 3764 states and 7422 transitions. [2022-01-28 14:15:55,093 INFO L78 Accepts]: Start accepts. Automaton has 3764 states and 7422 transitions. Word has length 105 [2022-01-28 14:15:55,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:55,094 INFO L470 AbstractCegarLoop]: Abstraction has 3764 states and 7422 transitions. [2022-01-28 14:15:55,094 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) [2022-01-28 14:15:55,094 INFO L276 IsEmpty]: Start isEmpty. Operand 3764 states and 7422 transitions. [2022-01-28 14:15:55,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:15:55,095 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:55,095 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] [2022-01-28 14:15:55,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:55,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:55,310 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)] === [2022-01-28 14:15:55,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:55,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1591639765, now seen corresponding path program 9 times [2022-01-28 14:15:55,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:55,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780453664] [2022-01-28 14:15:55,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:55,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:55,402 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:15:55,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:55,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780453664] [2022-01-28 14:15:55,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780453664] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:55,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290141947] [2022-01-28 14:15:55,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-28 14:15:55,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:55,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:55,404 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) [2022-01-28 14:15:55,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-01-28 14:15:55,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-28 14:15:55,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:15:55,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:15:55,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:55,811 INFO L388 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 [2022-01-28 14:15:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:15:55,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:15:55,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290141947] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:55,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:15:55,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2022-01-28 14:15:55,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478793695] [2022-01-28 14:15:55,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:55,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:15:55,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:55,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:15:55,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2022-01-28 14:15:55,876 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) [2022-01-28 14:15:56,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:56,656 INFO L93 Difference]: Finished difference Result 10941 states and 21714 transitions. [2022-01-28 14:15:56,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-28 14:15:56,657 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 [2022-01-28 14:15:56,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:56,668 INFO L225 Difference]: With dead ends: 10941 [2022-01-28 14:15:56,668 INFO L226 Difference]: Without dead ends: 10941 [2022-01-28 14:15:56,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=307, Invalid=1025, Unknown=0, NotChecked=0, Total=1332 [2022-01-28 14:15:56,670 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1262 mSDsluCounter, 1360 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1262 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:56,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1262 Valid, 1652 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 14:15:56,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10941 states. [2022-01-28 14:15:56,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10941 to 3762. [2022-01-28 14:15:56,729 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) [2022-01-28 14:15:56,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3762 states to 3762 states and 7418 transitions. [2022-01-28 14:15:56,733 INFO L78 Accepts]: Start accepts. Automaton has 3762 states and 7418 transitions. Word has length 105 [2022-01-28 14:15:56,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:56,733 INFO L470 AbstractCegarLoop]: Abstraction has 3762 states and 7418 transitions. [2022-01-28 14:15:56,733 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) [2022-01-28 14:15:56,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3762 states and 7418 transitions. [2022-01-28 14:15:56,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:15:56,735 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:56,735 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] [2022-01-28 14:15:56,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:56,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:56,951 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)] === [2022-01-28 14:15:56,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:56,952 INFO L85 PathProgramCache]: Analyzing trace with hash -683316785, now seen corresponding path program 10 times [2022-01-28 14:15:56,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:56,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194424903] [2022-01-28 14:15:56,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:56,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:15:57,225 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:15:57,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:15:57,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194424903] [2022-01-28 14:15:57,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194424903] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:15:57,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552466210] [2022-01-28 14:15:57,226 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-28 14:15:57,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:57,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:15:57,227 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) [2022-01-28 14:15:57,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-01-28 14:15:57,419 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-28 14:15:57,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:15:57,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 44 conjunts are in the unsatisfiable core [2022-01-28 14:15:57,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:15:57,620 INFO L388 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 [2022-01-28 14:15:57,832 INFO L388 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 [2022-01-28 14:15:57,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:57,876 INFO L388 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 [2022-01-28 14:15:57,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:57,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:57,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:57,920 INFO L388 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 [2022-01-28 14:15:57,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:57,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:57,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:57,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:57,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:57,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:57,983 INFO L388 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 [2022-01-28 14:15:58,045 INFO L354 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-01-28 14:15:58,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-01-28 14:15:58,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:58,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:58,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:58,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:58,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:58,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:58,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:58,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:58,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:15:58,169 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-28 14:15:58,169 INFO L388 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 6 case distinctions, treesize of input 52 treesize of output 60 [2022-01-28 14:15:58,206 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:15:58,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:15:58,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552466210] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:15:58,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:15:58,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [18] total 32 [2022-01-28 14:15:58,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350265416] [2022-01-28 14:15:58,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:15:58,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-28 14:15:58,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:15:58,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-28 14:15:58,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=900, Unknown=0, NotChecked=0, Total=992 [2022-01-28 14:15:58,208 INFO L87 Difference]: Start difference. First operand 3762 states and 7418 transitions. Second operand has 16 states, 15 states have (on average 4.0) internal successors, (60), 16 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) [2022-01-28 14:15:59,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:15:59,597 INFO L93 Difference]: Finished difference Result 7970 states and 15834 transitions. [2022-01-28 14:15:59,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-01-28 14:15:59,598 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.0) internal successors, (60), 16 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 [2022-01-28 14:15:59,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:15:59,608 INFO L225 Difference]: With dead ends: 7970 [2022-01-28 14:15:59,609 INFO L226 Difference]: Without dead ends: 7970 [2022-01-28 14:15:59,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=316, Invalid=1846, Unknown=0, NotChecked=0, Total=2162 [2022-01-28 14:15:59,610 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 808 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-28 14:15:59,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [808 Valid, 1511 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-28 14:15:59,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7970 states. [2022-01-28 14:15:59,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7970 to 4146. [2022-01-28 14:15:59,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4146 states, 4132 states have (on average 1.9883833494675702) internal successors, (8216), 4145 states have internal predecessors, (8216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:15:59,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4146 states to 4146 states and 8216 transitions. [2022-01-28 14:15:59,688 INFO L78 Accepts]: Start accepts. Automaton has 4146 states and 8216 transitions. Word has length 105 [2022-01-28 14:15:59,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:15:59,688 INFO L470 AbstractCegarLoop]: Abstraction has 4146 states and 8216 transitions. [2022-01-28 14:15:59,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.0) internal successors, (60), 16 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) [2022-01-28 14:15:59,688 INFO L276 IsEmpty]: Start isEmpty. Operand 4146 states and 8216 transitions. [2022-01-28 14:15:59,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:15:59,692 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:15:59,692 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] [2022-01-28 14:15:59,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-01-28 14:15:59,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:15:59,910 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)] === [2022-01-28 14:15:59,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:15:59,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1725405965, now seen corresponding path program 11 times [2022-01-28 14:15:59,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:15:59,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723021180] [2022-01-28 14:15:59,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:15:59,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:15:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:00,225 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:00,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:00,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723021180] [2022-01-28 14:16:00,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723021180] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:00,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134043856] [2022-01-28 14:16:00,226 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-28 14:16:00,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:00,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:00,239 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) [2022-01-28 14:16:00,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-01-28 14:16:00,378 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-01-28 14:16:00,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:00,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:00,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:00,605 INFO L388 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 [2022-01-28 14:16:00,718 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:00,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:00,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134043856] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:00,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:00,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:16:00,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247757605] [2022-01-28 14:16:00,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:00,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:00,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:00,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:00,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:16:00,719 INFO L87 Difference]: Start difference. First operand 4146 states and 8216 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) [2022-01-28 14:16:01,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:01,147 INFO L93 Difference]: Finished difference Result 6892 states and 13655 transitions. [2022-01-28 14:16:01,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-28 14:16:01,148 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 [2022-01-28 14:16:01,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:01,156 INFO L225 Difference]: With dead ends: 6892 [2022-01-28 14:16:01,157 INFO L226 Difference]: Without dead ends: 6892 [2022-01-28 14:16:01,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=866, Unknown=0, NotChecked=0, Total=992 [2022-01-28 14:16:01,157 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 568 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 1272 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:01,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [568 Valid, 1272 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-28 14:16:01,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6892 states. [2022-01-28 14:16:01,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6892 to 3819. [2022-01-28 14:16:01,210 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) [2022-01-28 14:16:01,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 3819 states and 7532 transitions. [2022-01-28 14:16:01,218 INFO L78 Accepts]: Start accepts. Automaton has 3819 states and 7532 transitions. Word has length 105 [2022-01-28 14:16:01,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:01,218 INFO L470 AbstractCegarLoop]: Abstraction has 3819 states and 7532 transitions. [2022-01-28 14:16:01,218 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) [2022-01-28 14:16:01,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3819 states and 7532 transitions. [2022-01-28 14:16:01,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:01,221 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:01,221 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] [2022-01-28 14:16:01,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:01,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:01,443 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)] === [2022-01-28 14:16:01,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:01,444 INFO L85 PathProgramCache]: Analyzing trace with hash 953131453, now seen corresponding path program 12 times [2022-01-28 14:16:01,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:01,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768305470] [2022-01-28 14:16:01,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:01,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:01,723 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:01,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:01,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768305470] [2022-01-28 14:16:01,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768305470] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:01,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274986037] [2022-01-28 14:16:01,724 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-28 14:16:01,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:01,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:01,725 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) [2022-01-28 14:16:01,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-01-28 14:16:01,868 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-01-28 14:16:01,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:01,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:01,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:02,103 INFO L388 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 [2022-01-28 14:16:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:02,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:02,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274986037] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:02,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:02,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:16:02,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621788241] [2022-01-28 14:16:02,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:02,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:02,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:02,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:02,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:16:02,318 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) [2022-01-28 14:16:02,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:02,945 INFO L93 Difference]: Finished difference Result 7489 states and 14848 transitions. [2022-01-28 14:16:02,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-28 14:16:02,946 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 [2022-01-28 14:16:02,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:02,956 INFO L225 Difference]: With dead ends: 7489 [2022-01-28 14:16:02,956 INFO L226 Difference]: Without dead ends: 7489 [2022-01-28 14:16:02,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=917, Unknown=0, NotChecked=0, Total=1056 [2022-01-28 14:16:02,957 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 796 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 1444 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:02,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [796 Valid, 1444 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 14:16:02,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7489 states. [2022-01-28 14:16:03,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7489 to 3855. [2022-01-28 14:16:03,011 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) [2022-01-28 14:16:03,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7604 transitions. [2022-01-28 14:16:03,016 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7604 transitions. Word has length 105 [2022-01-28 14:16:03,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:03,016 INFO L470 AbstractCegarLoop]: Abstraction has 3855 states and 7604 transitions. [2022-01-28 14:16:03,016 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) [2022-01-28 14:16:03,016 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7604 transitions. [2022-01-28 14:16:03,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:03,018 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:03,018 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] [2022-01-28 14:16:03,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:03,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:03,236 