/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/09-regions_05-ptra_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 15:09:21,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 15:09:21,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 15:09:21,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 15:09:21,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 15:09:21,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 15:09:21,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 15:09:21,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 15:09:21,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 15:09:21,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 15:09:21,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 15:09:21,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 15:09:21,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 15:09:21,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 15:09:21,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 15:09:21,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 15:09:21,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 15:09:21,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 15:09:21,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 15:09:21,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 15:09:21,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 15:09:21,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 15:09:21,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 15:09:21,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 15:09:21,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 15:09:21,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 15:09:21,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 15:09:21,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 15:09:21,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 15:09:21,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-15 15:09:21,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 15:09:21,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 15:09:21,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 15:09:21,519 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-15 15:09:21,542 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 15:09:21,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 15:09:21,543 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 15:09:21,543 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 15:09:21,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 15:09:21,544 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 15:09:21,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 15:09:21,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 15:09:21,544 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 15:09:21,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 15:09:21,545 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 15:09:21,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 15:09:21,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 15:09:21,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 15:09:21,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 15:09:21,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 15:09:21,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 15:09:21,546 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 15:09:21,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 15:09:21,546 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 15:09:21,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 15:09:21,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 15:09:21,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 15:09:21,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 15:09:21,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 15:09:21,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:09:21,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 15:09:21,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 15:09:21,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 15:09:21,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 15:09:21,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 15:09:21,548 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 15:09:21,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 15:09:21,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 15:09:21,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 15:09:21,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 15:09:21,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 15:09:21,795 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 15:09:21,795 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 15:09:21,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_05-ptra_rc.i [2022-03-15 15:09:21,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d1afbefb/21fa2833716e4ebfa8c8324d4ec052d2/FLAG18ad1480b [2022-03-15 15:09:22,281 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 15:09:22,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_05-ptra_rc.i [2022-03-15 15:09:22,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d1afbefb/21fa2833716e4ebfa8c8324d4ec052d2/FLAG18ad1480b [2022-03-15 15:09:22,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d1afbefb/21fa2833716e4ebfa8c8324d4ec052d2 [2022-03-15 15:09:22,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 15:09:22,321 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 15:09:22,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 15:09:22,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 15:09:22,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 15:09:22,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:09:22" (1/1) ... [2022-03-15 15:09:22,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4975a978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:22, skipping insertion in model container [2022-03-15 15:09:22,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:09:22" (1/1) ... [2022-03-15 15:09:22,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 15:09:22,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 15:09:22,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:09:22,849 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 15:09:22,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:09:22,965 INFO L208 MainTranslator]: Completed translation [2022-03-15 15:09:22,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:22 WrapperNode [2022-03-15 15:09:22,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 15:09:22,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 15:09:22,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 15:09:22,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 15:09:22,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:22" (1/1) ... [2022-03-15 15:09:23,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:22" (1/1) ... [2022-03-15 15:09:23,027 INFO L137 Inliner]: procedures = 369, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 212 [2022-03-15 15:09:23,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 15:09:23,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 15:09:23,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 15:09:23,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 15:09:23,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:22" (1/1) ... [2022-03-15 15:09:23,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:22" (1/1) ... [2022-03-15 15:09:23,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:22" (1/1) ... [2022-03-15 15:09:23,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:22" (1/1) ... [2022-03-15 15:09:23,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:22" (1/1) ... [2022-03-15 15:09:23,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:22" (1/1) ... [2022-03-15 15:09:23,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:22" (1/1) ... [2022-03-15 15:09:23,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 15:09:23,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 15:09:23,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 15:09:23,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 15:09:23,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:22" (1/1) ... [2022-03-15 15:09:23,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:09:23,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:09:23,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 15:09:23,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 15:09:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 15:09:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-15 15:09:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 15:09:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 15:09:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 15:09:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 15:09:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 15:09:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 15:09:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-15 15:09:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 15:09:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 15:09:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 15:09:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 15:09:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 15:09:23,144 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 15:09:23,252 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 15:09:23,253 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 15:09:23,618 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 15:09:23,632 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 15:09:23,632 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 15:09:23,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:09:23 BoogieIcfgContainer [2022-03-15 15:09:23,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 15:09:23,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 15:09:23,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 15:09:23,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 15:09:23,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 03:09:22" (1/3) ... [2022-03-15 15:09:23,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e2b4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:09:23, skipping insertion in model container [2022-03-15 15:09:23,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:09:22" (2/3) ... [2022-03-15 15:09:23,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e2b4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:09:23, skipping insertion in model container [2022-03-15 15:09:23,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:09:23" (3/3) ... [2022-03-15 15:09:23,642 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_05-ptra_rc.i [2022-03-15 15:09:23,645 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 15:09:23,646 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 15:09:23,646 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-03-15 15:09:23,646 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 15:09:23,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:09:23,757 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 15:09:23,801 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 15:09:23,807 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 15:09:23,807 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-03-15 15:09:23,820 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 254 places, 250 transitions, 505 flow [2022-03-15 15:09:23,925 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2585 states, 2542 states have (on average 1.9350904799370574) internal successors, (4919), 2584 states have internal predecessors, (4919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 2585 states, 2542 states have (on average 1.9350904799370574) internal successors, (4919), 2584 states have internal predecessors, (4919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:23,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-03-15 15:09:23,938 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:23,938 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:23,939 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:23,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:23,943 INFO L85 PathProgramCache]: Analyzing trace with hash 610496887, now seen corresponding path program 1 times [2022-03-15 15:09:23,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:23,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342191524] [2022-03-15 15:09:23,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:23,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:24,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:24,270 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:24,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342191524] [2022-03-15 15:09:24,271 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342191524] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:24,271 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:24,271 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:24,272 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072795947] [2022-03-15 15:09:24,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:24,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:24,277 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:24,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:24,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:24,307 INFO L87 Difference]: Start difference. First operand has 2585 states, 2542 states have (on average 1.9350904799370574) internal successors, (4919), 2584 states have internal predecessors, (4919), 0 states have call successors, (0), 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 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:24,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:24,513 INFO L93 Difference]: Finished difference Result 2582 states and 4916 transitions. [2022-03-15 15:09:24,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:24,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-03-15 15:09:24,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:24,541 INFO L225 Difference]: With dead ends: 2582 [2022-03-15 15:09:24,541 INFO L226 Difference]: Without dead ends: 2582 [2022-03-15 15:09:24,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:24,546 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 9 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:24,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 379 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 15:09:24,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2582 states. [2022-03-15 15:09:24,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2582 to 2582. [2022-03-15 15:09:24,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2582 states, 2542 states have (on average 1.9339103068450039) internal successors, (4916), 2581 states have internal predecessors, (4916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:24,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2582 states and 4916 transitions. [2022-03-15 15:09:24,655 INFO L78 Accepts]: Start accepts. Automaton has 2582 states and 4916 transitions. Word has length 47 [2022-03-15 15:09:24,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:24,655 INFO L470 AbstractCegarLoop]: Abstraction has 2582 states and 4916 transitions. [2022-03-15 15:09:24,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:24,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 4916 transitions. [2022-03-15 15:09:24,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-03-15 15:09:24,656 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:24,656 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:24,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 15:09:24,657 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:24,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:24,658 INFO L85 PathProgramCache]: Analyzing trace with hash -2061078139, now seen corresponding path program 1 times [2022-03-15 15:09:24,658 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:24,659 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147324294] [2022-03-15 15:09:24,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:24,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:24,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:24,822 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:24,822 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147324294] [2022-03-15 15:09:24,822 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147324294] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:24,823 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:24,823 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:24,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718676758] [2022-03-15 15:09:24,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:24,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:24,826 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:24,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:24,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:24,829 INFO L87 Difference]: Start difference. First operand 2582 states and 4916 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:25,019 INFO L93 Difference]: Finished difference Result 2579 states and 4913 transitions. [2022-03-15 15:09:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:25,019 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-03-15 15:09:25,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:25,028 INFO L225 Difference]: With dead ends: 2579 [2022-03-15 15:09:25,028 INFO L226 Difference]: Without dead ends: 2579 [2022-03-15 15:09:25,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:25,029 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 6 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:25,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 668 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:09:25,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2022-03-15 15:09:25,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 2579. [2022-03-15 15:09:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2579 states, 2542 states have (on average 1.9327301337529503) internal successors, (4913), 2578 states have internal predecessors, (4913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 2579 states and 4913 transitions. [2022-03-15 15:09:25,076 INFO L78 Accepts]: Start accepts. Automaton has 2579 states and 4913 transitions. Word has length 55 [2022-03-15 15:09:25,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:25,076 INFO L470 AbstractCegarLoop]: Abstraction has 2579 states and 4913 transitions. [2022-03-15 15:09:25,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 4913 transitions. [2022-03-15 15:09:25,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-03-15 15:09:25,078 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:25,078 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:25,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 15:09:25,078 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:25,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:25,078 INFO L85 PathProgramCache]: Analyzing trace with hash -467481932, now seen corresponding path program 1 times [2022-03-15 15:09:25,079 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:25,079 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315904250] [2022-03-15 15:09:25,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:25,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:25,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:25,121 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:25,121 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315904250] [2022-03-15 15:09:25,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315904250] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:25,121 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:25,121 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:09:25,121 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747423086] [2022-03-15 15:09:25,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:25,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:09:25,122 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:25,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:09:25,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:25,122 INFO L87 Difference]: Start difference. First operand 2579 states and 4913 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:25,147 INFO L93 Difference]: Finished difference Result 2578 states and 4912 transitions. [2022-03-15 15:09:25,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:09:25,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-03-15 15:09:25,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:25,155 INFO L225 Difference]: With dead ends: 2578 [2022-03-15 15:09:25,155 INFO L226 Difference]: Without dead ends: 2578 [2022-03-15 15:09:25,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:25,156 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 2 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:25,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 460 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:09:25,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2578 states. [2022-03-15 15:09:25,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2578 to 2578. [2022-03-15 15:09:25,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2578 states, 2542 states have (on average 1.932336742722266) internal successors, (4912), 2577 states have internal predecessors, (4912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2578 states and 4912 transitions. [2022-03-15 15:09:25,216 INFO L78 Accepts]: Start accepts. Automaton has 2578 states and 4912 transitions. Word has length 62 [2022-03-15 15:09:25,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:25,217 INFO L470 AbstractCegarLoop]: Abstraction has 2578 states and 4912 transitions. [2022-03-15 15:09:25,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 4912 transitions. [2022-03-15 15:09:25,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-15 15:09:25,218 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:25,218 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:25,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 15:09:25,218 