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)] === [2022-01-28 14:16:03,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:03,236 INFO L85 PathProgramCache]: Analyzing trace with hash -2066174343, now seen corresponding path program 13 times [2022-01-28 14:16:03,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:03,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900258005] [2022-01-28 14:16:03,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:03,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:03,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:03,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900258005] [2022-01-28 14:16:03,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900258005] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:03,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757670735] [2022-01-28 14:16:03,406 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-28 14:16:03,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:03,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:03,410 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) [2022-01-28 14:16:03,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-01-28 14:16:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:03,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:03,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:03,755 INFO L388 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 [2022-01-28 14:16:03,880 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:03,881 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:03,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757670735] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:03,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:03,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-01-28 14:16:03,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982837992] [2022-01-28 14:16:03,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:03,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:03,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:03,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:03,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-01-28 14:16:03,882 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) [2022-01-28 14:16:04,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:04,442 INFO L93 Difference]: Finished difference Result 7446 states and 14748 transitions. [2022-01-28 14:16:04,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 14:16:04,443 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 [2022-01-28 14:16:04,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:04,453 INFO L225 Difference]: With dead ends: 7446 [2022-01-28 14:16:04,453 INFO L226 Difference]: Without dead ends: 7446 [2022-01-28 14:16:04,454 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 [2022-01-28 14:16:04,455 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 756 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 1577 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 [2022-01-28 14:16:04,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [756 Valid, 1577 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-28 14:16:04,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7446 states. [2022-01-28 14:16:04,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7446 to 3858. [2022-01-28 14:16:04,532 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) [2022-01-28 14:16:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 7610 transitions. [2022-01-28 14:16:04,539 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 7610 transitions. Word has length 105 [2022-01-28 14:16:04,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:04,539 INFO L470 AbstractCegarLoop]: Abstraction has 3858 states and 7610 transitions. [2022-01-28 14:16:04,539 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) [2022-01-28 14:16:04,539 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 7610 transitions. [2022-01-28 14:16:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:04,541 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:04,541 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] [2022-01-28 14:16:04,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:04,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:04,748 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)] === [2022-01-28 14:16:04,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:04,748 INFO L85 PathProgramCache]: Analyzing trace with hash -397331165, now seen corresponding path program 14 times [2022-01-28 14:16:04,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:04,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512475666] [2022-01-28 14:16:04,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:04,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:04,877 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:04,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:04,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512475666] [2022-01-28 14:16:04,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512475666] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:04,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24631488] [2022-01-28 14:16:04,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 14:16:04,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:04,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:04,885 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) [2022-01-28 14:16:04,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-01-28 14:16:05,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-28 14:16:05,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:05,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:05,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:05,254 INFO L388 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 [2022-01-28 14:16:05,339 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:05,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:05,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24631488] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:05,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:05,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2022-01-28 14:16:05,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264627695] [2022-01-28 14:16:05,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:05,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:05,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:05,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:05,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2022-01-28 14:16:05,341 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) [2022-01-28 14:16:06,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:06,195 INFO L93 Difference]: Finished difference Result 9241 states and 18333 transitions. [2022-01-28 14:16:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-28 14:16:06,196 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 [2022-01-28 14:16:06,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:06,210 INFO L225 Difference]: With dead ends: 9241 [2022-01-28 14:16:06,211 INFO L226 Difference]: Without dead ends: 9241 [2022-01-28 14:16:06,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2022-01-28 14:16:06,212 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 992 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 992 SdHoareTripleChecker+Valid, 1881 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:06,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [992 Valid, 1881 Invalid, 1101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 14:16:06,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9241 states. [2022-01-28 14:16:06,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9241 to 3860. [2022-01-28 14:16:06,282 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) [2022-01-28 14:16:06,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 7614 transitions. [2022-01-28 14:16:06,287 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 7614 transitions. Word has length 105 [2022-01-28 14:16:06,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:06,287 INFO L470 AbstractCegarLoop]: Abstraction has 3860 states and 7614 transitions. [2022-01-28 14:16:06,288 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) [2022-01-28 14:16:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 7614 transitions. [2022-01-28 14:16:06,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:06,289 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:06,289 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] [2022-01-28 14:16:06,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:06,506 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,SelfDestructingSolverStorable23 [2022-01-28 14:16:06,507 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)] === [2022-01-28 14:16:06,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:06,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1444891887, now seen corresponding path program 15 times [2022-01-28 14:16:06,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:06,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567888279] [2022-01-28 14:16:06,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:06,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:06,845 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:06,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:06,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567888279] [2022-01-28 14:16:06,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567888279] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:06,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234011165] [2022-01-28 14:16:06,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-28 14:16:06,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:06,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:06,846 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) [2022-01-28 14:16:06,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-01-28 14:16:07,011 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-28 14:16:07,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:07,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:07,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:07,313 INFO L388 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 [2022-01-28 14:16:07,385 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:07,385 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:07,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234011165] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:07,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:07,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:16:07,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728690390] [2022-01-28 14:16:07,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:07,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:07,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:07,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:07,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:16:07,386 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) [2022-01-28 14:16:08,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:08,311 INFO L93 Difference]: Finished difference Result 8162 states and 16156 transitions. [2022-01-28 14:16:08,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-28 14:16:08,311 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 [2022-01-28 14:16:08,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:08,321 INFO L225 Difference]: With dead ends: 8162 [2022-01-28 14:16:08,321 INFO L226 Difference]: Without dead ends: 8162 [2022-01-28 14:16:08,322 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=349, Invalid=2003, Unknown=0, NotChecked=0, Total=2352 [2022-01-28 14:16:08,322 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 1276 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 1675 SdHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:08,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1276 Valid, 1675 Invalid, 1208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1178 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 14:16:08,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8162 states. [2022-01-28 14:16:08,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8162 to 3855. [2022-01-28 14:16:08,378 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) [2022-01-28 14:16:08,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7604 transitions. [2022-01-28 14:16:08,383 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7604 transitions. Word has length 105 [2022-01-28 14:16:08,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:08,383 INFO L470 AbstractCegarLoop]: Abstraction has 3855 states and 7604 transitions. [2022-01-28 14:16:08,383 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) [2022-01-28 14:16:08,383 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7604 transitions. [2022-01-28 14:16:08,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:08,384 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:08,384 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] [2022-01-28 14:16:08,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:08,601 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,SelfDestructingSolverStorable24 [2022-01-28 14:16:08,601 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)] === [2022-01-28 14:16:08,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:08,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1422414237, now seen corresponding path program 16 times [2022-01-28 14:16:08,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:08,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716242798] [2022-01-28 14:16:08,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:08,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:08,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:08,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716242798] [2022-01-28 14:16:08,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716242798] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:08,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658444616] [2022-01-28 14:16:08,885 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-28 14:16:08,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:08,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:08,896 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) [2022-01-28 14:16:08,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-01-28 14:16:09,115 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-28 14:16:09,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:09,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 44 conjunts are in the unsatisfiable core [2022-01-28 14:16:09,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:09,367 INFO L388 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 [2022-01-28 14:16:09,591 INFO L388 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 [2022-01-28 14:16:09,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,633 INFO L388 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 [2022-01-28 14:16:09,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,673 INFO L388 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 [2022-01-28 14:16:09,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,722 INFO L388 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 [2022-01-28 14:16:09,767 INFO L354 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-01-28 14:16:09,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-01-28 14:16:09,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:09,845 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-28 14:16:09,845 INFO L388 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 6 case distinctions, treesize of input 52 treesize of output 60 [2022-01-28 14:16:09,875 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:09,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:09,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658444616] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:09,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:09,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [18] total 32 [2022-01-28 14:16:09,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747957434] [2022-01-28 14:16:09,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:09,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-28 14:16:09,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:09,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-28 14:16:09,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=899, Unknown=0, NotChecked=0, Total=992 [2022-01-28 14:16:09,878 INFO L87 Difference]: Start difference. First operand 3855 states and 7604 transitions. Second operand has 16 states, 15 states have (on average 4.0) internal successors, (60), 16 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) [2022-01-28 14:16:11,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:11,472 INFO L93 Difference]: Finished difference Result 8755 states and 17366 transitions. [2022-01-28 14:16:11,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-28 14:16:11,472 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.0) internal successors, (60), 16 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 [2022-01-28 14:16:11,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:11,481 INFO L225 Difference]: With dead ends: 8755 [2022-01-28 14:16:11,481 INFO L226 Difference]: Without dead ends: 8755 [2022-01-28 14:16:11,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=338, Invalid=1918, Unknown=0, NotChecked=0, Total=2256 [2022-01-28 14:16:11,482 INFO L933 BasicCegarLoop]: 346 mSDtfsCounter, 859 mSDsluCounter, 2200 mSDsCounter, 0 mSdLazyCounter, 2252 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 2546 SdHoareTripleChecker+Invalid, 2288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:11,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [859 Valid, 2546 Invalid, 2288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2252 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 14:16:11,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8755 states. [2022-01-28 14:16:11,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8755 to 4248. [2022-01-28 14:16:11,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4248 states, 4234 states have (on average 1.9886632026452526) internal successors, (8420), 4247 states have internal predecessors, (8420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:16:11,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4248 states to 4248 states and 8420 transitions. [2022-01-28 14:16:11,540 INFO L78 Accepts]: Start accepts. Automaton has 4248 states and 8420 transitions. Word has length 105 [2022-01-28 14:16:11,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:11,541 INFO L470 AbstractCegarLoop]: Abstraction has 4248 states and 8420 transitions. [2022-01-28 14:16:11,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.0) internal successors, (60), 16 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) [2022-01-28 14:16:11,541 INFO L276 IsEmpty]: Start isEmpty. Operand 4248 states and 8420 transitions. [2022-01-28 14:16:11,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:11,543 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:11,543 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] [2022-01-28 14:16:11,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:11,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-01-28 14:16:11,759 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)] === [2022-01-28 14:16:11,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:11,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1830463879, now seen corresponding path program 17 times [2022-01-28 14:16:11,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:11,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239178724] [2022-01-28 14:16:11,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:11,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:12,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:12,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239178724] [2022-01-28 14:16:12,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239178724] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:12,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200458530] [2022-01-28 14:16:12,038 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-28 14:16:12,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:12,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:12,039 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) [2022-01-28 14:16:12,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-01-28 14:16:12,220 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-01-28 14:16:12,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:12,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:12,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:12,432 INFO L388 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 [2022-01-28 14:16:12,531 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:12,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:12,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200458530] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:12,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:12,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:16:12,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202039153] [2022-01-28 