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:25,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:25,218 INFO L85 PathProgramCache]: Analyzing trace with hash 741524576, now seen corresponding path program 1 times [2022-03-15 15:09:25,219 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:25,219 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006409976] [2022-03-15 15:09:25,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:25,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:25,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:25,279 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:25,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006409976] [2022-03-15 15:09:25,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006409976] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:25,280 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:25,280 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:09:25,280 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510887757] [2022-03-15 15:09:25,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:25,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:09:25,280 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:25,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:09:25,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:25,281 INFO L87 Difference]: Start difference. First operand 2578 states and 4912 transitions. Second operand has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:25,302 INFO L93 Difference]: Finished difference Result 2437 states and 4635 transitions. [2022-03-15 15:09:25,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:09:25,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2022-03-15 15:09:25,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:25,310 INFO L225 Difference]: With dead ends: 2437 [2022-03-15 15:09:25,310 INFO L226 Difference]: Without dead ends: 2437 [2022-03-15 15:09:25,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:25,314 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 168 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:25,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 293 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:09:25,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2437 states. [2022-03-15 15:09:25,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2437 to 2437. [2022-03-15 15:09:25,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2437 states, 2417 states have (on average 1.9176665287546546) internal successors, (4635), 2436 states have internal predecessors, (4635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 2437 states and 4635 transitions. [2022-03-15 15:09:25,359 INFO L78 Accepts]: Start accepts. Automaton has 2437 states and 4635 transitions. Word has length 66 [2022-03-15 15:09:25,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:25,359 INFO L470 AbstractCegarLoop]: Abstraction has 2437 states and 4635 transitions. [2022-03-15 15:09:25,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 4635 transitions. [2022-03-15 15:09:25,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-03-15 15:09:25,360 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:25,360 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:25,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 15:09:25,360 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:25,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:25,361 INFO L85 PathProgramCache]: Analyzing trace with hash 518088406, now seen corresponding path program 1 times [2022-03-15 15:09:25,361 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:25,361 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391258261] [2022-03-15 15:09:25,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:25,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:25,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:25,462 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:25,462 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391258261] [2022-03-15 15:09:25,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391258261] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:25,463 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:25,463 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:25,463 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611171051] [2022-03-15 15:09:25,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:25,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:25,463 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:25,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:25,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:25,464 INFO L87 Difference]: Start difference. First operand 2437 states and 4635 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:25,629 INFO L93 Difference]: Finished difference Result 2436 states and 4634 transitions. [2022-03-15 15:09:25,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:25,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-03-15 15:09:25,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:25,637 INFO L225 Difference]: With dead ends: 2436 [2022-03-15 15:09:25,638 INFO L226 Difference]: Without dead ends: 2436 [2022-03-15 15:09:25,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:25,639 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 2 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:25,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 675 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 15:09:25,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2022-03-15 15:09:25,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 2436. [2022-03-15 15:09:25,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2436 states, 2417 states have (on average 1.9172527927182457) internal successors, (4634), 2435 states have internal predecessors, (4634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2436 states and 4634 transitions. [2022-03-15 15:09:25,693 INFO L78 Accepts]: Start accepts. Automaton has 2436 states and 4634 transitions. Word has length 97 [2022-03-15 15:09:25,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:25,693 INFO L470 AbstractCegarLoop]: Abstraction has 2436 states and 4634 transitions. [2022-03-15 15:09:25,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 4634 transitions. [2022-03-15 15:09:25,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-03-15 15:09:25,699 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:25,699 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:25,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 15:09:25,700 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:25,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:25,700 INFO L85 PathProgramCache]: Analyzing trace with hash 563099613, now seen corresponding path program 1 times [2022-03-15 15:09:25,700 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:25,700 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158996274] [2022-03-15 15:09:25,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:25,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:25,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:25,777 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:25,777 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158996274] [2022-03-15 15:09:25,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158996274] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:25,778 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:25,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:09:25,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121875301] [2022-03-15 15:09:25,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:25,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:09:25,778 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:25,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:09:25,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:25,779 INFO L87 Difference]: Start difference. First operand 2436 states and 4634 transitions. Second operand has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:25,792 INFO L93 Difference]: Finished difference Result 2435 states and 4633 transitions. [2022-03-15 15:09:25,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:09:25,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2022-03-15 15:09:25,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:25,800 INFO L225 Difference]: With dead ends: 2435 [2022-03-15 15:09:25,800 INFO L226 Difference]: Without dead ends: 2435 [2022-03-15 15:09:25,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:25,802 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 2 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:25,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 458 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:09:25,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2435 states. [2022-03-15 15:09:25,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2435 to 2435. [2022-03-15 15:09:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2435 states, 2417 states have (on average 1.916839056681837) internal successors, (4633), 2434 states have internal predecessors, (4633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2435 states and 4633 transitions. [2022-03-15 15:09:25,845 INFO L78 Accepts]: Start accepts. Automaton has 2435 states and 4633 transitions. Word has length 103 [2022-03-15 15:09:25,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:25,845 INFO L470 AbstractCegarLoop]: Abstraction has 2435 states and 4633 transitions. [2022-03-15 15:09:25,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 4633 transitions. [2022-03-15 15:09:25,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-03-15 15:09:25,846 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:25,847 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:25,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 15:09:25,847 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:25,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:25,847 INFO L85 PathProgramCache]: Analyzing trace with hash -313359700, now seen corresponding path program 1 times [2022-03-15 15:09:25,847 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:25,847 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229462769] [2022-03-15 15:09:25,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:25,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:25,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:25,886 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:25,886 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229462769] [2022-03-15 15:09:25,886 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229462769] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:25,886 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:25,886 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:09:25,886 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854415211] [2022-03-15 15:09:25,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:25,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:09:25,887 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:25,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:09:25,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:25,887 INFO L87 Difference]: Start difference. First operand 2435 states and 4633 transitions. Second operand has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:25,897 INFO L93 Difference]: Finished difference Result 2434 states and 4632 transitions. [2022-03-15 15:09:25,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:09:25,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-03-15 15:09:25,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:25,905 INFO L225 Difference]: With dead ends: 2434 [2022-03-15 15:09:25,905 INFO L226 Difference]: Without dead ends: 2434 [2022-03-15 15:09:25,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:25,906 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 128 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:25,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 335 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:09:25,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2022-03-15 15:09:25,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2434. [2022-03-15 15:09:25,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2434 states, 2417 states have (on average 1.9164253206454283) internal successors, (4632), 2433 states have internal predecessors, (4632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 4632 transitions. [2022-03-15 15:09:25,939 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 4632 transitions. Word has length 107 [2022-03-15 15:09:25,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:25,939 INFO L470 AbstractCegarLoop]: Abstraction has 2434 states and 4632 transitions. [2022-03-15 15:09:25,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 4632 transitions. [2022-03-15 15:09:25,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-03-15 15:09:25,940 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:25,940 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:25,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 15:09:25,940 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:25,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:25,940 INFO L85 PathProgramCache]: Analyzing trace with hash 147558708, now seen corresponding path program 1 times [2022-03-15 15:09:25,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:25,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755409963] [2022-03-15 15:09:25,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:25,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:26,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:26,086 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:26,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755409963] [2022-03-15 15:09:26,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755409963] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:26,086 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:26,086 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:26,086 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890924322] [2022-03-15 15:09:26,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:26,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:26,087 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:26,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:26,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:26,088 INFO L87 Difference]: Start difference. First operand 2434 states and 4632 transitions. Second operand has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:26,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:26,405 INFO L93 Difference]: Finished difference Result 3561 states and 6799 transitions. [2022-03-15 15:09:26,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:26,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2022-03-15 15:09:26,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:26,417 INFO L225 Difference]: With dead ends: 3561 [2022-03-15 15:09:26,418 INFO L226 Difference]: Without dead ends: 3561 [2022-03-15 15:09:26,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:26,418 INFO L933 BasicCegarLoop]: 363 mSDtfsCounter, 285 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:26,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 762 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 15:09:26,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3561 states. [2022-03-15 15:09:26,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3561 to 2563. [2022-03-15 15:09:26,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 2549 states have (on average 1.916437818752452) internal successors, (4885), 2562 states have internal predecessors, (4885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:26,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 4885 transitions. [2022-03-15 15:09:26,469 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 4885 transitions. Word has length 147 [2022-03-15 15:09:26,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:26,470 INFO L470 AbstractCegarLoop]: Abstraction has 2563 states and 4885 transitions. [2022-03-15 15:09:26,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:26,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 4885 transitions. [2022-03-15 15:09:26,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-03-15 15:09:26,471 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:26,471 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:26,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 15:09:26,471 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:26,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:26,472 INFO L85 PathProgramCache]: Analyzing trace with hash 753120510, now seen corresponding path program 1 times [2022-03-15 15:09:26,472 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:26,472 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118287781] [2022-03-15 15:09:26,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:26,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:26,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:26,595 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:26,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118287781] [2022-03-15 15:09:26,595 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118287781] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:26,595 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:26,595 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:26,595 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534468304] [2022-03-15 15:09:26,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:26,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:26,595 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:26,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:26,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:26,596 INFO L87 Difference]: Start difference. First operand 2563 states and 4885 transitions. Second operand has 6 states, 5 states have (on average 30.6) internal successors, (153), 6 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:26,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:26,766 INFO L93 Difference]: Finished difference Result 2675 states and 5104 transitions. [2022-03-15 15:09:26,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:26,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 30.6) internal successors, (153), 6 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2022-03-15 15:09:26,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:26,773 INFO L225 Difference]: With dead ends: 2675 [2022-03-15 15:09:26,773 INFO L226 Difference]: Without dead ends: 2675 [2022-03-15 15:09:26,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:26,774 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 103 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:26,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 675 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:09:26,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2675 states. [2022-03-15 15:09:26,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2675 to 2648. [2022-03-15 15:09:26,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2648 states, 2634 states have (on average 1.9176157934700075) internal successors, (5051), 2647 states have internal predecessors, (5051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:26,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2648 states and 5051 transitions. [2022-03-15 15:09:26,809 INFO L78 Accepts]: Start accepts. Automaton has 2648 states and 5051 transitions. Word has length 153 [2022-03-15 15:09:26,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:26,809 INFO L470 AbstractCegarLoop]: Abstraction has 2648 states and 5051 transitions. [2022-03-15 15:09:26,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 30.6) internal successors, (153), 6 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:26,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 5051 transitions. [2022-03-15 15:09:26,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-03-15 15:09:26,810 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:26,810 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:26,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 15:09:26,811 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:26,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:26,811 INFO L85 PathProgramCache]: Analyzing trace with hash 2099992973, now seen corresponding path program 1 times [2022-03-15 15:09:26,811 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:26,811 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426416022] [2022-03-15 15:09:26,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:26,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:26,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:26,921 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:26,921 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426416022] [2022-03-15 15:09:26,921 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426416022] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:26,921 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:26,921 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:26,921 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121266691] [2022-03-15 15:09:26,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:26,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:26,921 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:26,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:26,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:26,922 INFO L87 Difference]: Start difference. First operand 2648 states and 5051 transitions. Second operand has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:27,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:27,219 INFO L93 Difference]: Finished difference Result 3289 states and 6265 transitions. [2022-03-15 15:09:27,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:27,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2022-03-15 15:09:27,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:27,226 INFO L225 Difference]: With dead ends: 3289 [2022-03-15 15:09:27,226 INFO L226 Difference]: Without dead ends: 3174 [2022-03-15 15:09:27,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:27,227 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 206 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:27,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 830 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 15:09:27,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2022-03-15 15:09:27,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 2724. [2022-03-15 15:09:27,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2724 states, 2710 states have (on average 1.9166051660516605) internal successors, (5194), 2723 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:27,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2724 states and 5194 transitions. [2022-03-15 15:09:27,274 INFO L78 Accepts]: Start accepts. Automaton has 2724 states and 5194 transitions. Word has length 156 [2022-03-15 15:09:27,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:27,275 INFO L470 AbstractCegarLoop]: Abstraction has 2724 states and 5194 transitions. [2022-03-15 15:09:27,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 5194 transitions. [2022-03-15 15:09:27,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-03-15 15:09:27,276 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:27,276 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:27,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 15:09:27,276 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:27,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:27,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1018956669, now seen corresponding path program 1 times [2022-03-15 15:09:27,277 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:27,277 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436062727] [2022-03-15 15:09:27,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:27,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:27,377 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:27,377 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436062727] [2022-03-15 15:09:27,377 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436062727] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:27,377 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:27,377 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:27,377 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801038762] [2022-03-15 15:09:27,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:27,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:27,378 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:27,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:27,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:27,378 INFO L87 Difference]: Start difference. First operand 2724 states and 5194 transitions. Second operand has 6 states, 5 states have (on average 32.2) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:27,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:27,573 INFO L93 Difference]: Finished difference Result 2838 states and 5417 transitions. [2022-03-15 15:09:27,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:27,573 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 32.2) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 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 161 [2022-03-15 15:09:27,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:27,578 INFO L225 Difference]: With dead ends: 2838 [2022-03-15 15:09:27,578 INFO L226 Difference]: Without dead ends: 2838 [2022-03-15 15:09:27,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:27,579 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 102 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:27,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 696 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:09:27,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2838 states. [2022-03-15 15:09:27,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2838 to 2808. [2022-03-15 15:09:27,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2808 states, 2794 states have (on average 1.917680744452398) internal successors, (5358), 2807 states have internal predecessors, (5358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:27,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2808 states and 5358 transitions. [2022-03-15 15:09:27,616 INFO L78 Accepts]: Start accepts. Automaton has 2808 states and 5358 transitions. Word has length 161 [2022-03-15 15:09:27,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:27,617 INFO L470 AbstractCegarLoop]: Abstraction has 2808 states and 5358 transitions. [2022-03-15 15:09:27,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.2) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:27,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 5358 transitions. [2022-03-15 15:09:27,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:27,618 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:27,618 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:27,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-15 15:09:27,618 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:27,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:27,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1501485524, now seen corresponding path program 1 times [2022-03-15 15:09:27,619 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:27,619 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194840019] [2022-03-15 15:09:27,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:27,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:27,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:27,879 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:27,879 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194840019] [2022-03-15 15:09:27,879 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194840019] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:27,879 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:27,879 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 15:09:27,879 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80373320] [2022-03-15 15:09:27,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:27,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 15:09:27,880 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:27,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 15:09:27,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-03-15 15:09:27,880 INFO L87 Difference]: Start difference. First operand 2808 states and 5358 transitions. Second operand has 12 states, 11 states have (on average 14.818181818181818) internal successors, (163), 12 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:28,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:28,803 INFO L93 Difference]: Finished difference Result 4093 states and 7839 transitions. [2022-03-15 15:09:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-15 15:09:28,804 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.818181818181818) internal successors, (163), 12 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:28,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:28,812 INFO L225 Difference]: With dead ends: 4093 [2022-03-15 15:09:28,812 INFO L226 Difference]: Without dead ends: 4093 [2022-03-15 15:09:28,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=237, Invalid=693, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:09:28,813 INFO L933 BasicCegarLoop]: 359 mSDtfsCounter, 569 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1712 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:28,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [569 Valid, 1712 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:09:28,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4093 states. [2022-03-15 15:09:28,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4093 to 2819. [2022-03-15 15:09:28,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2805 states have (on average 1.9180035650623886) internal successors, (5380), 2818 states have internal predecessors, (5380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:28,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 5380 transitions. [2022-03-15 15:09:28,882 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 5380 transitions. Word has length 163 [2022-03-15 15:09:28,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:28,883 INFO L470 AbstractCegarLoop]: Abstraction has 2819 states and 5380 transitions. [2022-03-15 15:09:28,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.818181818181818) internal successors, (163), 12 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:28,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 5380 transitions. [2022-03-15 15:09:28,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:28,884 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:28,884 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:28,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-15 15:09:28,884 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:28,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:28,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1601525624, now seen corresponding path program 2 times [2022-03-15 15:09:28,886 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:28,886 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421281867] [2022-03-15 15:09:28,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:28,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:29,102 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:29,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421281867] [2022-03-15 15:09:29,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421281867] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:29,102 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:29,102 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:29,102 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107222827] [2022-03-15 15:09:29,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:29,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:29,103 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:29,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:29,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:29,103 INFO L87 Difference]: Start difference. First operand 2819 states and 5380 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:30,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:30,232 INFO L93 Difference]: Finished difference Result 5153 states and 9919 transitions. [2022-03-15 15:09:30,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 15:09:30,233 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:30,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:30,243 INFO L225 Difference]: With dead ends: 5153 [2022-03-15 15:09:30,243 INFO L226 Difference]: Without dead ends: 5153 [2022-03-15 15:09:30,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=837, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 15:09:30,244 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 729 mSDsluCounter, 1824 mSDsCounter, 0 mSdLazyCounter, 1691 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 2137 SdHoareTripleChecker+Invalid, 1984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 1691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:30,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [729 Valid, 2137 Invalid, 1984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 1691 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:09:30,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5153 states. [2022-03-15 15:09:30,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5153 to 2899. [2022-03-15 15:09:30,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2899 states, 2885 states have (on average 1.921317157712305) internal successors, (5543), 2898 states have internal predecessors, (5543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:30,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 5543 transitions. [2022-03-15 15:09:30,290 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 5543 transitions. Word has length 163 [2022-03-15 15:09:30,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:30,290 INFO L470 AbstractCegarLoop]: Abstraction has 2899 states and 5543 transitions. [2022-03-15 15:09:30,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:30,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 5543 transitions. [2022-03-15 15:09:30,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:30,292 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:30,292 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:30,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-15 15:09:30,292 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:30,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:30,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1276622584, now seen corresponding path program 3 times [2022-03-15 15:09:30,292 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:30,292 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442297039] [2022-03-15 15:09:30,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:30,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:30,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:30,472 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:30,472 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442297039] [2022-03-15 15:09:30,472 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442297039] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:30,472 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:30,472 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:30,472 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518270928] [2022-03-15 15:09:30,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:30,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:30,472 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:30,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:30,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:30,473 INFO L87 Difference]: Start difference. First operand 2899 states and 5543 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:31,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:31,710 INFO L93 Difference]: Finished difference Result 5145 states and 9907 transitions. [2022-03-15 15:09:31,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 15:09:31,710 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:31,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:31,720 INFO L225 Difference]: With dead ends: 5145 [2022-03-15 15:09:31,720 INFO L226 Difference]: Without dead ends: 5145 [2022-03-15 15:09:31,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=228, Invalid=828, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 15:09:31,721 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 641 mSDsluCounter, 1990 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 2308 SdHoareTripleChecker+Invalid, 1912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:31,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [641 Valid, 2308 Invalid, 1912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 1692 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:09:31,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5145 states. [2022-03-15 15:09:31,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5145 to 2905. [2022-03-15 15:09:31,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2905 states, 2891 states have (on average 1.9214804565894155) internal successors, (5555), 2904 states have internal predecessors, (5555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:31,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2905 states and 5555 transitions. [2022-03-15 15:09:31,768 INFO L78 Accepts]: Start accepts. Automaton has 2905 states and 5555 transitions. Word has length 163 [2022-03-15 15:09:31,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:31,768 INFO L470 AbstractCegarLoop]: Abstraction has 2905 states and 5555 transitions. [2022-03-15 15:09:31,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:31,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2905 states and 5555 transitions. [2022-03-15 15:09:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:31,769 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:31,770 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:31,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-15 15:09:31,770 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:31,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:31,770 INFO L85 PathProgramCache]: Analyzing trace with hash -450842524, now seen corresponding path program 4 times [2022-03-15 15:09:31,770 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:31,770 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018060986] [2022-03-15 15:09:31,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:31,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:31,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:31,967 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:31,968 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018060986] [2022-03-15 15:09:31,968 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018060986] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:31,968 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:31,968 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:31,968 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208803827] [2022-03-15 15:09:31,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:31,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:31,968 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:31,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:31,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:31,969 INFO L87 Difference]: Start difference. First operand 2905 states and 5555 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:33,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:33,171 INFO L93 Difference]: Finished difference Result 5240 states and 10097 transitions. [2022-03-15 15:09:33,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-15 15:09:33,171 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:33,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:33,180 INFO L225 Difference]: With dead ends: 5240 [2022-03-15 15:09:33,180 INFO L226 Difference]: Without dead ends: 5240 [2022-03-15 15:09:33,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=236, Invalid=886, Unknown=0, NotChecked=0, Total=1122 [2022-03-15 15:09:33,181 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 592 mSDsluCounter, 2216 mSDsCounter, 0 mSdLazyCounter, 1940 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 2543 SdHoareTripleChecker+Invalid, 2172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 1940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:33,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [592 Valid, 2543 Invalid, 2172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 1940 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:09:33,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5240 states. [2022-03-15 15:09:33,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5240 to 2905. [2022-03-15 15:09:33,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2905 states, 2891 states have (on average 1.9214804565894155) internal successors, (5555), 2904 states have internal predecessors, (5555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2905 states and 5555 transitions. [2022-03-15 15:09:33,225 INFO L78 Accepts]: Start accepts. Automaton has 2905 states and 5555 transitions. Word has length 163 [2022-03-15 15:09:33,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:33,225 INFO L470 AbstractCegarLoop]: Abstraction has 2905 states and 5555 transitions. [2022-03-15 15:09:33,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:33,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2905 states and 5555 transitions. [2022-03-15 15:09:33,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:33,227 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:33,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:33,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-15 15:09:33,227 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:33,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:33,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1293423976, now seen corresponding path program 5 times [2022-03-15 15:09:33,227 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:33,227 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923183435] [2022-03-15 15:09:33,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:33,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:33,405 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:33,405 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923183435] [2022-03-15 15:09:33,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923183435] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:33,406 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:33,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:33,406 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404792445] [2022-03-15 15:09:33,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:33,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:33,407 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:33,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:33,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:33,407 INFO L87 Difference]: Start difference. First operand 2905 states and 5555 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:34,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:34,550 INFO L93 Difference]: Finished difference Result 5268 states and 10147 transitions. [2022-03-15 15:09:34,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:09:34,551 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:34,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:34,558 INFO L225 Difference]: With dead ends: 5268 [2022-03-15 15:09:34,559 INFO L226 Difference]: Without dead ends: 5268 [2022-03-15 15:09:34,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=277, Invalid=983, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:09:34,560 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 762 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 1497 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 