14:16:12,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:12,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:12,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:12,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:12,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:16:12,533 INFO L87 Difference]: Start difference. First operand 4248 states and 8420 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) [2022-01-28 14:16:12,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:12,910 INFO L93 Difference]: Finished difference Result 7802 states and 15437 transitions. [2022-01-28 14:16:12,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 14:16:12,910 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 [2022-01-28 14:16:12,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:12,919 INFO L225 Difference]: With dead ends: 7802 [2022-01-28 14:16:12,919 INFO L226 Difference]: Without dead ends: 7802 [2022-01-28 14:16:12,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=918, Unknown=0, NotChecked=0, Total=1056 [2022-01-28 14:16:12,920 INFO L933 BasicCegarLoop]: 313 mSDtfsCounter, 644 mSDsluCounter, 1497 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 1807 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:12,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [644 Valid, 1807 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-28 14:16:12,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7802 states. [2022-01-28 14:16:12,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7802 to 3864. [2022-01-28 14:16:12,970 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) [2022-01-28 14:16:12,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 7622 transitions. [2022-01-28 14:16:12,974 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 7622 transitions. Word has length 105 [2022-01-28 14:16:12,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:12,975 INFO L470 AbstractCegarLoop]: Abstraction has 3864 states and 7622 transitions. [2022-01-28 14:16:12,975 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) [2022-01-28 14:16:12,975 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 7622 transitions. [2022-01-28 14:16:12,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:12,976 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:12,976 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] [2022-01-28 14:16:12,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:13,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:13,192 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)] === [2022-01-28 14:16:13,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:13,193 INFO L85 PathProgramCache]: Analyzing trace with hash 246428941, now seen corresponding path program 18 times [2022-01-28 14:16:13,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:13,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777866608] [2022-01-28 14:16:13,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:13,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:13,367 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:13,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:13,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777866608] [2022-01-28 14:16:13,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777866608] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:13,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746419850] [2022-01-28 14:16:13,368 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-28 14:16:13,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:13,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:13,369 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) [2022-01-28 14:16:13,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-01-28 14:16:13,506 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-01-28 14:16:13,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:13,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:13,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:13,776 INFO L388 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 [2022-01-28 14:16:13,860 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:13,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:13,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746419850] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:13,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:13,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-01-28 14:16:13,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562040219] [2022-01-28 14:16:13,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:13,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:13,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:13,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:13,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-01-28 14:16:13,861 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) [2022-01-28 14:16:14,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:14,646 INFO L93 Difference]: Finished difference Result 10886 states and 21585 transitions. [2022-01-28 14:16:14,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-28 14:16:14,646 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 [2022-01-28 14:16:14,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:14,662 INFO L225 Difference]: With dead ends: 10886 [2022-01-28 14:16:14,662 INFO L226 Difference]: Without dead ends: 10886 [2022-01-28 14:16:14,663 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 [2022-01-28 14:16:14,663 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 [2022-01-28 14:16:14,663 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] [2022-01-28 14:16:14,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10886 states. [2022-01-28 14:16:14,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10886 to 3866. [2022-01-28 14:16:14,745 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) [2022-01-28 14:16:14,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3866 states and 7626 transitions. [2022-01-28 14:16:14,751 INFO L78 Accepts]: Start accepts. Automaton has 3866 states and 7626 transitions. Word has length 105 [2022-01-28 14:16:14,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:14,751 INFO L470 AbstractCegarLoop]: Abstraction has 3866 states and 7626 transitions. [2022-01-28 14:16:14,751 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) [2022-01-28 14:16:14,751 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 7626 transitions. [2022-01-28 14:16:14,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:14,753 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:14,753 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] [2022-01-28 14:16:14,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:14,969 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,SelfDestructingSolverStorable27 [2022-01-28 14:16:14,970 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)] === [2022-01-28 14:16:14,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:14,970 INFO L85 PathProgramCache]: Analyzing trace with hash 2088651993, now seen corresponding path program 19 times [2022-01-28 14:16:14,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:14,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316321690] [2022-01-28 14:16:14,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:14,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:15,307 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:15,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:15,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316321690] [2022-01-28 14:16:15,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316321690] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:15,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310077917] [2022-01-28 14:16:15,307 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-28 14:16:15,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:15,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:15,320 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) [2022-01-28 14:16:15,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-01-28 14:16:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:15,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:15,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:15,785 INFO L388 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 [2022-01-28 14:16:15,851 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:15,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:15,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310077917] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:15,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:15,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:16:15,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237466385] [2022-01-28 14:16:15,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:15,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:15,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:15,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:15,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:16:15,853 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) [2022-01-28 14:16:16,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:16,858 INFO L93 Difference]: Finished difference Result 9807 states and 19408 transitions. [2022-01-28 14:16:16,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-28 14:16:16,858 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 [2022-01-28 14:16:16,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:16,874 INFO L225 Difference]: With dead ends: 9807 [2022-01-28 14:16:16,874 INFO L226 Difference]: Without dead ends: 9807 [2022-01-28 14:16:16,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=315, Invalid=1941, Unknown=0, NotChecked=0, Total=2256 [2022-01-28 14:16:16,875 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 1199 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 1935 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:16,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1199 Valid, 1935 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 14:16:16,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9807 states. [2022-01-28 14:16:16,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9807 to 3861. [2022-01-28 14:16:16,954 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) [2022-01-28 14:16:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 7616 transitions. [2022-01-28 14:16:16,961 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 7616 transitions. Word has length 105 [2022-01-28 14:16:16,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:16,962 INFO L470 AbstractCegarLoop]: Abstraction has 3861 states and 7616 transitions. [2022-01-28 14:16:16,962 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) [2022-01-28 14:16:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 7616 transitions. [2022-01-28 14:16:16,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:16,964 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:16,964 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] [2022-01-28 14:16:16,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:17,187 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,SelfDestructingSolverStorable28 [2022-01-28 14:16:17,188 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)] === [2022-01-28 14:16:17,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:17,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1543292729, now seen corresponding path program 20 times [2022-01-28 14:16:17,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:17,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677238103] [2022-01-28 14:16:17,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:17,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:17,332 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:17,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:17,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677238103] [2022-01-28 14:16:17,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677238103] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:17,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426964519] [2022-01-28 14:16:17,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 14:16:17,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:17,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:17,335 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) [2022-01-28 14:16:17,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-01-28 14:16:17,518 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-28 14:16:17,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:17,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:17,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:17,786 INFO L388 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 [2022-01-28 14:16:17,858 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:17,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:17,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426964519] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:17,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:17,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2022-01-28 14:16:17,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137072512] [2022-01-28 14:16:17,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:17,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:17,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:17,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:17,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2022-01-28 14:16:17,860 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) [2022-01-28 14:16:18,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:18,496 INFO L93 Difference]: Finished difference Result 10607 states and 21041 transitions. [2022-01-28 14:16:18,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-28 14:16:18,497 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 [2022-01-28 14:16:18,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:18,509 INFO L225 Difference]: With dead ends: 10607 [2022-01-28 14:16:18,510 INFO L226 Difference]: Without dead ends: 10607 [2022-01-28 14:16:18,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=251, Invalid=741, Unknown=0, NotChecked=0, Total=992 [2022-01-28 14:16:18,511 INFO L933 BasicCegarLoop]: 377 mSDtfsCounter, 969 mSDsluCounter, 1653 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 2028 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:18,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [969 Valid, 2028 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-28 14:16:18,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10607 states. [2022-01-28 14:16:18,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10607 to 3867. [2022-01-28 14:16:18,567 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) [2022-01-28 14:16:18,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3867 states and 7628 transitions. [2022-01-28 14:16:18,571 INFO L78 Accepts]: Start accepts. Automaton has 3867 states and 7628 transitions. Word has length 105 [2022-01-28 14:16:18,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:18,571 INFO L470 AbstractCegarLoop]: Abstraction has 3867 states and 7628 transitions. [2022-01-28 14:16:18,572 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) [2022-01-28 14:16:18,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 7628 transitions. [2022-01-28 14:16:18,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:18,573 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:18,573 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] [2022-01-28 14:16:18,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:18,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:18,790 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)] === [2022-01-28 14:16:18,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:18,790 INFO L85 PathProgramCache]: Analyzing trace with hash 298930323, now seen corresponding path program 21 times [2022-01-28 14:16:18,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:18,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656138465] [2022-01-28 14:16:18,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:18,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:18,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:18,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656138465] [2022-01-28 14:16:18,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656138465] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:18,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369525397] [2022-01-28 14:16:18,881 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-28 14:16:18,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:18,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:18,896 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) [2022-01-28 14:16:18,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-01-28 14:16:19,041 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-28 14:16:19,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:19,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:19,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:19,291 INFO L388 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 [2022-01-28 14:16:19,335 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:19,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:19,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369525397] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:19,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:19,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2022-01-28 14:16:19,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748300563] [2022-01-28 14:16:19,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:19,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:19,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:19,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:19,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2022-01-28 14:16:19,336 INFO L87 Difference]: Start difference. First operand 3867 states and 7628 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) [2022-01-28 14:16:20,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:20,095 INFO L93 Difference]: Finished difference Result 11902 states and 23593 transitions. [2022-01-28 14:16:20,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-28 14:16:20,096 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 [2022-01-28 14:16:20,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:20,108 INFO L225 Difference]: With dead ends: 11902 [2022-01-28 14:16:20,108 INFO L226 Difference]: Without dead ends: 11902 [2022-01-28 14:16:20,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=438, Invalid=1368, Unknown=0, NotChecked=0, Total=1806 [2022-01-28 14:16:20,109 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 1439 mSDsluCounter, 1592 mSDsCounter, 0 mSdLazyCounter, 1239 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 1963 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:20,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1439 Valid, 1963 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1239 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-28 14:16:20,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11902 states. [2022-01-28 14:16:20,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11902 to 3865. [2022-01-28 14:16:20,168 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) [2022-01-28 14:16:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3865 states and 7624 transitions. [2022-01-28 14:16:20,172 INFO L78 Accepts]: Start accepts. Automaton has 3865 states and 7624 transitions. Word has length 105 [2022-01-28 14:16:20,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:20,172 INFO L470 AbstractCegarLoop]: Abstraction has 3865 states and 7624 transitions. [2022-01-28 14:16:20,173 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) [2022-01-28 14:16:20,173 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 7624 transitions. [2022-01-28 14:16:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:20,174 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:20,174 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] [2022-01-28 14:16:20,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:20,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:20,391 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)] === [2022-01-28 14:16:20,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:20,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1139206215, now seen corresponding path program 22 times [2022-01-28 14:16:20,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:20,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145528473] [2022-01-28 14:16:20,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:20,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:20,674 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:20,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:20,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145528473] [2022-01-28 14:16:20,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145528473] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:20,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089688953] [2022-01-28 