2107 SdHoareTripleChecker+Invalid, 1781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:34,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [762 Valid, 2107 Invalid, 1781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1497 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:09:34,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2022-03-15 15:09:34,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 2916. [2022-03-15 15:09:34,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 2902 states have (on average 1.9217780840799448) internal successors, (5577), 2915 states have internal predecessors, (5577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:34,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 5577 transitions. [2022-03-15 15:09:34,604 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 5577 transitions. Word has length 163 [2022-03-15 15:09:34,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:34,604 INFO L470 AbstractCegarLoop]: Abstraction has 2916 states and 5577 transitions. [2022-03-15 15:09:34,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:34,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 5577 transitions. [2022-03-15 15:09:34,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:34,606 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:34,606 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:34,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-15 15:09:34,606 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:34,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:34,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1203879622, now seen corresponding path program 6 times [2022-03-15 15:09:34,607 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:34,607 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570890528] [2022-03-15 15:09:34,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:34,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:34,781 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:34,781 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570890528] [2022-03-15 15:09:34,781 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570890528] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:34,781 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:34,782 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:34,782 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170837594] [2022-03-15 15:09:34,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:34,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:34,782 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:34,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:34,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:34,783 INFO L87 Difference]: Start difference. First operand 2916 states and 5577 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:36,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:36,034 INFO L93 Difference]: Finished difference Result 5291 states and 10197 transitions. [2022-03-15 15:09:36,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:09:36,034 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:36,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:36,041 INFO L225 Difference]: With dead ends: 5291 [2022-03-15 15:09:36,041 INFO L226 Difference]: Without dead ends: 5291 [2022-03-15 15:09:36,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=286, Invalid=1046, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:09:36,042 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 620 mSDsluCounter, 2156 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 2494 SdHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:36,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [620 Valid, 2494 Invalid, 2114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 1868 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:09:36,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5291 states. [2022-03-15 15:09:36,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5291 to 2914. [2022-03-15 15:09:36,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 2900 states have (on average 1.9217241379310346) internal successors, (5573), 2913 states have internal predecessors, (5573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 5573 transitions. [2022-03-15 15:09:36,081 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 5573 transitions. Word has length 163 [2022-03-15 15:09:36,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:36,081 INFO L470 AbstractCegarLoop]: Abstraction has 2914 states and 5573 transitions. [2022-03-15 15:09:36,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:36,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 5573 transitions. [2022-03-15 15:09:36,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:36,082 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:36,082 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:36,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-15 15:09:36,083 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:36,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:36,083 INFO L85 PathProgramCache]: Analyzing trace with hash -593363518, now seen corresponding path program 7 times [2022-03-15 15:09:36,083 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:36,083 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227863704] [2022-03-15 15:09:36,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:36,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:36,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:36,295 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:36,296 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227863704] [2022-03-15 15:09:36,296 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227863704] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:36,296 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:36,296 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:36,296 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631347450] [2022-03-15 15:09:36,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:36,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:36,296 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:36,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:36,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:36,297 INFO L87 Difference]: Start difference. First operand 2914 states and 5573 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:37,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:37,332 INFO L93 Difference]: Finished difference Result 4949 states and 9520 transitions. [2022-03-15 15:09:37,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-15 15:09:37,332 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:37,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:37,339 INFO L225 Difference]: With dead ends: 4949 [2022-03-15 15:09:37,339 INFO L226 Difference]: Without dead ends: 4949 [2022-03-15 15:09:37,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2022-03-15 15:09:37,340 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 490 mSDsluCounter, 2201 mSDsCounter, 0 mSdLazyCounter, 1754 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 2510 SdHoareTripleChecker+Invalid, 1921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:37,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [490 Valid, 2510 Invalid, 1921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1754 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:09:37,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4949 states. [2022-03-15 15:09:37,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4949 to 2917. [2022-03-15 15:09:37,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:37,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-15 15:09:37,389 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-15 15:09:37,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:37,389 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-15 15:09:37,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:37,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-15 15:09:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:37,391 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:37,391 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:37,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-15 15:09:37,391 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:37,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:37,391 INFO L85 PathProgramCache]: Analyzing trace with hash 240064314, now seen corresponding path program 8 times [2022-03-15 15:09:37,391 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:37,391 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886137117] [2022-03-15 15:09:37,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:37,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:37,621 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:37,621 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886137117] [2022-03-15 15:09:37,621 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886137117] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:37,621 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:37,621 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:37,621 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757519890] [2022-03-15 15:09:37,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:37,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:37,622 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:37,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:37,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:37,622 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:38,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:38,527 INFO L93 Difference]: Finished difference Result 5104 states and 9824 transitions. [2022-03-15 15:09:38,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-15 15:09:38,527 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:38,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:38,535 INFO L225 Difference]: With dead ends: 5104 [2022-03-15 15:09:38,535 INFO L226 Difference]: Without dead ends: 5104 [2022-03-15 15:09:38,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=636, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:09:38,536 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 598 mSDsluCounter, 1695 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 2011 SdHoareTripleChecker+Invalid, 1554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:38,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [598 Valid, 2011 Invalid, 1554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 1331 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:09:38,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5104 states. [2022-03-15 15:09:38,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5104 to 2920. [2022-03-15 15:09:38,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2906 states have (on average 1.9218857536132141) internal successors, (5585), 2919 states have internal predecessors, (5585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:38,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 5585 transitions. [2022-03-15 15:09:38,588 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 5585 transitions. Word has length 163 [2022-03-15 15:09:38,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:38,589 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 5585 transitions. [2022-03-15 15:09:38,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:38,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 5585 transitions. [2022-03-15 15:09:38,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:38,591 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:38,591 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:38,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-15 15:09:38,592 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:38,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:38,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1875340052, now seen corresponding path program 9 times [2022-03-15 15:09:38,592 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:38,592 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840313307] [2022-03-15 15:09:38,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:38,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:38,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:38,803 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:38,803 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840313307] [2022-03-15 15:09:38,803 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840313307] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:38,803 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:38,803 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:38,804 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961269823] [2022-03-15 15:09:38,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:38,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:38,804 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:38,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:38,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:38,805 INFO L87 Difference]: Start difference. First operand 2920 states and 5585 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:39,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:39,958 INFO L93 Difference]: Finished difference Result 5140 states and 9900 transitions. [2022-03-15 15:09:39,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 15:09:39,958 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:39,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:39,965 INFO L225 Difference]: With dead ends: 5140 [2022-03-15 15:09:39,965 INFO L226 Difference]: Without dead ends: 5140 [2022-03-15 15:09:39,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=232, Invalid=824, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 15:09:39,965 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 523 mSDsluCounter, 2266 mSDsCounter, 0 mSdLazyCounter, 1831 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 2594 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 1831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:39,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [523 Valid, 2594 Invalid, 2029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 1831 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:09:39,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5140 states. [2022-03-15 15:09:40,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5140 to 2917. [2022-03-15 15:09:40,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:40,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-15 15:09:40,024 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-15 15:09:40,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:40,024 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-15 15:09:40,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-15 15:09:40,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:40,026 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:40,026 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:40,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-15 15:09:40,026 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:40,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:40,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1104804940, now seen corresponding path program 10 times [2022-03-15 15:09:40,026 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:40,026 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119689605] [2022-03-15 15:09:40,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:40,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:40,232 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:40,232 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119689605] [2022-03-15 15:09:40,233 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119689605] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:40,233 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:40,233 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:40,233 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620215473] [2022-03-15 15:09:40,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:40,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:40,233 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:40,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:40,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:40,234 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:41,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:41,129 INFO L93 Difference]: Finished difference Result 5080 states and 9776 transitions. [2022-03-15 15:09:41,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-15 15:09:41,129 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:41,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:41,135 INFO L225 Difference]: With dead ends: 5080 [2022-03-15 15:09:41,135 INFO L226 Difference]: Without dead ends: 5080 [2022-03-15 15:09:41,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:09:41,135 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 615 mSDsluCounter, 1658 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 1972 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:41,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [615 Valid, 1972 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 1317 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:09:41,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5080 states. [2022-03-15 15:09:41,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5080 to 2923. [2022-03-15 15:09:41,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2923 states, 2909 states have (on average 1.9219663114472327) internal successors, (5591), 2922 states have internal predecessors, (5591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 5591 transitions. [2022-03-15 15:09:41,180 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 5591 transitions. Word has length 163 [2022-03-15 15:09:41,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:41,180 INFO L470 AbstractCegarLoop]: Abstraction has 2923 states and 5591 transitions. [2022-03-15 15:09:41,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:41,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 5591 transitions. [2022-03-15 15:09:41,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:41,181 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:41,181 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:41,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-15 15:09:41,181 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:41,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:41,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1074757990, now seen corresponding path program 11 times [2022-03-15 15:09:41,182 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:41,182 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283437214] [2022-03-15 15:09:41,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:41,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:41,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:41,356 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:41,356 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283437214] [2022-03-15 15:09:41,356 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283437214] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:41,356 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:41,356 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:41,356 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876218553] [2022-03-15 15:09:41,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:41,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:41,356 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:41,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:41,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:41,357 INFO L87 Difference]: Start difference. First operand 2923 states and 5591 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:42,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:42,458 INFO L93 Difference]: Finished difference Result 5291 states and 10196 transitions. [2022-03-15 15:09:42,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:09:42,458 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:42,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:42,463 INFO L225 Difference]: With dead ends: 5291 [2022-03-15 15:09:42,464 INFO L226 Difference]: Without dead ends: 5291 [2022-03-15 15:09:42,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=261, Invalid=929, Unknown=0, NotChecked=0, Total=1190 [2022-03-15 15:09:42,464 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 623 mSDsluCounter, 2057 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 1905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:42,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [623 Valid, 2392 Invalid, 1905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:09:42,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5291 states. [2022-03-15 15:09:42,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5291 to 2920. [2022-03-15 15:09:42,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2906 states have (on average 1.9218857536132141) internal successors, (5585), 2919 states have internal predecessors, (5585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 5585 transitions. [2022-03-15 15:09:42,502 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 5585 transitions. Word has length 163 [2022-03-15 15:09:42,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:42,502 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 5585 transitions. [2022-03-15 15:09:42,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:42,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 5585 transitions. [2022-03-15 15:09:42,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:42,503 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:42,506 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:42,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-15 15:09:42,506 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:42,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:42,507 INFO L85 PathProgramCache]: Analyzing trace with hash -264416600, now