14:16:20,674 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-28 14:16:20,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:20,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:20,688 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) [2022-01-28 14:16:20,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-01-28 14:16:20,947 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-28 14:16:20,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:20,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-01-28 14:16:20,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:21,093 INFO L388 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 [2022-01-28 14:16:21,132 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:21,132 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:21,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089688953] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:21,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:21,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 25 [2022-01-28 14:16:21,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916076771] [2022-01-28 14:16:21,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:21,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 14:16:21,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:21,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 14:16:21,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2022-01-28 14:16:21,135 INFO L87 Difference]: Start difference. First operand 3865 states and 7624 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) [2022-01-28 14:16:21,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:21,981 INFO L93 Difference]: Finished difference Result 9935 states and 19678 transitions. [2022-01-28 14:16:21,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-28 14:16:21,982 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 [2022-01-28 14:16:21,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:21,994 INFO L225 Difference]: With dead ends: 9935 [2022-01-28 14:16:21,994 INFO L226 Difference]: Without dead ends: 9935 [2022-01-28 14:16:21,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 647 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=374, Invalid=2176, Unknown=0, NotChecked=0, Total=2550 [2022-01-28 14:16:21,997 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 1080 mSDsluCounter, 1806 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 2185 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:21,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1080 Valid, 2185 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 14:16:22,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9935 states. [2022-01-28 14:16:22,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9935 to 3855. [2022-01-28 14:16:22,117 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) [2022-01-28 14:16:22,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7604 transitions. [2022-01-28 14:16:22,122 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7604 transitions. Word has length 105 [2022-01-28 14:16:22,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:22,122 INFO L470 AbstractCegarLoop]: Abstraction has 3855 states and 7604 transitions. [2022-01-28 14:16:22,122 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) [2022-01-28 14:16:22,122 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7604 transitions. [2022-01-28 14:16:22,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:22,137 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:22,137 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] [2022-01-28 14:16:22,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:22,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:22,338 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)] === [2022-01-28 14:16:22,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:22,338 INFO L85 PathProgramCache]: Analyzing trace with hash -4003655, now seen corresponding path program 23 times [2022-01-28 14:16:22,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:22,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339359028] [2022-01-28 14:16:22,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:22,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:22,600 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:22,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:22,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339359028] [2022-01-28 14:16:22,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339359028] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:22,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184273556] [2022-01-28 14:16:22,601 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-28 14:16:22,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:22,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:22,602 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) [2022-01-28 14:16:22,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-01-28 14:16:22,794 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-01-28 14:16:22,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:22,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:22,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:23,021 INFO L388 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 [2022-01-28 14:16:23,091 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:23,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:23,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184273556] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:23,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:23,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:16:23,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140062213] [2022-01-28 14:16:23,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:23,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:23,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:23,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:23,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:16:23,093 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) [2022-01-28 14:16:23,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:23,823 INFO L93 Difference]: Finished difference Result 10963 states and 21777 transitions. [2022-01-28 14:16:23,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-28 14:16:23,823 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 [2022-01-28 14:16:23,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:23,839 INFO L225 Difference]: With dead ends: 10963 [2022-01-28 14:16:23,839 INFO L226 Difference]: Without dead ends: 10963 [2022-01-28 14:16:23,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=295, Invalid=1867, Unknown=0, NotChecked=0, Total=2162 [2022-01-28 14:16:23,840 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1221 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 1818 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:23,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1221 Valid, 1818 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-28 14:16:23,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10963 states. [2022-01-28 14:16:23,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10963 to 3873. [2022-01-28 14:16:23,913 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) [2022-01-28 14:16:23,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3873 states to 3873 states and 7640 transitions. [2022-01-28 14:16:23,919 INFO L78 Accepts]: Start accepts. Automaton has 3873 states and 7640 transitions. Word has length 105 [2022-01-28 14:16:23,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:23,919 INFO L470 AbstractCegarLoop]: Abstraction has 3873 states and 7640 transitions. [2022-01-28 14:16:23,920 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) [2022-01-28 14:16:23,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3873 states and 7640 transitions. [2022-01-28 14:16:23,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:23,921 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:23,921 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] [2022-01-28 14:16:23,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:24,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:24,140 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)] === [2022-01-28 14:16:24,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:24,140 INFO L85 PathProgramCache]: Analyzing trace with hash 895822961, now seen corresponding path program 24 times [2022-01-28 14:16:24,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:24,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168576759] [2022-01-28 14:16:24,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:24,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:24,451 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:24,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:24,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168576759] [2022-01-28 14:16:24,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168576759] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:24,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668861179] [2022-01-28 14:16:24,452 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-28 14:16:24,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:24,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:24,454 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) [2022-01-28 14:16:24,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-01-28 14:16:24,614 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-01-28 14:16:24,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:24,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:24,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:24,856 INFO L388 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 [2022-01-28 14:16:24,947 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:24,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:24,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668861179] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:24,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:24,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:16:24,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631397538] [2022-01-28 14:16:24,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:24,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:24,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:24,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:24,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:16:24,949 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) [2022-01-28 14:16:25,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:25,710 INFO L93 Difference]: Finished difference Result 11900 states and 23632 transitions. [2022-01-28 14:16:25,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-28 14:16:25,710 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 [2022-01-28 14:16:25,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:25,726 INFO L225 Difference]: With dead ends: 11900 [2022-01-28 14:16:25,726 INFO L226 Difference]: Without dead ends: 11900 [2022-01-28 14:16:25,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=186, Invalid=1220, Unknown=0, NotChecked=0, Total=1406 [2022-01-28 14:16:25,727 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 1027 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1027 SdHoareTripleChecker+Valid, 1781 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:25,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1027 Valid, 1781 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-28 14:16:25,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11900 states. [2022-01-28 14:16:25,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11900 to 3879. [2022-01-28 14:16:25,809 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) [2022-01-28 14:16:25,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3879 states to 3879 states and 7652 transitions. [2022-01-28 14:16:25,814 INFO L78 Accepts]: Start accepts. Automaton has 3879 states and 7652 transitions. Word has length 105 [2022-01-28 14:16:25,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:25,814 INFO L470 AbstractCegarLoop]: Abstraction has 3879 states and 7652 transitions. [2022-01-28 14:16:25,814 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) [2022-01-28 14:16:25,814 INFO L276 IsEmpty]: Start isEmpty. Operand 3879 states and 7652 transitions. [2022-01-28 14:16:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:25,816 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:25,816 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] [2022-01-28 14:16:25,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:26,031 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,SelfDestructingSolverStorable33 [2022-01-28 14:16:26,032 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)] === [2022-01-28 14:16:26,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:26,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1149737133, now seen corresponding path program 25 times [2022-01-28 14:16:26,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:26,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110156649] [2022-01-28 14:16:26,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:26,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:26,197 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:26,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:26,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110156649] [2022-01-28 14:16:26,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110156649] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:26,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020350921] [2022-01-28 14:16:26,197 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-28 14:16:26,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:26,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:26,209 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) [2022-01-28 14:16:26,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-01-28 14:16:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:26,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:26,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:26,658 INFO L388 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 [2022-01-28 14:16:26,700 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:26,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:26,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020350921] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:26,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:26,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-01-28 14:16:26,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380152578] [2022-01-28 14:16:26,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:26,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:26,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:26,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:26,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-01-28 14:16:26,702 INFO L87 Difference]: Start difference. First operand 3879 states and 7652 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) [2022-01-28 14:16:27,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:27,749 INFO L93 Difference]: Finished difference Result 13195 states and 26184 transitions. [2022-01-28 14:16:27,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-28 14:16:27,750 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 [2022-01-28 14:16:27,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:27,780 INFO L225 Difference]: With dead ends: 13195 [2022-01-28 14:16:27,780 INFO L226 Difference]: Without dead ends: 13195 [2022-01-28 14:16:27,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=292, Invalid=1348, Unknown=0, NotChecked=0, Total=1640 [2022-01-28 14:16:27,782 INFO L933 BasicCegarLoop]: 364 mSDtfsCounter, 1207 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 1258 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:27,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1207 Valid, 1941 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1258 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 14:16:27,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13195 states. [2022-01-28 14:16:27,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13195 to 3877. [2022-01-28 14:16:27,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3877 states, 3863 states have (on average 1.9798084390370179) internal successors, (7648), 3876 states have internal predecessors, (7648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:16:27,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3877 states to 3877 states and 7648 transitions. [2022-01-28 14:16:27,872 INFO L78 Accepts]: Start accepts. Automaton has 3877 states and 7648 transitions. Word has length 105 [2022-01-28 14:16:27,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:27,872 INFO L470 AbstractCegarLoop]: Abstraction has 3877 states and 7648 transitions. [2022-01-28 14:16:27,872 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) [2022-01-28 14:16:27,872 INFO L276 IsEmpty]: Start isEmpty. Operand 3877 states and 7648 transitions. [2022-01-28 14:16:27,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:27,873 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:27,874 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] [2022-01-28 14:16:27,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2022-01-28 14:16:28,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:28,088 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)] === [2022-01-28 14:16:28,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:28,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1907969487, now seen corresponding path program 26 times [2022-01-28 14:16:28,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:28,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068270487] [2022-01-28 14:16:28,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:28,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:28,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:28,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068270487] [2022-01-28 14:16:28,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068270487] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:28,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966941057] [2022-01-28 14:16:28,486 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 14:16:28,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:28,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:28,496 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) [2022-01-28 14:16:28,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-01-28 14:16:28,703 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-28 14:16:28,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:28,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:28,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:28,964 INFO L388 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 [2022-01-28 14:16:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:29,006 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:29,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966941057] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:29,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:29,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:16:29,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57644794] [2022-01-28 14:16:29,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:29,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:29,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:29,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:29,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:16:29,007 INFO L87 Difference]: Start difference. First operand 3877 states and 7648 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) [2022-01-28 14:16:29,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:29,860 INFO L93 Difference]: Finished difference Result 13573 states and 26911 transitions. [2022-01-28 14:16:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-28 14:16:29,860 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 [2022-01-28 14:16:29,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:29,878 INFO L225 Difference]: With dead ends: 13573 [2022-01-28 14:16:29,878 INFO L226 Difference]: Without dead ends: 13573 [2022-01-28 14:16:29,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 644 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=362, Invalid=2188, Unknown=0, NotChecked=0, Total=2550 [2022-01-28 14:16:29,889 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 1163 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 2350 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:29,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1163 Valid, 2350 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1397 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-28 14:16:29,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13573 states. [2022-01-28 14:16:29,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13573 to 3867. [2022-01-28 14:16:29,961 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) [2022-01-28 14:16:29,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3867 states and 7628 transitions. [2022-01-28 14:16:29,966 INFO L78 Accepts]: Start accepts. Automaton has 3867 states and 7628 transitions. Word has length 105 [2022-01-28 14:16:29,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:29,966 INFO L470 AbstractCegarLoop]: Abstraction has 3867 states and 7628 transitions. [2022-01-28 14:16:29,970 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) [2022-01-28 14:16:29,971 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 7628 transitions. [2022-01-28 14:16:29,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:29,972 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:29,972 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] [2022-01-28 14:16:29,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:30,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:30,189 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)] === [2022-01-28 14:16:30,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:30,189 INFO L85 PathProgramCache]: Analyzing trace with hash 637299345, now seen corresponding path program 27 times [2022-01-28 14:16:30,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:30,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554152282] [2022-01-28 14:16:30,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:30,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:30,562 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:30,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:30,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554152282] [2022-01-28 14:16:30,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554152282] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:30,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948096017] [2022-01-28 14:16:30,563 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-28 14:16:30,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:30,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:30,564 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) [2022-01-28 14:16:30,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-01-28 14:16:30,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-28 14:16:30,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:30,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:30,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:31,012 INFO L388 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 [2022-01-28 14:16:31,110 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:31,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:31,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948096017] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:31,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:31,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:16:31,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513258148] [2022-01-28 14:16:31,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:31,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:31,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:31,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:31,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:16:31,111 INFO L87 Difference]: Start difference. First operand 3867 states and 7628 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) [2022-01-28 14:16:31,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:31,984 INFO L93 Difference]: Finished difference Result 12426 states and 24684 transitions. [2022-01-28 14:16:31,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-28 14:16:31,984 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 [2022-01-28 14:16:31,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:32,000 INFO L225 Difference]: With dead ends: 12426 [2022-01-28 14:16:32,001 INFO L226 Difference]: Without dead ends: 12426 [2022-01-28 14:16:32,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=189, Invalid=1217, Unknown=0, NotChecked=0, Total=1406 [2022-01-28 14:16:32,001 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, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:32,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [918 Valid, 1847 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 14:16:32,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12426 states. [2022-01-28 14:16:32,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12426 to 3877. [2022-01-28 14:16:32,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3877 states, 3863 states have (on average 1.9798084390370179) internal successors, (7648), 3876 states have internal predecessors, (7648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:16:32,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3877 states to 3877 states and 7648 transitions. [2022-01-28 14:16:32,074 INFO L78 Accepts]: Start accepts. Automaton has 3877 states and 7648 transitions. Word has length 105 [2022-01-28 14:16:32,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:32,074 INFO L470 AbstractCegarLoop]: Abstraction has 3877 states and 7648 transitions. [2022-01-28 14:16:32,074 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) [2022-01-28 14:16:32,074 INFO L276 IsEmpty]: Start isEmpty. Operand 3877 states and 7648 transitions. [2022-01-28 14:16:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:32,076 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:32,076 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] [2022-01-28 14:16:32,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:32,292 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,SelfDestructingSolverStorable36 [2022-01-28 14:16:32,292 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)] === [2022-01-28 14:16:32,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:32,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1815444899, now seen corresponding path program 28 times [2022-01-28 14:16:32,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:32,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39659647] [2022-01-28 14:16:32,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:32,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:32,493 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:32,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:32,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39659647] [2022-01-28 14:16:32,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39659647] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:32,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815559639] [2022-01-28 14:16:32,494 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-28 14:16:32,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:32,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:32,495 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) [2022-01-28 14:16:32,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-01-28 14:16:32,701 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-28 14:16:32,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:32,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 44 conjunts are in the unsatisfiable core [2022-01-28 14:16:32,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:32,947 INFO L388 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 [2022-01-28 14:16:33,043 INFO L388 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 [2022-01-28 14:16:33,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,080 INFO L388 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 [2022-01-28 14:16:33,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,112 INFO L388 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 [2022-01-28 14:16:33,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,154 INFO L388 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 [2022-01-28 14:16:33,213 INFO L354 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-01-28 14:16:33,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-01-28 14:16:33,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:33,321 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-28 14:16:33,321 INFO L388 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 6 case distinctions, treesize of input 52 treesize of output 60 [2022-01-28 14:16:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:33,341 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:33,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815559639] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:33,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:33,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [11] total 24 [2022-01-28 14:16:33,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059185196] [2022-01-28 14:16:33,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:33,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-28 14:16:33,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:33,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-28 14:16:33,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=467, Unknown=0, NotChecked=0, Total=552 [2022-01-28 14:16:33,343 INFO L87 Difference]: Start difference. First operand 3877 states and 7648 transitions. Second operand has 16 states, 15 states have (on average 4.0) internal successors, (60), 16 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) [2022-01-28 14:16:34,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:34,970 INFO L93 Difference]: Finished difference Result 15197 states and 30227 transitions. [2022-01-28 14:16:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 14:16:34,971 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.0) internal successors, (60), 16 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 [2022-01-28 14:16:34,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:34,989 INFO L225 Difference]: With dead ends: 15197 [2022-01-28 14:16:34,990 INFO L226 Difference]: Without dead ends: 15197 [2022-01-28 14:16:34,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1178 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=709, Invalid=2951, Unknown=0, NotChecked=0, Total=3660 [2022-01-28 14:16:34,990 INFO L933 BasicCegarLoop]: 453 mSDtfsCounter, 1585 mSDsluCounter, 1883 mSDsCounter, 0 mSdLazyCounter, 2077 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 2182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 2077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:34,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1585 Valid, 2335 Invalid, 2182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 2077 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 14:16:35,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15197 states. [2022-01-28 14:16:35,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15197 to 4496. [2022-01-28 14:16:35,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4496 states, 4482 states have (on average 1.9959839357429718) internal successors, (8946), 4495 states have internal predecessors, (8946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:16:35,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4496 states to 4496 states and 8946 transitions. [2022-01-28 14:16:35,082 INFO L78 Accepts]: Start accepts. Automaton has 4496 states and 8946 transitions. Word has length 105 [2022-01-28 14:16:35,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:35,082 INFO L470 AbstractCegarLoop]: Abstraction has 4496 states and 8946 transitions. [2022-01-28 14:16:35,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.0) internal successors, (60), 16 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) [2022-01-28 14:16:35,083 INFO L276 IsEmpty]: Start isEmpty. Operand 4496 states and 8946 transitions. [2022-01-28 14:16:35,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:35,084 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:35,084 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] [2022-01-28 14:16:35,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:35,291 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,SelfDestructingSolverStorable37 [2022-01-28 14:16:35,291 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)] === [2022-01-28 14:16:35,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:35,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1437433217, now seen corresponding path program 29 times [2022-01-28 14:16:35,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:35,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716076537] [2022-01-28 14:16:35,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:35,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:35,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:35,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716076537] [2022-01-28 14:16:35,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716076537] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:35,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174096088] [2022-01-28 14:16:35,450 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-28 14:16:35,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:35,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:35,451 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) [2022-01-28 14:16:35,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-01-28 14:16:35,658 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-01-28 14:16:35,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:35,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:35,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:35,892 INFO L388 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 [2022-01-28 14:16:35,962 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:35,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:35,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174096088] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:35,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:35,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-01-28 14:16:35,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958970515] [2022-01-28 14:16:35,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:35,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:35,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:35,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:35,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-01-28 14:16:35,964 INFO L87 Difference]: Start difference. First operand 4496 states and 8946 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) [2022-01-28 14:16:36,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:36,976 INFO L93 Difference]: Finished difference Result 13601 states and 27001 transitions. [2022-01-28 14:16:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-28 14:16:36,977 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 [2022-01-28 14:16:36,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:36,998 INFO L225 Difference]: With dead ends: 13601 [2022-01-28 14:16:36,998 INFO L226 Difference]: Without dead ends: 13601 [2022-01-28 14:16:36,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=285, Invalid=1275, Unknown=0, NotChecked=0, Total=1560 [2022-01-28 14:16:36,998 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 1347 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 1799 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:36,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1347 Valid, 1799 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1134 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 14:16:37,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13601 states. [2022-01-28 14:16:37,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13601 to 4185. [2022-01-28 14:16:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4185 states, 4171 states have (on average 1.9844162071445697) internal successors, (8277), 4184 states have internal predecessors, (8277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:16:37,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4185 states to 4185 states and 8277 transitions. [2022-01-28 14:16:37,094 INFO L78 Accepts]: Start accepts. Automaton has 4185 states and 8277 transitions. Word has length 105 [2022-01-28 14:16:37,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:37,094 INFO L470 AbstractCegarLoop]: Abstraction has 4185 states and 8277 transitions. [2022-01-28 14:16:37,094 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) [2022-01-28 14:16:37,094 INFO L276 IsEmpty]: Start isEmpty. Operand 4185 states and 8277 transitions. [2022-01-28 14:16:37,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:37,096 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:37,096 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] [2022-01-28 14:16:37,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2022-01-28 14:16:37,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-01-28 14:16:37,311 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)] === [2022-01-28 14:16:37,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:37,312 INFO L85 PathProgramCache]: Analyzing trace with hash -975169007, now seen corresponding path program 30 times [2022-01-28 14:16:37,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:37,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650457019] [2022-01-28 14:16:37,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:37,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:37,574 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:37,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:37,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650457019] [2022-01-28 14:16:37,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650457019] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:37,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978330453] [2022-01-28 14:16:37,575 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-28 14:16:37,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:37,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:37,576 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) [2022-01-28 14:16:37,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-01-28 14:16:37,759 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-01-28 14:16:37,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:37,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:37,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:38,042 INFO L388 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 [2022-01-28 14:16:38,115 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:38,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:38,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978330453] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:38,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:38,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:16:38,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926745785] [2022-01-28 14:16:38,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:38,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:38,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:38,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:38,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:16:38,116 INFO L87 Difference]: Start difference. First operand 4185 states and 8277 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) [2022-01-28 14:16:38,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:38,852 INFO L93 Difference]: Finished difference Result 11941 states and 23689 transitions. [2022-01-28 14:16:38,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-01-28 14:16:38,852 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 [2022-01-28 14:16:38,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:38,866 INFO L225 Difference]: With dead ends: 11941 [2022-01-28 14:16:38,866 INFO L226 Difference]: Without dead ends: 11941 [2022-01-28 14:16:38,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=307, Invalid=1855, Unknown=0, NotChecked=0, Total=2162 [2022-01-28 14:16:38,867 INFO L933 BasicCegarLoop]: 370 mSDtfsCounter, 1098 mSDsluCounter, 1596 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 1964 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:38,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1098 Valid, 1964 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1088 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-28 14:16:38,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11941 states. [2022-01-28 14:16:38,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11941 to 4185. [2022-01-28 14:16:38,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4185 states, 4171 states have (on average 1.9844162071445697) internal successors, (8277), 4184 states have internal predecessors, (8277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:16:38,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4185 states to 4185 states and 8277 transitions. [2022-01-28 14:16:38,952 INFO L78 Accepts]: Start accepts. Automaton has 4185 states and 8277 transitions. Word has length 105 [2022-01-28 14:16:38,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:38,952 INFO L470 AbstractCegarLoop]: Abstraction has 4185 states and 8277 transitions. [2022-01-28 14:16:38,952 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) [2022-01-28 14:16:38,952 INFO L276 IsEmpty]: Start isEmpty. Operand 4185 states and 8277 transitions. [2022-01-28 14:16:38,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:38,954 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:38,954 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] [2022-01-28 