seen corresponding path program 12 times [2022-03-15 15:09:42,507 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:42,507 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080666461] [2022-03-15 15:09:42,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:42,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:42,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:42,681 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:42,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080666461] [2022-03-15 15:09:42,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080666461] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:42,681 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:42,681 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:42,681 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372196404] [2022-03-15 15:09:42,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:42,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:42,682 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:42,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:42,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:42,682 INFO L87 Difference]: Start difference. First operand 2920 states and 5585 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:43,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:43,880 INFO L93 Difference]: Finished difference Result 5248 states and 10112 transitions. [2022-03-15 15:09:43,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:09:43,881 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:43,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:43,887 INFO L225 Difference]: With dead ends: 5248 [2022-03-15 15:09:43,887 INFO L226 Difference]: Without dead ends: 5248 [2022-03-15 15:09:43,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=265, Invalid=995, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:09:43,891 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 539 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 1854 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 2610 SdHoareTripleChecker+Invalid, 2058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 1854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:43,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [539 Valid, 2610 Invalid, 2058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 1854 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:09:43,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5248 states. [2022-03-15 15:09:43,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5248 to 2922. [2022-03-15 15:09:43,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2922 states, 2908 states have (on average 1.921939477303989) internal successors, (5589), 2921 states have internal predecessors, (5589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:43,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 5589 transitions. [2022-03-15 15:09:43,943 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 5589 transitions. Word has length 163 [2022-03-15 15:09:43,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:43,944 INFO L470 AbstractCegarLoop]: Abstraction has 2922 states and 5589 transitions. [2022-03-15 15:09:43,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:43,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 5589 transitions. [2022-03-15 15:09:43,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:43,945 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:43,945 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:43,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-15 15:09:43,945 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:43,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:43,946 INFO L85 PathProgramCache]: Analyzing trace with hash -353960954, now seen corresponding path program 13 times [2022-03-15 15:09:43,946 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:43,946 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756655532] [2022-03-15 15:09:43,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:43,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:44,124 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:44,125 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756655532] [2022-03-15 15:09:44,125 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756655532] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:44,125 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:44,125 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:44,125 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120436115] [2022-03-15 15:09:44,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:44,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:44,126 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:44,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:44,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:44,127 INFO L87 Difference]: Start difference. First operand 2922 states and 5589 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:45,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:45,265 INFO L93 Difference]: Finished difference Result 5205 states and 10030 transitions. [2022-03-15 15:09:45,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:09:45,266 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:45,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:45,272 INFO L225 Difference]: With dead ends: 5205 [2022-03-15 15:09:45,272 INFO L226 Difference]: Without dead ends: 5205 [2022-03-15 15:09:45,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=272, Invalid=1060, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:09:45,273 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 705 mSDsluCounter, 2029 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 2371 SdHoareTripleChecker+Invalid, 2034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:45,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 2371 Invalid, 2034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:09:45,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5205 states. [2022-03-15 15:09:45,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5205 to 2917. [2022-03-15 15:09:45,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:45,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-15 15:09:45,328 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-15 15:09:45,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:45,328 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-15 15:09:45,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:45,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-15 15:09:45,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:45,330 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:45,330 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:45,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-15 15:09:45,330 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:45,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:45,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1487957560, now seen corresponding path program 14 times [2022-03-15 15:09:45,330 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:45,330 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784677833] [2022-03-15 15:09:45,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:45,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:45,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:45,540 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:45,540 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784677833] [2022-03-15 15:09:45,540 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784677833] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:45,540 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:45,540 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:45,540 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113882403] [2022-03-15 15:09:45,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:45,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:45,540 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:45,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:45,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:45,541 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:46,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:46,336 INFO L93 Difference]: Finished difference Result 4999 states and 9621 transitions. [2022-03-15 15:09:46,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-15 15:09:46,336 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:46,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:46,342 INFO L225 Difference]: With dead ends: 4999 [2022-03-15 15:09:46,342 INFO L226 Difference]: Without dead ends: 4999 [2022-03-15 15:09:46,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2022-03-15 15:09:46,343 INFO L933 BasicCegarLoop]: 374 mSDtfsCounter, 694 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 1701 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:46,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [694 Valid, 1701 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:09:46,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4999 states. [2022-03-15 15:09:46,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4999 to 2917. [2022-03-15 15:09:46,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:46,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-15 15:09:46,394 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-15 15:09:46,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:46,394 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-15 15:09:46,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:46,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-15 15:09:46,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:46,395 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:46,395 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:46,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-15 15:09:46,395 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:46,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:46,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1976902302, now seen corresponding path program 15 times [2022-03-15 15:09:46,396 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:46,396 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268719215] [2022-03-15 15:09:46,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:46,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:46,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:46,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:46,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268719215] [2022-03-15 15:09:46,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268719215] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:46,594 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:46,594 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:46,594 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702349410] [2022-03-15 15:09:46,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:46,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:46,594 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:46,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:46,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:46,594 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:47,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:47,669 INFO L93 Difference]: Finished difference Result 5053 states and 9728 transitions. [2022-03-15 15:09:47,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-15 15:09:47,670 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:47,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:47,676 INFO L225 Difference]: With dead ends: 5053 [2022-03-15 15:09:47,676 INFO L226 Difference]: Without dead ends: 5053 [2022-03-15 15:09:47,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=420, Unknown=0, NotChecked=0, Total=552 [2022-03-15 15:09:47,676 INFO L933 BasicCegarLoop]: 375 mSDtfsCounter, 582 mSDsluCounter, 2293 mSDsCounter, 0 mSdLazyCounter, 1955 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 2663 SdHoareTripleChecker+Invalid, 2142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:47,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [582 Valid, 2663 Invalid, 2142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1955 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:09:47,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5053 states. [2022-03-15 15:09:47,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5053 to 2918. [2022-03-15 15:09:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 2904 states have (on average 1.921831955922865) internal successors, (5581), 2917 states have internal predecessors, (5581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:47,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 5581 transitions. [2022-03-15 15:09:47,711 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 5581 transitions. Word has length 163 [2022-03-15 15:09:47,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:47,711 INFO L470 AbstractCegarLoop]: Abstraction has 2918 states and 5581 transitions. [2022-03-15 15:09:47,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:47,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 5581 transitions. [2022-03-15 15:09:47,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:47,713 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:47,713 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:47,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-15 15:09:47,713 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:47,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:47,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1484637162, now seen corresponding path program 16 times [2022-03-15 15:09:47,713 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:47,713 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231281958] [2022-03-15 15:09:47,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:47,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:47,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:47,933 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:47,933 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231281958] [2022-03-15 15:09:47,933 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231281958] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:47,933 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:47,933 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:47,934 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232398412] [2022-03-15 15:09:47,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:47,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:47,934 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:47,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:47,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:47,934 INFO L87 Difference]: Start difference. First operand 2918 states and 5581 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:49,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:49,039 INFO L93 Difference]: Finished difference Result 5155 states and 9927 transitions. [2022-03-15 15:09:49,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-15 15:09:49,039 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:49,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:49,045 INFO L225 Difference]: With dead ends: 5155 [2022-03-15 15:09:49,045 INFO L226 Difference]: Without dead ends: 5155 [2022-03-15 15:09:49,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:09:49,046 INFO L933 BasicCegarLoop]: 381 mSDtfsCounter, 708 mSDsluCounter, 1996 mSDsCounter, 0 mSdLazyCounter, 1772 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 2373 SdHoareTripleChecker+Invalid, 2009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 1772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:49,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [708 Valid, 2373 Invalid, 2009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 1772 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:09:49,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5155 states. [2022-03-15 15:09:49,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5155 to 2921. [2022-03-15 15:09:49,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2907 states have (on average 1.9219126246990024) internal successors, (5587), 2920 states have internal predecessors, (5587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:49,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 5587 transitions. [2022-03-15 15:09:49,080 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 5587 transitions. Word has length 163 [2022-03-15 15:09:49,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:49,081 INFO L470 AbstractCegarLoop]: Abstraction has 2921 states and 5587 transitions. [2022-03-15 15:09:49,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:49,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 5587 transitions. [2022-03-15 15:09:49,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:49,082 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:49,082 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:49,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-15 15:09:49,083 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:49,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:49,083 INFO L85 PathProgramCache]: Analyzing trace with hash 694925768, now seen corresponding path program 17 times [2022-03-15 15:09:49,083 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:49,083 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30446292] [2022-03-15 15:09:49,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:49,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:49,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:49,264 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:49,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30446292] [2022-03-15 15:09:49,264 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30446292] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:49,264 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:49,264 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:49,264 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692487344] [2022-03-15 15:09:49,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:49,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:49,265 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:49,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:49,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:49,265 INFO L87 Difference]: Start difference. First operand 2921 states and 5587 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:50,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:50,307 INFO L93 Difference]: Finished difference Result 5144 states and 9908 transitions. [2022-03-15 15:09:50,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-15 15:09:50,308 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:50,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:50,313 INFO L225 Difference]: With dead ends: 5144 [2022-03-15 15:09:50,313 INFO L226 Difference]: Without dead ends: 5144 [2022-03-15 15:09:50,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:09:50,314 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 754 mSDsluCounter, 1699 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 2073 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:50,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [754 Valid, 2073 Invalid, 1791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:09:50,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5144 states. [2022-03-15 15:09:50,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5144 to 2917. [2022-03-15 15:09:50,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:50,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-15 15:09:50,346 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-15 15:09:50,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:50,347 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-15 15:09:50,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:50,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-15 15:09:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:50,348 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:50,348 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:50,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-15 15:09:50,348 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:50,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:50,349 INFO L85 PathProgramCache]: Analyzing trace with hash -847183290, now seen corresponding path program 18 times [2022-03-15 15:09:50,349 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:50,349 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025306081] [2022-03-15 15:09:50,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:50,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:50,537 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:50,537 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025306081] [2022-03-15 15:09:50,537 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025306081] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:50,537 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:50,537 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:50,538 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263601313] [2022-03-15 15:09:50,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:50,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:50,538 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:50,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:50,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:50,539 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:51,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:51,550 INFO L93 Difference]: Finished difference Result 5008 states and 9638 transitions. [2022-03-15 15:09:51,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-15 15:09:51,550 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:51,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:51,556 INFO L225 Difference]: With dead ends: 5008 [2022-03-15 15:09:51,556 INFO L226 Difference]: Without dead ends: 5008 [2022-03-15 15:09:51,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:09:51,557 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 535 mSDsluCounter, 2113 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 2445 SdHoareTripleChecker+Invalid, 1962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:51,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [535 Valid, 2445 Invalid, 1962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:09:51,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5008 states. [2022-03-15 15:09:51,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5008 to 2919. [2022-03-15 15:09:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2919 states, 2905 states have (on average 1.9218588640275387) internal successors, (5583), 2918 states have internal predecessors, (5583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:51,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2919 states and 5583 transitions. [2022-03-15 15:09:51,592 INFO L78 Accepts]: Start accepts. Automaton has 2919 states and 5583 transitions. Word has length 163 [2022-03-15 15:09:51,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:51,592 INFO L470 AbstractCegarLoop]: Abstraction has 2919 states and 5583 transitions. [2022-03-15 15:09:51,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:51,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2919 states and 5583 transitions. [2022-03-15 15:09:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:51,594 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:51,594 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:51,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-15 15:09:51,594 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:51,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:51,595 INFO L85 PathProgramCache]: Analyzing trace with hash -13755458, now seen corresponding path program 19 times [2022-03-15 15:09:51,595 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:51,595 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681100718] [2022-03-15 15:09:51,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:51,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:51,789 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:51,789 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681100718] [2022-03-15 15:09:51,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681100718] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:51,790 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:51,790 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:51,790 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629713340] [2022-03-15 15:09:51,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:51,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:51,790 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:51,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:51,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:51,790 INFO L87 Difference]: Start difference. First operand 2919 states and 5583 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:52,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:52,748 INFO L93 Difference]: Finished difference Result 5163 states and 9942 transitions. [2022-03-15 15:09:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-15 15:09:52,748 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:52,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:52,753 INFO L225 Difference]: With dead ends: 5163 [2022-03-15 15:09:52,754 INFO L226 Difference]: Without dead ends: 5163 [2022-03-15 15:09:52,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=587, Unknown=0, NotChecked=0, Total=756 [2022-03-15 15:09:52,754 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 660 mSDsluCounter, 1783 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 2122 SdHoareTripleChecker+Invalid, 1714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:52,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [660 Valid, 2122 Invalid, 1714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:09:52,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5163 states. [2022-03-15 15:09:52,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5163 to 2922. [2022-03-15 15:09:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2922 states, 2908 states have (on average 1.921939477303989) internal successors, (5589), 2921 states have internal predecessors, (5589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:52,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 5589 transitions. [2022-03-15 15:09:52,788 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 5589 transitions. Word has length 163 [2022-03-15 15:09:52,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:52,788 INFO L470 AbstractCegarLoop]: Abstraction has 2922 states and 5589 transitions. [2022-03-15 15:09:52,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:52,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 5589 transitions. [2022-03-15 15:09:52,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:52,789 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:52,789 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:52,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-15 15:09:52,790 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:52,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:52,790 INFO L85 PathProgramCache]: Analyzing trace with hash -2129159824, now seen corresponding path program 20 times [2022-03-15 15:09:52,790 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:52,790 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831810799] [2022-03-15 15:09:52,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:52,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:52,965 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:52,965 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831810799] [2022-03-15 15:09:52,965 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831810799] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:52,965 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:52,965 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:52,965 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909293666] [2022-03-15 15:09:52,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:52,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:52,965 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:52,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:52,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:52,966 INFO L87 Difference]: Start difference. First operand 2922 states and 5589 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:54,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:54,360 INFO L93 Difference]: Finished difference Result 5208 states and 10035 transitions. [2022-03-15 15:09:54,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 15:09:54,360 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:54,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:54,365 INFO L225 Difference]: With dead ends: 5208 [2022-03-15 15:09:54,365 INFO L226 Difference]: Without dead ends: 5208 [2022-03-15 15:09:54,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=228, Invalid=764, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:09:54,366 INFO L933 BasicCegarLoop]: 379 mSDtfsCounter, 610 mSDsluCounter, 2699 mSDsCounter, 0 mSdLazyCounter, 2363 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 3074 SdHoareTripleChecker+Invalid, 2581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 2363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:54,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [610 Valid, 3074 Invalid, 2581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 2363 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:09:54,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5208 states. [2022-03-15 15:09:54,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5208 to 2918. [2022-03-15 15:09:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 2904 states have (on average 1.921831955922865) internal successors, (5581), 2917 states have internal predecessors, (5581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:54,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 5581 transitions. [2022-03-15 15:09:54,397 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 5581 transitions. Word has length 163 [2022-03-15 15:09:54,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:54,397 INFO L470 AbstractCegarLoop]: Abstraction has 2918 states and 5581 transitions. [2022-03-15 15:09:54,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:54,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 5581 transitions. [2022-03-15 15:09:54,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:54,398 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:54,398 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:54,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-15 15:09:54,398 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:54,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:54,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1358624712, now seen corresponding path program 21 times [2022-03-15 15:09:54,399 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:54,399 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806573738] [2022-03-15 15:09:54,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:54,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:54,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:54,591 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:54,591 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806573738] [2022-03-15 15:09:54,591 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806573738] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:54,591 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:54,591 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:54,591 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648040132] [2022-03-15 15:09:54,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:54,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:54,592 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:54,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:54,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:54,592 INFO L87 Difference]: Start difference. First operand 2918 states and 5581 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:55,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:55,542 INFO L93 Difference]: Finished difference Result 5125 states and 9867 transitions. [2022-03-15 15:09:55,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-15 15:09:55,542 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:55,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:55,548 INFO L225 Difference]: With dead ends: 5125 [2022-03-15 15:09:55,548 INFO L226 Difference]: Without dead ends: 5125 [2022-03-15 15:09:55,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2022-03-15 15:09:55,549 INFO L933 BasicCegarLoop]: 349 mSDtfsCounter, 648 mSDsluCounter, 1816 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 2161 SdHoareTripleChecker+Invalid, 1727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:55,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [648 Valid, 2161 Invalid, 1727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:09:55,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5125 states. [2022-03-15 15:09:55,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5125 to 2924. [2022-03-15 15:09:55,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2924 states, 2910 states have (on average 1.9219931271477664) internal successors, (5593), 2923 states have internal predecessors, (5593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:55,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2924 states and 5593 transitions. [2022-03-15 15:09:55,597 INFO L78 Accepts]: Start accepts. Automaton has 2924 states and 5593 transitions. Word has length 163 [2022-03-15 15:09:55,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:55,597 INFO L470 AbstractCegarLoop]: Abstraction has 2924 states and 5593 transitions. [2022-03-15 15:09:55,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:55,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 5593 transitions. [2022-03-15 15:09:55,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:55,599 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:55,599 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:55,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-15 15:09:55,600 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:55,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:55,600 INFO L85 PathProgramCache]: Analyzing trace with hash 820938218, now seen corresponding path program 22 times [2022-03-15 15:09:55,600 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:55,600 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942882421] [2022-03-15 15:09:55,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:55,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:55,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:55,770 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:55,770 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942882421] [2022-03-15 15:09:55,770 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942882421] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:55,771 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:55,771 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:55,771 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075355873] [2022-03-15 15:09:55,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:55,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:55,771 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:55,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:55,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:55,772 INFO L87 Difference]: Start difference. First operand 2924 states and 5593 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:57,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:57,109 INFO L93 Difference]: Finished difference Result 5315 states and 10244 transitions. [2022-03-15 15:09:57,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:09:57,109 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:57,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:57,129 INFO L225 Difference]: With dead ends: 5315 [2022-03-15 15:09:57,129 INFO L226 Difference]: Without dead ends: 5315 [2022-03-15 15:09:57,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2022-03-15 15:09:57,133 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 608 mSDsluCounter, 2722 mSDsCounter, 0 mSdLazyCounter, 2386 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 3102 SdHoareTripleChecker+Invalid, 2590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 2386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:57,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [608 Valid, 3102 Invalid, 2590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 2386 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:09:57,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5315 states. [2022-03-15 15:09:57,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5315 to 2921. [2022-03-15 15:09:57,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2907 states have (on average 1.9219126246990024) internal successors, (5587), 2920 states have internal predecessors, (5587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:57,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 5587 transitions. [2022-03-15 15:09:57,205 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 5587 transitions. Word has length 163 [2022-03-15 15:09:57,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:57,205 INFO L470 AbstractCegarLoop]: Abstraction has 2921 states and 5587 transitions. [2022-03-15 15:09:57,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:57,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 5587 transitions. [2022-03-15 15:09:57,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:57,206 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:57,206 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:57,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-15 15:09:57,207 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:57,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:57,207 INFO L85 PathProgramCache]: Analyzing trace with hash -518236372, now seen corresponding path program 23 times [2022-03-15 15:09:57,207 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:57,207 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782716250] [2022-03-15 15:09:57,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:57,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:57,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:57,375 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:57,375 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782716250] [2022-03-15 15:09:57,375 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782716250] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:57,375 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:57,375 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:57,375 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459709386] [2022-03-15 15:09:57,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:57,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:57,376 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:57,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:57,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:57,376 INFO L87 Difference]: Start difference. First operand 2921 states and 5587 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:58,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:58,631 INFO L93 Difference]: Finished difference Result 5272 states and 10160 transitions. [2022-03-15 15:09:58,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:09:58,631 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:09:58,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:58,638 INFO L225 Difference]: With dead ends: 5272 [2022-03-15 15:09:58,638 INFO L226 Difference]: Without dead ends: 5272 [2022-03-15 15:09:58,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=263, Invalid=927, Unknown=0, NotChecked=0, Total=1190 [2022-03-15 15:09:58,639 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 699 mSDsluCounter, 2233 mSDsCounter, 0 mSdLazyCounter, 1970 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 2613 SdHoareTripleChecker+Invalid, 2231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 1970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:58,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [699 Valid, 2613 Invalid, 2231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 1970 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:09:58,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5272 states. [2022-03-15 15:09:58,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5272 to 2923. [2022-03-15 15:09:58,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2923 states, 2909 states have (on average 1.9219663114472327) internal successors, (5591), 2922 states have internal predecessors, (5591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:58,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 5591 transitions. [2022-03-15 15:09:58,688 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 5591 transitions. Word has length 163 [2022-03-15 15:09:58,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:58,688 INFO L470 AbstractCegarLoop]: Abstraction has 2923 states and 5591 transitions. [2022-03-15 15:09:58,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:58,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 5591 transitions. [2022-03-15 15:09:58,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:09:58,689 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:58,689 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:58,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-15 15:09:58,689 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:09:58,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:58,690 INFO L85 PathProgramCache]: Analyzing trace with hash -607780726, now seen corresponding path program 24 times [2022-03-15 15:09:58,690 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:58,690 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066718690] [2022-03-15 15:09:58,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:58,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:58,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:58,858 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:58,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066718690] [2022-03-15 15:09:58,858 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066718690] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:58,858 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:58,858 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:58,858 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716299990] [2022-03-15 15:09:58,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:58,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:58,858 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:58,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:58,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:58,859 INFO L87 Difference]: Start difference. First operand 2923 states and 5591 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:00,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:00,141 INFO L93 Difference]: Finished difference Result 5229 states and 10078 transitions. [2022-03-15 15:10:00,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:10:00,142 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:00,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:00,148 INFO L225 Difference]: With dead ends: 5229 [2022-03-15 15:10:00,148 INFO L226 Difference]: Without dead ends: 5229 [2022-03-15 15:10:00,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=271, Invalid=989, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:10:00,148 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 697 mSDsluCounter, 2403 mSDsCounter, 0 mSdLazyCounter, 2157 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 2781 SdHoareTripleChecker+Invalid, 2420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 