14:16:38,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:39,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-01-28 14:16:39,167 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)] === [2022-01-28 14:16:39,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:39,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1899608047, now seen corresponding path program 31 times [2022-01-28 14:16:39,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:39,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751147347] [2022-01-28 14:16:39,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:39,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:39,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:39,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751147347] [2022-01-28 14:16:39,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751147347] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:39,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114160936] [2022-01-28 14:16:39,291 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-28 14:16:39,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:39,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:39,292 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) [2022-01-28 14:16:39,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-01-28 14:16:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:39,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:39,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:39,633 INFO L388 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 [2022-01-28 14:16:39,700 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:39,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:39,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114160936] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:39,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:39,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2022-01-28 14:16:39,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291473469] [2022-01-28 14:16:39,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:39,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:39,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:39,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:39,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2022-01-28 14:16:39,703 INFO L87 Difference]: Start difference. First operand 4185 states and 8277 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) [2022-01-28 14:16:40,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:40,116 INFO L93 Difference]: Finished difference Result 11036 states and 21917 transitions. [2022-01-28 14:16:40,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-28 14:16:40,116 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 [2022-01-28 14:16:40,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:40,128 INFO L225 Difference]: With dead ends: 11036 [2022-01-28 14:16:40,128 INFO L226 Difference]: Without dead ends: 11036 [2022-01-28 14:16:40,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=569, Unknown=0, NotChecked=0, Total=756 [2022-01-28 14:16:40,129 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 754 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:40,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [754 Valid, 1463 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-28 14:16:40,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11036 states. [2022-01-28 14:16:40,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11036 to 4189. [2022-01-28 14:16:40,187 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) [2022-01-28 14:16:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 8285 transitions. [2022-01-28 14:16:40,191 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 8285 transitions. Word has length 105 [2022-01-28 14:16:40,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:40,192 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 8285 transitions. [2022-01-28 14:16:40,192 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) [2022-01-28 14:16:40,192 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 8285 transitions. [2022-01-28 14:16:40,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:40,193 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:40,193 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] [2022-01-28 14:16:40,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:40,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:40,409 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)] === [2022-01-28 14:16:40,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:40,410 INFO L85 PathProgramCache]: Analyzing trace with hash -553136197, now seen corresponding path program 32 times [2022-01-28 14:16:40,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:40,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595541452] [2022-01-28 14:16:40,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:40,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:40,533 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:40,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:40,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595541452] [2022-01-28 14:16:40,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595541452] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:40,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982644066] [2022-01-28 14:16:40,534 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 14:16:40,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:40,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:40,535 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) [2022-01-28 14:16:40,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-01-28 14:16:40,724 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-28 14:16:40,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:40,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:40,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:40,907 INFO L388 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 [2022-01-28 14:16:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:40,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:40,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982644066] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:40,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:40,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2022-01-28 14:16:40,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991855355] [2022-01-28 14:16:40,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:40,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:40,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:40,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:40,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2022-01-28 14:16:40,963 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) [2022-01-28 14:16:41,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:41,675 INFO L93 Difference]: Finished difference Result 11319 states and 22445 transitions. [2022-01-28 14:16:41,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-01-28 14:16:41,675 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 [2022-01-28 14:16:41,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:41,690 INFO L225 Difference]: With dead ends: 11319 [2022-01-28 14:16:41,690 INFO L226 Difference]: Without dead ends: 11319 [2022-01-28 14:16:41,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=890, Unknown=0, NotChecked=0, Total=1190 [2022-01-28 14:16:41,691 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1157 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:41,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1157 Valid, 1501 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-28 14:16:41,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11319 states. [2022-01-28 14:16:41,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11319 to 4187. [2022-01-28 14:16:41,762 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) [2022-01-28 14:16:41,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 4187 states and 8281 transitions. [2022-01-28 14:16:41,767 INFO L78 Accepts]: Start accepts. Automaton has 4187 states and 8281 transitions. Word has length 105 [2022-01-28 14:16:41,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:41,768 INFO L470 AbstractCegarLoop]: Abstraction has 4187 states and 8281 transitions. [2022-01-28 14:16:41,768 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) [2022-01-28 14:16:41,768 INFO L276 IsEmpty]: Start isEmpty. Operand 4187 states and 8281 transitions. [2022-01-28 14:16:41,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:41,769 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:41,769 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] [2022-01-28 14:16:41,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:41,987 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,SelfDestructingSolverStorable41 [2022-01-28 14:16:41,987 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)] === [2022-01-28 14:16:41,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:41,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1466874549, now seen corresponding path program 33 times [2022-01-28 14:16:41,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:41,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524376046] [2022-01-28 14:16:41,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:41,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:42,299 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:42,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:42,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524376046] [2022-01-28 14:16:42,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524376046] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:42,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593695879] [2022-01-28 14:16:42,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-28 14:16:42,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:42,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:42,312 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) [2022-01-28 14:16:42,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-01-28 14:16:42,506 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-28 14:16:42,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:42,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:42,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:42,707 INFO L388 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 [2022-01-28 14:16:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:42,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:42,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593695879] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:42,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:42,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:16:42,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334007345] [2022-01-28 14:16:42,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:42,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:42,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:42,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:42,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:16:42,782 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) [2022-01-28 14:16:43,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:43,059 INFO L93 Difference]: Finished difference Result 7323 states and 14496 transitions. [2022-01-28 14:16:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-28 14:16:43,059 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 [2022-01-28 14:16:43,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:43,067 INFO L225 Difference]: With dead ends: 7323 [2022-01-28 14:16:43,068 INFO L226 Difference]: Without dead ends: 7323 [2022-01-28 14:16:43,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=861, Unknown=0, NotChecked=0, Total=992 [2022-01-28 14:16:43,068 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 587 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:43,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [587 Valid, 1353 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-28 14:16:43,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7323 states. [2022-01-28 14:16:43,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7323 to 4177. [2022-01-28 14:16:43,115 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) [2022-01-28 14:16:43,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 8261 transitions. [2022-01-28 14:16:43,144 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 8261 transitions. Word has length 105 [2022-01-28 14:16:43,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:43,144 INFO L470 AbstractCegarLoop]: Abstraction has 4177 states and 8261 transitions. [2022-01-28 14:16:43,145 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) [2022-01-28 14:16:43,145 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 8261 transitions. [2022-01-28 14:16:43,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:43,146 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:43,146 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] [2022-01-28 14:16:43,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2022-01-28 14:16:43,359 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,SelfDestructingSolverStorable42 [2022-01-28 14:16:43,359 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)] === [2022-01-28 14:16:43,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:43,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1729425713, now seen corresponding path program 34 times [2022-01-28 14:16:43,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:43,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078338480] [2022-01-28 14:16:43,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:43,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:43,456 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:43,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:43,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078338480] [2022-01-28 14:16:43,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078338480] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:43,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049352985] [2022-01-28 14:16:43,456 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-28 14:16:43,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:43,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:43,465 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) [2022-01-28 14:16:43,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-01-28 14:16:43,794 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-28 14:16:43,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:43,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-01-28 14:16:43,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:43,922 INFO L388 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 [2022-01-28 14:16:43,957 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:43,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:43,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049352985] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:43,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:43,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 11 [2022-01-28 14:16:43,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467396426] [2022-01-28 14:16:43,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:43,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 14:16:43,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:43,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 14:16:43,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-01-28 14:16:43,958 INFO L87 Difference]: Start difference. First operand 4177 states and 8261 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) [2022-01-28 14:16:44,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:44,716 INFO L93 Difference]: Finished difference Result 14844 states and 29552 transitions. [2022-01-28 14:16:44,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-28 14:16:44,717 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 [2022-01-28 14:16:44,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:44,737 INFO L225 Difference]: With dead ends: 14844 [2022-01-28 14:16:44,737 INFO L226 Difference]: Without dead ends: 14844 [2022-01-28 14:16:44,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=281, Invalid=909, Unknown=0, NotChecked=0, Total=1190 [2022-01-28 14:16:44,738 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 1404 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1404 SdHoareTripleChecker+Valid, 1766 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:44,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1404 Valid, 1766 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 14:16:44,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14844 states. [2022-01-28 14:16:44,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14844 to 4189. [2022-01-28 14:16:44,823 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) [2022-01-28 14:16:44,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 8285 transitions. [2022-01-28 14:16:44,828 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 8285 transitions. Word has length 105 [2022-01-28 14:16:44,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:44,828 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 8285 transitions. [2022-01-28 14:16:44,828 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) [2022-01-28 14:16:44,828 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 8285 transitions. [2022-01-28 14:16:44,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:44,830 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:44,830 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] [2022-01-28 14:16:44,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:45,047 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,SelfDestructingSolverStorable43 [2022-01-28 14:16:45,047 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)] === [2022-01-28 14:16:45,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:45,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1665714967, now seen corresponding path program 35 times [2022-01-28 14:16:45,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:45,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821989840] [2022-01-28 14:16:45,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:45,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:45,352 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:45,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:45,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821989840] [2022-01-28 14:16:45,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821989840] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:45,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026039477] [2022-01-28 14:16:45,353 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-28 14:16:45,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:45,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:45,357 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) [2022-01-28 14:16:45,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-01-28 14:16:45,596 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-01-28 14:16:45,596 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:45,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:45,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:45,980 INFO L388 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 [2022-01-28 14:16:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:46,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:46,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026039477] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:46,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:46,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:16:46,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846056833] [2022-01-28 14:16:46,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:46,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:46,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:46,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:46,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:16:46,073 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) [2022-01-28 14:16:46,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:46,853 INFO L93 Difference]: Finished difference Result 10772 states and 21389 transitions. [2022-01-28 14:16:46,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-28 14:16:46,853 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 [2022-01-28 14:16:46,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:46,864 INFO L225 Difference]: With dead ends: 10772 [2022-01-28 14:16:46,865 INFO L226 Difference]: Without dead ends: 10772 [2022-01-28 14:16:46,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=205, Invalid=1277, Unknown=0, NotChecked=0, Total=1482 [2022-01-28 14:16:46,866 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 1098 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 1842 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:46,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1098 Valid, 1842 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-28 