2157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:00,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [697 Valid, 2781 Invalid, 2420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 2157 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:10:00,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5229 states. [2022-03-15 15:10:00,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5229 to 2917. [2022-03-15 15:10:00,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:00,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-15 15:10:00,209 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-15 15:10:00,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:00,209 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-15 15:10:00,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:00,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-15 15:10:00,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:00,210 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:00,210 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:00,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-15 15:10:00,211 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:00,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:00,211 INFO L85 PathProgramCache]: Analyzing trace with hash 879948998, now seen corresponding path program 25 times [2022-03-15 15:10:00,211 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:00,211 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825667886] [2022-03-15 15:10:00,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:00,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:00,442 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:00,442 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825667886] [2022-03-15 15:10:00,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825667886] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:00,442 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:00,442 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:00,442 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271818988] [2022-03-15 15:10:00,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:00,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:00,443 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:00,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:00,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:00,443 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:01,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:01,404 INFO L93 Difference]: Finished difference Result 4229 states and 8112 transitions. [2022-03-15 15:10:01,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:10:01,409 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:01,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:01,414 INFO L225 Difference]: With dead ends: 4229 [2022-03-15 15:10:01,414 INFO L226 Difference]: Without dead ends: 4229 [2022-03-15 15:10:01,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=248, Invalid=744, Unknown=0, NotChecked=0, Total=992 [2022-03-15 15:10:01,415 INFO L933 BasicCegarLoop]: 366 mSDtfsCounter, 582 mSDsluCounter, 1796 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 2160 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:01,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [582 Valid, 2160 Invalid, 1628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:10:01,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4229 states. [2022-03-15 15:10:01,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4229 to 2927. [2022-03-15 15:10:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2927 states, 2913 states have (on average 1.9220734637830414) internal successors, (5599), 2926 states have internal predecessors, (5599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2927 states and 5599 transitions. [2022-03-15 15:10:01,445 INFO L78 Accepts]: Start accepts. Automaton has 2927 states and 5599 transitions. Word has length 163 [2022-03-15 15:10:01,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:01,445 INFO L470 AbstractCegarLoop]: Abstraction has 2927 states and 5599 transitions. [2022-03-15 15:10:01,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 5599 transitions. [2022-03-15 15:10:01,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:01,446 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:01,447 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:01,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-15 15:10:01,447 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:01,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:01,447 INFO L85 PathProgramCache]: Analyzing trace with hash 779908898, now seen corresponding path program 26 times [2022-03-15 15:10:01,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:01,451 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496625160] [2022-03-15 15:10:01,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:01,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:01,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:01,605 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:01,605 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496625160] [2022-03-15 15:10:01,605 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496625160] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:01,606 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:01,606 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:01,606 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393676452] [2022-03-15 15:10:01,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:01,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:01,606 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:01,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:01,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:01,606 INFO L87 Difference]: Start difference. First operand 2927 states and 5599 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:02,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:02,522 INFO L93 Difference]: Finished difference Result 5151 states and 9927 transitions. [2022-03-15 15:10:02,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 15:10:02,522 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:02,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:02,528 INFO L225 Difference]: With dead ends: 5151 [2022-03-15 15:10:02,529 INFO L226 Difference]: Without dead ends: 5151 [2022-03-15 15:10:02,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=903, Unknown=0, NotChecked=0, Total=1122 [2022-03-15 15:10:02,529 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 737 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 1598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:02,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [737 Valid, 1868 Invalid, 1598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 1309 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:10:02,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5151 states. [2022-03-15 15:10:02,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5151 to 2922. [2022-03-15 15:10:02,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2922 states, 2908 states have (on average 1.921939477303989) internal successors, (5589), 2921 states have internal predecessors, (5589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 5589 transitions. [2022-03-15 15:10:02,568 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 5589 transitions. Word has length 163 [2022-03-15 15:10:02,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:02,569 INFO L470 AbstractCegarLoop]: Abstraction has 2922 states and 5589 transitions. [2022-03-15 15:10:02,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:02,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 5589 transitions. [2022-03-15 15:10:02,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:02,570 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:02,570 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:02,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-15 15:10:02,570 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:02,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:02,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1104811938, now seen corresponding path program 27 times [2022-03-15 15:10:02,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:02,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418798414] [2022-03-15 15:10:02,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:02,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:02,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:02,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418798414] [2022-03-15 15:10:02,727 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418798414] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:02,727 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:02,727 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:02,727 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248345296] [2022-03-15 15:10:02,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:02,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:02,729 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:02,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:02,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:02,729 INFO L87 Difference]: Start difference. First operand 2922 states and 5589 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:03,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:03,560 INFO L93 Difference]: Finished difference Result 5033 states and 9695 transitions. [2022-03-15 15:10:03,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 15:10:03,560 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:03,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:03,566 INFO L225 Difference]: With dead ends: 5033 [2022-03-15 15:10:03,567 INFO L226 Difference]: Without dead ends: 5033 [2022-03-15 15:10:03,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=228, Invalid=894, Unknown=0, NotChecked=0, Total=1122 [2022-03-15 15:10:03,567 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 684 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:03,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [684 Valid, 1904 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:10:03,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5033 states. [2022-03-15 15:10:03,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5033 to 2924. [2022-03-15 15:10:03,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2924 states, 2910 states have (on average 1.9219931271477664) internal successors, (5593), 2923 states have internal predecessors, (5593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2924 states and 5593 transitions. [2022-03-15 15:10:03,602 INFO L78 Accepts]: Start accepts. Automaton has 2924 states and 5593 transitions. Word has length 163 [2022-03-15 15:10:03,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:03,602 INFO L470 AbstractCegarLoop]: Abstraction has 2924 states and 5593 transitions. [2022-03-15 15:10:03,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:03,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 5593 transitions. [2022-03-15 15:10:03,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:03,603 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:03,603 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:03,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-15 15:10:03,604 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:03,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:03,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1930591998, now seen corresponding path program 28 times [2022-03-15 15:10:03,604 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:03,604 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731933250] [2022-03-15 15:10:03,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:03,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:03,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:03,765 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:03,765 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731933250] [2022-03-15 15:10:03,765 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731933250] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:03,765 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:03,765 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:03,765 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751389525] [2022-03-15 15:10:03,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:03,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:03,766 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:03,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:03,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:03,766 INFO L87 Difference]: Start difference. First operand 2924 states and 5593 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:04,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:04,717 INFO L93 Difference]: Finished difference Result 5128 states and 9885 transitions. [2022-03-15 15:10:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-15 15:10:04,717 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:04,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:04,723 INFO L225 Difference]: With dead ends: 5128 [2022-03-15 15:10:04,723 INFO L226 Difference]: Without dead ends: 5128 [2022-03-15 15:10:04,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=235, Invalid=955, Unknown=0, NotChecked=0, Total=1190 [2022-03-15 15:10:04,724 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 553 mSDsluCounter, 1943 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 1764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:04,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [553 Valid, 2261 Invalid, 1764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1550 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:10:04,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5128 states. [2022-03-15 15:10:04,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5128 to 2920. [2022-03-15 15:10:04,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2906 states have (on average 1.9218857536132141) internal successors, (5585), 2919 states have internal predecessors, (5585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:04,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 5585 transitions. [2022-03-15 15:10:04,762 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 5585 transitions. Word has length 163 [2022-03-15 15:10:04,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:04,762 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 5585 transitions. [2022-03-15 15:10:04,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 5585 transitions. [2022-03-15 15:10:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:04,763 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:04,763 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:04,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-15 15:10:04,764 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:04,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:04,764 INFO L85 PathProgramCache]: Analyzing trace with hash -620108798, now seen corresponding path program 29 times [2022-03-15 15:10:04,764 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:04,764 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60403232] [2022-03-15 15:10:04,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:04,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:04,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:04,934 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:04,934 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60403232] [2022-03-15 15:10:04,934 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60403232] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:04,934 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:04,934 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:04,934 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185572846] [2022-03-15 15:10:04,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:04,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:04,935 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:04,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:04,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:04,935 INFO L87 Difference]: Start difference. First operand 2920 states and 5585 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:06,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:06,010 INFO L93 Difference]: Finished difference Result 5156 states and 9935 transitions. [2022-03-15 15:10:06,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:10:06,010 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:06,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:06,016 INFO L225 Difference]: With dead ends: 5156 [2022-03-15 15:10:06,016 INFO L226 Difference]: Without dead ends: 5156 [2022-03-15 15:10:06,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=278, Invalid=1054, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:10:06,017 INFO L933 BasicCegarLoop]: 322 mSDtfsCounter, 606 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 1893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:06,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [606 Valid, 2572 Invalid, 1893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1692 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:10:06,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5156 states. [2022-03-15 15:10:06,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5156 to 2925. [2022-03-15 15:10:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2911 states have (on average 1.9220199244245963) internal successors, (5595), 2924 states have internal predecessors, (5595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:06,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 5595 transitions. [2022-03-15 15:10:06,052 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 5595 transitions. Word has length 163 [2022-03-15 15:10:06,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:06,052 INFO L470 AbstractCegarLoop]: Abstraction has 2925 states and 5595 transitions. [2022-03-15 15:10:06,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:06,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 5595 transitions. [2022-03-15 15:10:06,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:06,053 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:06,053 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:06,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-15 15:10:06,054 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:06,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:06,054 INFO L85 PathProgramCache]: Analyzing trace with hash -709653152, now seen corresponding path program 30 times [2022-03-15 15:10:06,054 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:06,054 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142156259] [2022-03-15 15:10:06,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:06,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:06,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:06,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:06,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142156259] [2022-03-15 15:10:06,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142156259] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:06,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:06,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:06,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157678530] [2022-03-15 15:10:06,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:06,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:06,211 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:06,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:06,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:06,211 INFO L87 Difference]: Start difference. First operand 2925 states and 5595 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:07,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:07,155 INFO L93 Difference]: Finished difference Result 5179 states and 9985 transitions. [2022-03-15 15:10:07,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:10:07,155 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:07,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:07,161 INFO L225 Difference]: With dead ends: 5179 [2022-03-15 15:10:07,161 INFO L226 Difference]: Without dead ends: 5179 [2022-03-15 15:10:07,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=286, Invalid=1120, Unknown=0, NotChecked=0, Total=1406 [2022-03-15 15:10:07,162 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 724 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 2006 SdHoareTripleChecker+Invalid, 1590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:07,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [724 Valid, 2006 Invalid, 1590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:10:07,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5179 states. [2022-03-15 15:10:07,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5179 to 2917. [2022-03-15 15:10:07,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:07,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-15 15:10:07,209 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-15 15:10:07,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:07,209 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-15 15:10:07,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:07,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-15 15:10:07,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:07,210 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:07,211 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:07,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-15 15:10:07,211 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:07,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:07,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1788071004, now seen corresponding path program 31 times [2022-03-15 15:10:07,211 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:07,211 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139513882] [2022-03-15 