14:16:46,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10772 states. [2022-01-28 14:16:46,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10772 to 4195. [2022-01-28 14:16:46,921 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) [2022-01-28 14:16:46,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 4195 states and 8297 transitions. [2022-01-28 14:16:46,925 INFO L78 Accepts]: Start accepts. Automaton has 4195 states and 8297 transitions. Word has length 105 [2022-01-28 14:16:46,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:46,925 INFO L470 AbstractCegarLoop]: Abstraction has 4195 states and 8297 transitions. [2022-01-28 14:16:46,925 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) [2022-01-28 14:16:46,925 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 8297 transitions. [2022-01-28 14:16:46,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:46,927 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:46,927 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] [2022-01-28 14:16:46,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:47,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:47,144 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)] === [2022-01-28 14:16:47,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:47,144 INFO L85 PathProgramCache]: Analyzing trace with hash 583692235, now seen corresponding path program 36 times [2022-01-28 14:16:47,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:47,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080478779] [2022-01-28 14:16:47,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:47,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:47,518 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:47,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:47,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080478779] [2022-01-28 14:16:47,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080478779] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:47,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553563948] [2022-01-28 14:16:47,518 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-28 14:16:47,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:47,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:47,519 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) [2022-01-28 14:16:47,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-01-28 14:16:47,733 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-01-28 14:16:47,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:47,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:47,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:48,023 INFO L388 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 [2022-01-28 14:16:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:48,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:48,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553563948] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:48,112 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:48,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:16:48,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015036682] [2022-01-28 14:16:48,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:48,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:48,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:48,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:48,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:16:48,113 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) [2022-01-28 14:16:49,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:49,353 INFO L93 Difference]: Finished difference Result 12067 states and 23941 transitions. [2022-01-28 14:16:49,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-28 14:16:49,354 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 [2022-01-28 14:16:49,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:49,366 INFO L225 Difference]: With dead ends: 12067 [2022-01-28 14:16:49,366 INFO L226 Difference]: Without dead ends: 12067 [2022-01-28 14:16:49,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=345, Invalid=2007, Unknown=0, NotChecked=0, Total=2352 [2022-01-28 14:16:49,367 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 1253 mSDsluCounter, 1630 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 2000 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:49,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1253 Valid, 2000 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 14:16:49,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12067 states. [2022-01-28 14:16:49,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12067 to 4193. [2022-01-28 14:16:49,434 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) [2022-01-28 14:16:49,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 8293 transitions. [2022-01-28 14:16:49,439 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 8293 transitions. Word has length 105 [2022-01-28 14:16:49,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:49,439 INFO L470 AbstractCegarLoop]: Abstraction has 4193 states and 8293 transitions. [2022-01-28 14:16:49,439 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) [2022-01-28 14:16:49,439 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 8293 transitions. [2022-01-28 14:16:49,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:49,440 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:49,440 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] [2022-01-28 14:16:49,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:49,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:49,655 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)] === [2022-01-28 14:16:49,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:49,656 INFO L85 PathProgramCache]: Analyzing trace with hash -653568441, now seen corresponding path program 37 times [2022-01-28 14:16:49,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:49,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862690627] [2022-01-28 14:16:49,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:49,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:49,914 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:49,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:49,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862690627] [2022-01-28 14:16:49,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862690627] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:49,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258264419] [2022-01-28 14:16:49,914 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-28 14:16:49,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:49,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:49,915 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) [2022-01-28 14:16:49,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-01-28 14:16:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:50,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:50,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:50,338 INFO L388 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 [2022-01-28 14:16:50,413 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:50,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:50,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258264419] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:50,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:50,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:16:50,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292607582] [2022-01-28 14:16:50,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:50,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:50,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:50,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:50,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:16:50,414 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) [2022-01-28 14:16:51,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:51,630 INFO L93 Difference]: Finished difference Result 13459 states and 26701 transitions. [2022-01-28 14:16:51,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-28 14:16:51,630 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 [2022-01-28 14:16:51,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:51,646 INFO L225 Difference]: With dead ends: 13459 [2022-01-28 14:16:51,647 INFO L226 Difference]: Without dead ends: 13459 [2022-01-28 14:16:51,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=411, Invalid=2345, Unknown=0, NotChecked=0, Total=2756 [2022-01-28 14:16:51,647 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 1200 mSDsluCounter, 1853 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1200 SdHoareTripleChecker+Valid, 2256 SdHoareTripleChecker+Invalid, 1242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:51,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1200 Valid, 2256 Invalid, 1242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1218 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-28 14:16:51,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13459 states. [2022-01-28 14:16:51,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13459 to 4183. [2022-01-28 14:16:51,750 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) [2022-01-28 14:16:51,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 4183 states and 8273 transitions. [2022-01-28 14:16:51,754 INFO L78 Accepts]: Start accepts. Automaton has 4183 states and 8273 transitions. Word has length 105 [2022-01-28 14:16:51,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:51,754 INFO L470 AbstractCegarLoop]: Abstraction has 4183 states and 8273 transitions. [2022-01-28 14:16:51,754 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) [2022-01-28 14:16:51,754 INFO L276 IsEmpty]: Start isEmpty. Operand 4183 states and 8273 transitions. [2022-01-28 14:16:51,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-28 14:16:51,756 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:51,756 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] [2022-01-28 14:16:51,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:51,959 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,SelfDestructingSolverStorable46 [2022-01-28 14:16:51,959 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)] === [2022-01-28 14:16:51,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:51,960 INFO L85 PathProgramCache]: Analyzing trace with hash 937596017, now seen corresponding path program 38 times [2022-01-28 14:16:51,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:51,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100223994] [2022-01-28 14:16:51,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:51,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:52,204 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-01-28 14:16:52,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:52,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100223994] [2022-01-28 14:16:52,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100223994] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:52,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100220262] [2022-01-28 14:16:52,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 14:16:52,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:52,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:52,213 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) [2022-01-28 14:16:52,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-01-28 14:16:52,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-28 14:16:52,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 14:16:52,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-28 14:16:52,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:52,721 INFO L388 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 [2022-01-28 14:16:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:52,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 14:16:52,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100220262] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:52,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 14:16:52,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 26 [2022-01-28 14:16:52,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230266560] [2022-01-28 14:16:52,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:52,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:52,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:52,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:52,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-01-28 14:16:52,790 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) [2022-01-28 14:16:53,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:53,908 INFO L93 Difference]: Finished difference Result 9788 states and 19440 transitions. [2022-01-28 14:16:53,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-28 14:16:53,909 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 [2022-01-28 14:16:53,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:53,919 INFO L225 Difference]: With dead ends: 9788 [2022-01-28 14:16:53,919 INFO L226 Difference]: Without dead ends: 9788 [2022-01-28 14:16:53,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=390, Invalid=2160, Unknown=0, NotChecked=0, Total=2550 [2022-01-28 14:16:53,920 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 1151 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1151 SdHoareTripleChecker+Valid, 1795 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:53,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1151 Valid, 1795 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-28 14:16:53,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9788 states. [2022-01-28 14:16:53,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9788 to 4243. [2022-01-28 14:16:53,971 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) [2022-01-28 14:16:53,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 8393 transitions. [2022-01-28 14:16:53,975 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 8393 transitions. Word has length 105 [2022-01-28 14:16:53,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:53,976 INFO L470 AbstractCegarLoop]: Abstraction has 4243 states and 8393 transitions. [2022-01-28 14:16:53,976 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) [2022-01-28 14:16:53,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 8393 transitions. [2022-01-28 14:16:53,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-28 14:16:53,977 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:53,977 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] [2022-01-28 14:16:53,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:54,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2022-01-28 14:16:54,190 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-01-28 14:16:54,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:54,190 INFO L85 PathProgramCache]: Analyzing trace with hash -2116267346, now seen corresponding path program 1 times [2022-01-28 14:16:54,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:54,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516116187] [2022-01-28 14:16:54,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:54,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:54,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:54,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516116187] [2022-01-28 14:16:54,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516116187] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:54,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884290549] [2022-01-28 14:16:54,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:54,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:54,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:54,237 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) [2022-01-28 14:16:54,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-01-28 14:16:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:54,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-28 14:16:54,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:54,638 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:54,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 14:16:54,762 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:54,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884290549] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 14:16:54,762 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 14:16:54,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-28 14:16:54,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893449370] [2022-01-28 14:16:54,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 14:16:54,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-28 14:16:54,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:54,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-28 14:16:54,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-28 14:16:54,763 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) [2022-01-28 14:16:54,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:54,812 INFO L93 Difference]: Finished difference Result 7439 states and 14753 transitions. [2022-01-28 14:16:54,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 14:16:54,812 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 [2022-01-28 14:16:54,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:54,820 INFO L225 Difference]: With dead ends: 7439 [2022-01-28 14:16:54,820 INFO L226 Difference]: Without dead ends: 7439 [2022-01-28 14:16:54,820 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 [2022-01-28 14:16:54,821 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 855 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:54,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [855 Valid, 744 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 14:16:54,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7439 states. [2022-01-28 14:16:54,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7439 to 7162. [2022-01-28 14:16:54,889 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) [2022-01-28 14:16:54,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7162 states to 7162 states and 14374 transitions. [2022-01-28 14:16:54,898 INFO L78 Accepts]: Start accepts. Automaton has 7162 states and 14374 transitions. Word has length 108 [2022-01-28 14:16:54,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:54,898 INFO L470 AbstractCegarLoop]: Abstraction has 7162 states and 14374 transitions. [2022-01-28 14:16:54,898 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) [2022-01-28 14:16:54,898 INFO L276 IsEmpty]: Start isEmpty. Operand 7162 states and 14374 transitions. [2022-01-28 14:16:54,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-01-28 14:16:54,900 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:54,900 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] [2022-01-28 14:16:54,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-01-28 14:16:55,103 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,SelfDestructingSolverStorable48 [2022-01-28 14:16:55,103 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-01-28 14:16:55,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:55,104 INFO L85 PathProgramCache]: Analyzing trace with hash -502562751, now seen corresponding path program 1 times [2022-01-28 14:16:55,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:55,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646904441] [2022-01-28 14:16:55,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:55,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:55,155 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-01-28 14:16:55,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:55,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646904441] [2022-01-28 14:16:55,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646904441] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 14:16:55,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 14:16:55,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 14:16:55,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29417631] [2022-01-28 14:16:55,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 14:16:55,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 14:16:55,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:55,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 14:16:55,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-28 14:16:55,156 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) [2022-01-28 14:16:55,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:16:55,408 INFO L93 Difference]: Finished difference Result 8006 states and 16072 transitions. [2022-01-28 14:16:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 14:16:55,408 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 [2022-01-28 14:16:55,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:16:55,421 INFO L225 Difference]: With dead ends: 8006 [2022-01-28 14:16:55,421 INFO L226 Difference]: Without dead ends: 7476 [2022-01-28 14:16:55,421 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 [2022-01-28 14:16:55,421 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 180 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-28 14:16:55,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 672 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-28 14:16:55,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7476 states. [2022-01-28 14:16:55,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7476 to 6816. [2022-01-28 14:16:55,491 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) [2022-01-28 14:16:55,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6816 states to 6816 states and 13692 transitions. [2022-01-28 14:16:55,504 INFO L78 Accepts]: Start accepts. Automaton has 6816 states and 13692 transitions. Word has length 114 [2022-01-28 14:16:55,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:16:55,504 INFO L470 AbstractCegarLoop]: Abstraction has 6816 states and 13692 transitions. [2022-01-28 14:16:55,504 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) [2022-01-28 14:16:55,504 INFO L276 IsEmpty]: Start isEmpty. Operand 6816 states and 13692 transitions. [2022-01-28 14:16:55,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-01-28 14:16:55,507 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:16:55,507 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] [2022-01-28 14:16:55,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-01-28 14:16:55,507 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)] === [2022-01-28 14:16:55,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:16:55,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1642661824, now seen corresponding path program 1 times [2022-01-28 14:16:55,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:16:55,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762062440] [2022-01-28 14:16:55,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:55,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:16:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:55,751 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:55,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:16:55,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762062440] [2022-01-28 14:16:55,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762062440] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:16:55,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144852441] [2022-01-28 14:16:55,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:16:55,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:16:55,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:16:55,753 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 14:16:55,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2022-01-28 14:16:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:16:56,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 37 conjunts are in the unsatisfiable core [2022-01-28 14:16:56,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:16:56,607 INFO L388 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 [2022-01-28 14:16:56,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:56,634 INFO L388 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 [2022-01-28 14:16:56,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:56,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:56,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:56,681 INFO L388 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 [2022-01-28 14:16:56,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:56,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:56,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:56,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:56,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:56,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:16:56,718 INFO L388 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 [2022-01-28 14:16:56,805 INFO L354 Elim1Store]: treesize reduction 204, result has 14.6 percent of original size [2022-01-28 14:16:56,805 INFO L388 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 [2022-01-28 14:16:56,828 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:56,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 14:16:57,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:16:57,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:16:57,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:16:57,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:16:57,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:16:57,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:16:57,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:16:57,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:16:57,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:16:57,972 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:16:57,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144852441] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 14:16:57,972 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 14:16:57,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 14] total 40 [2022-01-28 14:16:57,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255583602] [2022-01-28 14:16:57,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 14:16:57,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-01-28 14:16:57,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:16:57,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-01-28 14:16:57,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1441, Unknown=0, NotChecked=0, Total=1640 [2022-01-28 14:16:57,974 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) [2022-01-28 14:17:01,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:17:01,859 INFO L93 Difference]: Finished difference Result 15698 states and 31502 transitions. [2022-01-28 14:17:01,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 14:17:01,860 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 [2022-01-28 14:17:01,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:17:01,890 INFO L225 Difference]: With dead ends: 15698 [2022-01-28 14:17:01,891 INFO L226 Difference]: Without dead ends: 15698 [2022-01-28 14:17:01,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2121 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1244, Invalid=6412, Unknown=0, NotChecked=0, Total=7656 [2022-01-28 14:17:01,893 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 2342 mSDsluCounter, 3937 mSDsCounter, 0 mSdLazyCounter, 4274 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2342 SdHoareTripleChecker+Valid, 4285 SdHoareTripleChecker+Invalid, 5010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 4274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 523 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-01-28 14:17:01,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2342 Valid, 4285 Invalid, 5010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 4274 Invalid, 0 Unknown, 523 Unchecked, 2.0s Time] [2022-01-28 14:17:01,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15698 states. [2022-01-28 14:17:02,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15698 to 7674. [2022-01-28 14:17:02,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7674 states, 7661 states have (on average 2.0165774703041377) internal successors, (15449), 7673 states have internal predecessors, (15449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:17:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7674 states to 7674 states and 15449 transitions. [2022-01-28 14:17:02,146 INFO L78 Accepts]: Start accepts. Automaton has 7674 states and 15449 transitions. Word has length 134 [2022-01-28 14:17:02,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:17:02,147 INFO L470 AbstractCegarLoop]: Abstraction has 7674 states and 15449 transitions. [2022-01-28 14:17:02,147 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) [2022-01-28 14:17:02,147 INFO L276 IsEmpty]: Start isEmpty. Operand 7674 states and 15449 transitions. [2022-01-28 14:17:02,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-01-28 14:17:02,150 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:17:02,150 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] [2022-01-28 14:17:02,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2022-01-28 14:17:02,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:17:02,351 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-01-28 14:17:02,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:17:02,351 INFO L85 PathProgramCache]: Analyzing trace with hash 730557632, now seen corresponding path program 1 times [2022-01-28 14:17:02,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:17:02,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127384068] [2022-01-28 14:17:02,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:17:02,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:17:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:17:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:17:02,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:17:02,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127384068] [2022-01-28 14:17:02,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127384068] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:17:02,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886240345] [2022-01-28 14:17:02,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:17:02,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:17:02,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:17:02,593 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 14:17:02,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2022-01-28 14:17:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:17:02,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 42 conjunts are in the unsatisfiable core [2022-01-28 14:17:02,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:17:03,684 INFO L388 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 [2022-01-28 14:17:03,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,720 INFO L388 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 [2022-01-28 14:17:03,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,763 INFO L388 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 [2022-01-28 14:17:03,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,818 INFO L388 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 [2022-01-28 14:17:03,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:03,881 INFO L388 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 [2022-01-28 14:17:03,913 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:17:03,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 14:17:04,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:17:04,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:17:04,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:17:04,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:17:04,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:17:04,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:17:04,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:17:04,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:17:04,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-28 14:17:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:17:04,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886240345] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 14:17:04,995 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 14:17:04,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 14] total 40 [2022-01-28 14:17:04,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004310335] [2022-01-28 14:17:04,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 14:17:04,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-01-28 14:17:04,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 14:17:04,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-01-28 14:17:05,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1441, Unknown=0, NotChecked=0, Total=1640 [2022-01-28 14:17:05,006 INFO L87 Difference]: Start difference. First operand 7674 states and 15449 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) [2022-01-28 14:17:07,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 14:17:07,714 INFO L93 Difference]: Finished difference Result 15824 states and 31718 transitions. [2022-01-28 14:17:07,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-28 14:17:07,715 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 [2022-01-28 14:17:07,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 14:17:07,741 INFO L225 Difference]: With dead ends: 15824 [2022-01-28 14:17:07,742 INFO L226 Difference]: Without dead ends: 15824 [2022-01-28 14:17:07,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2016 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1255, Invalid=6055, Unknown=0, NotChecked=0, Total=7310 [2022-01-28 14:17:07,743 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 2627 mSDsluCounter, 3453 mSDsCounter, 0 mSdLazyCounter, 3250 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 3753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 3250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 281 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-28 14:17:07,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2627 Valid, 3794 Invalid, 3753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 3250 Invalid, 0 Unknown, 281 Unchecked, 1.2s Time] [2022-01-28 14:17:07,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15824 states. [2022-01-28 14:17:07,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15824 to 7826. [2022-01-28 14:17:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7826 states, 7813 states have (on average 2.017662869576347) internal successors, (15764), 7825 states have internal predecessors, (15764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 14:17:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7826 states to 7826 states and 15764 transitions. [2022-01-28 14:17:07,859 INFO L78 Accepts]: Start accepts. Automaton has 7826 states and 15764 transitions. Word has length 134 [2022-01-28 14:17:07,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 14:17:07,859 INFO L470 AbstractCegarLoop]: Abstraction has 7826 states and 15764 transitions. [2022-01-28 14:17:07,859 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) [2022-01-28 14:17:07,859 INFO L276 IsEmpty]: Start isEmpty. Operand 7826 states and 15764 transitions. [2022-01-28 14:17:07,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-01-28 14:17:07,862 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 14:17:07,862 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] [2022-01-28 14:17:07,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2022-01-28 14:17:08,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:17:08,075 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-01-28 14:17:08,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 14:17:08,076 INFO L85 PathProgramCache]: Analyzing trace with hash -784951032, now seen corresponding path program 1 times [2022-01-28 14:17:08,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 14:17:08,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8088795] [2022-01-28 14:17:08,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:17:08,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 14:17:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:17:08,454 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:17:08,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 14:17:08,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8088795] [2022-01-28 14:17:08,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8088795] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 14:17:08,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545769146] [2022-01-28 14:17:08,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 14:17:08,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:17:08,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 14:17:08,455 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 14:17:08,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2022-01-28 14:17:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 14:17:08,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 47 conjunts are in the unsatisfiable core [2022-01-28 14:17:08,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 14:17:09,381 INFO L388 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 [2022-01-28 14:17:09,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,414 INFO L388 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 [2022-01-28 14:17:09,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,449 INFO L388 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 [2022-01-28 14:17:09,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,487 INFO L388 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 [2022-01-28 14:17:09,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,581 INFO L388 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 [2022-01-28 14:17:09,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,628 INFO L388 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 [2022-01-28 14:17:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,656 INFO L388 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 [2022-01-28 14:17:09,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 14:17:09,680 INFO L388 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 [2022-01-28 14:17:09,844 INFO L354 Elim1Store]: treesize reduction 328, result has 13.2 percent of original size [2022-01-28 14:17:09,845 INFO L388 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 [2022-01-28 14:17:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-01-28 14:17:12,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 14:17:13,910 INFO L354 Elim1Store]: treesize reduction 167, result has 18.9 percent of original size [2022-01-28 14:17:13,911 INFO L388 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 4691 treesize of output 4706 [2022-01-28 14:17:14,019 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-28 14:17:14,019 INFO L388 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 3280 treesize of output 3274 [2022-01-28 14:17:14,041 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2022-01-28 14:17:14,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2022-01-28 14:17:14,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 14:17:14,256 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:108) 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:124) 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:903) 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:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) 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:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) 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) [2022-01-28 14:17:14,259 INFO L158 Benchmark]: Toolchain (without parser) took 102814.24ms. Allocated memory was 174.1MB in the beginning and 648.0MB in the end (delta: 474.0MB). Free memory was 148.0MB in the beginning and 268.6MB in the end (delta: -120.6MB). Peak memory consumption was 353.9MB. Max. memory is 8.0GB. [2022-01-28 14:17:14,259 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 174.1MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 14:17:14,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.59ms. Allocated memory is still 174.1MB. Free memory was 148.0MB in the beginning and 130.4MB in the end (delta: 17.7MB). Peak memory consumption was 20.6MB. Max. memory is 8.0GB. [2022-01-28 14:17:14,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.87ms. Allocated memory is still 174.1MB. Free memory was 130.4MB in the beginning and 127.4MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-28 14:17:14,259 INFO L158 Benchmark]: Boogie Preprocessor took 33.83ms. Allocated memory is still 174.1MB. Free memory was 127.4MB in the beginning and 125.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 14:17:14,259 INFO L158 Benchmark]: RCFGBuilder took 373.23ms. Allocated memory is still 174.1MB. Free memory was 125.3MB in the beginning and 110.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-01-28 14:17:14,259 INFO L158 Benchmark]: TraceAbstraction took 101786.04ms. Allocated memory was 174.1MB in the beginning and 648.0MB in the end (delta: 474.0MB). Free memory was 110.0MB in the beginning and 268.6MB in the end (delta: -158.6MB). Peak memory consumption was 316.6MB. Max. memory is 8.0GB. [2022-01-28 14:17:14,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 174.1MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 551.59ms. Allocated memory is still 174.1MB. Free memory was 148.0MB in the beginning and 130.4MB in the end (delta: 17.7MB). Peak memory consumption was 20.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.87ms. Allocated memory is still 174.1MB. Free memory was 130.4MB in the beginning and 127.4MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.83ms. Allocated memory is still 174.1MB. Free memory was 127.4MB in the beginning and 125.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 373.23ms. Allocated memory is still 174.1MB. Free memory was 125.3MB in the beginning and 110.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 101786.04ms. Allocated memory was 174.1MB in the beginning and 648.0MB in the end (delta: 474.0MB). Free memory was 110.0MB in the beginning and 268.6MB in the end (delta: -158.6MB). Peak memory consumption was 316.6MB. 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:108) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-01-28 14:17:14,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...