15:10:07,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:07,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:07,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:07,471 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:07,471 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139513882] [2022-03-15 15:10:07,471 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139513882] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:07,471 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:07,471 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:07,472 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764385622] [2022-03-15 15:10:07,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:07,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:07,472 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:07,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:07,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:07,472 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:08,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:08,264 INFO L93 Difference]: Finished difference Result 4758 states and 9151 transitions. [2022-03-15 15:10:08,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-15 15:10:08,264 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:08,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:08,270 INFO L225 Difference]: With dead ends: 4758 [2022-03-15 15:10:08,271 INFO L226 Difference]: Without dead ends: 4758 [2022-03-15 15:10:08,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=549, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:10:08,271 INFO L933 BasicCegarLoop]: 292 mSDtfsCounter, 455 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 1963 SdHoareTripleChecker+Invalid, 1332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:08,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [455 Valid, 1963 Invalid, 1332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:10:08,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4758 states. [2022-03-15 15:10:08,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4758 to 2916. [2022-03-15 15:10:08,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 2902 states have (on average 1.9217780840799448) internal successors, (5577), 2915 states have internal predecessors, (5577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:08,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 5577 transitions. [2022-03-15 15:10:08,309 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 5577 transitions. Word has length 163 [2022-03-15 15:10:08,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:08,309 INFO L470 AbstractCegarLoop]: Abstraction has 2916 states and 5577 transitions. [2022-03-15 15:10:08,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:08,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 5577 transitions. [2022-03-15 15:10:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:08,310 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:08,310 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:08,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-15 15:10:08,310 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:08,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:08,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1673468460, now seen corresponding path program 32 times [2022-03-15 15:10:08,311 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:08,311 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917392541] [2022-03-15 15:10:08,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:08,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:08,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:08,512 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:08,513 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917392541] [2022-03-15 15:10:08,513 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917392541] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:08,513 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:08,513 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:08,513 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655855099] [2022-03-15 15:10:08,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:08,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:08,514 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:08,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:08,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:08,515 INFO L87 Difference]: Start difference. First operand 2916 states and 5577 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:09,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:09,389 INFO L93 Difference]: Finished difference Result 4913 states and 9455 transitions. [2022-03-15 15:10:09,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-15 15:10:09,389 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:09,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:09,396 INFO L225 Difference]: With dead ends: 4913 [2022-03-15 15:10:09,396 INFO L226 Difference]: Without dead ends: 4913 [2022-03-15 15:10:09,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=185, Invalid=685, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:10:09,397 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 446 mSDsluCounter, 1776 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 2073 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:09,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [446 Valid, 2073 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:10:09,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4913 states. [2022-03-15 15:10:09,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4913 to 2919. [2022-03-15 15:10:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2919 states, 2905 states have (on average 1.9218588640275387) internal successors, (5583), 2918 states have internal predecessors, (5583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:09,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2919 states and 5583 transitions. [2022-03-15 15:10:09,425 INFO L78 Accepts]: Start accepts. Automaton has 2919 states and 5583 transitions. Word has length 163 [2022-03-15 15:10:09,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:09,425 INFO L470 AbstractCegarLoop]: Abstraction has 2919 states and 5583 transitions. [2022-03-15 15:10:09,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:09,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2919 states and 5583 transitions. [2022-03-15 15:10:09,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:09,426 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:09,426 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:09,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-15 15:10:09,426 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:09,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:09,426 INFO L85 PathProgramCache]: Analyzing trace with hash 506094470, now seen corresponding path program 33 times [2022-03-15 15:10:09,427 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:09,427 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917821055] [2022-03-15 15:10:09,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:09,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:09,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:09,589 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:09,589 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917821055] [2022-03-15 15:10:09,589 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917821055] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:09,589 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:09,589 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:09,589 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055812832] [2022-03-15 15:10:09,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:09,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:09,590 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:09,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:09,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:09,590 INFO L87 Difference]: Start difference. First operand 2919 states and 5583 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:10,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:10,561 INFO L93 Difference]: Finished difference Result 4969 states and 9571 transitions. [2022-03-15 15:10:10,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 15:10:10,562 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:10,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:10,570 INFO L225 Difference]: With dead ends: 4969 [2022-03-15 15:10:10,570 INFO L226 Difference]: Without dead ends: 4969 [2022-03-15 15:10:10,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=238, Invalid=884, Unknown=0, NotChecked=0, Total=1122 [2022-03-15 15:10:10,572 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 479 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 2104 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:10,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [479 Valid, 2104 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:10:10,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4969 states. [2022-03-15 15:10:10,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4969 to 2915. [2022-03-15 15:10:10,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2915 states, 2901 states have (on average 1.9217511203033437) internal successors, (5575), 2914 states have internal predecessors, (5575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 5575 transitions. [2022-03-15 15:10:10,611 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 5575 transitions. Word has length 163 [2022-03-15 15:10:10,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:10,611 INFO L470 AbstractCegarLoop]: Abstraction has 2915 states and 5575 transitions. [2022-03-15 15:10:10,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:10,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 5575 transitions. [2022-03-15 15:10:10,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:10,612 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:10,612 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:10,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-15 15:10:10,612 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:10,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:10,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1276629582, now seen corresponding path program 34 times [2022-03-15 15:10:10,614 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:10,614 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545074092] [2022-03-15 15:10:10,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:10,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:10,810 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:10,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545074092] [2022-03-15 15:10:10,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545074092] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:10,810 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:10,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:10,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919555635] [2022-03-15 15:10:10,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:10,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:10,810 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:10,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:10,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:10,811 INFO L87 Difference]: Start difference. First operand 2915 states and 5575 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:11,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:11,615 INFO L93 Difference]: Finished difference Result 4892 states and 9413 transitions. [2022-03-15 15:10:11,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-15 15:10:11,616 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:11,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:11,622 INFO L225 Difference]: With dead ends: 4892 [2022-03-15 15:10:11,622 INFO L226 Difference]: Without dead ends: 4892 [2022-03-15 15:10:11,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=732, Unknown=0, NotChecked=0, Total=930 [2022-03-15 15:10:11,623 INFO L933 BasicCegarLoop]: 297 mSDtfsCounter, 562 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 1799 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:11,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [562 Valid, 1799 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:10:11,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4892 states. [2022-03-15 15:10:11,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4892 to 2921. [2022-03-15 15:10:11,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2907 states have (on average 1.9219126246990024) internal successors, (5587), 2920 states have internal predecessors, (5587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:11,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 5587 transitions. [2022-03-15 15:10:11,656 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 5587 transitions. Word has length 163 [2022-03-15 15:10:11,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:11,656 INFO L470 AbstractCegarLoop]: Abstraction has 2921 states and 5587 transitions. [2022-03-15 15:10:11,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:11,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 5587 transitions. [2022-03-15 15:10:11,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:11,657 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:11,657 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:11,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-15 15:10:11,657 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:11,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:11,658 INFO L85 PathProgramCache]: Analyzing trace with hash -838774784, now seen corresponding path program 35 times [2022-03-15 15:10:11,658 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:11,658 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145506811] [2022-03-15 15:10:11,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:11,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:11,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:11,831 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:11,831 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145506811] [2022-03-15 15:10:11,831 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145506811] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:11,831 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:11,831 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:11,831 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921546046] [2022-03-15 15:10:11,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:11,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:11,831 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:11,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:11,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:11,832 INFO L87 Difference]: Start difference. First operand 2921 states and 5587 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:12,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:12,933 INFO L93 Difference]: Finished difference Result 5139 states and 9905 transitions. [2022-03-15 15:10:12,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:10:12,933 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:12,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:12,941 INFO L225 Difference]: With dead ends: 5139 [2022-03-15 15:10:12,941 INFO L226 Difference]: Without dead ends: 5139 [2022-03-15 15:10:12,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=266, Invalid=994, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:10:12,942 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 485 mSDsluCounter, 2440 mSDsCounter, 0 mSdLazyCounter, 1803 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 2756 SdHoareTripleChecker+Invalid, 1972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 1803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:12,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [485 Valid, 2756 Invalid, 1972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 1803 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:10:12,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5139 states. [2022-03-15 15:10:12,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5139 to 2918. [2022-03-15 15:10:12,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 2904 states have (on average 1.921831955922865) internal successors, (5581), 2917 states have internal predecessors, (5581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:12,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 5581 transitions. [2022-03-15 15:10:12,979 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 5581 transitions. Word has length 163 [2022-03-15 15:10:12,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:12,979 INFO L470 AbstractCegarLoop]: Abstraction has 2918 states and 5581 transitions. [2022-03-15 15:10:12,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:12,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 5581 transitions. [2022-03-15 15:10:12,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:12,980 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:12,980 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:12,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-15 15:10:12,981 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:12,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:12,981 INFO L85 PathProgramCache]: Analyzing trace with hash 2117017922, now seen corresponding path program 36 times [2022-03-15 15:10:12,981 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:12,981 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850875806] [2022-03-15 15:10:12,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:12,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:13,136 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:13,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850875806] [2022-03-15 15:10:13,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850875806] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:13,136 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:13,136 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:13,136 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188870532] [2022-03-15 15:10:13,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:13,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:13,136 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:13,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:13,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:13,137 INFO L87 Difference]: Start difference. First operand 2918 states and 5581 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:14,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:14,128 INFO L93 Difference]: Finished difference Result 5096 states and 9821 transitions. [2022-03-15 15:10:14,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:10:14,129 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:14,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:14,138 INFO L225 Difference]: With dead ends: 5096 [2022-03-15 15:10:14,138 INFO L226 Difference]: Without dead ends: 5096 [2022-03-15 15:10:14,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=269, Invalid=1063, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:10:14,138 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 508 mSDsluCounter, 1943 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 2258 SdHoareTripleChecker+Invalid, 1627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:14,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 2258 Invalid, 1627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:10:14,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5096 states. [2022-03-15 15:10:14,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5096 to 2920. [2022-03-15 15:10:14,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2906 states have (on average 1.9218857536132141) internal successors, (5585), 2919 states have internal predecessors, (5585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:14,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 5585 transitions. [2022-03-15 15:10:14,197 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 5585 transitions. Word has length 163 [2022-03-15 15:10:14,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:14,197 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 5585 transitions. [2022-03-15 15:10:14,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:14,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 5585 transitions. [2022-03-15 15:10:14,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:14,198 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:14,199 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:14,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-15 15:10:14,199 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:14,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:14,199 INFO L85 PathProgramCache]: Analyzing trace with hash 2027473568, now seen corresponding path program 37 times [2022-03-15 15:10:14,199 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:14,199 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795526782] [2022-03-15 15:10:14,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:14,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:14,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:14,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:14,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795526782] [2022-03-15 15:10:14,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795526782] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:14,363 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:14,363 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:14,363 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269752090] [2022-03-15 15:10:14,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:14,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:14,364 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:14,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:14,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:14,364 INFO L87 Difference]: Start difference. First operand 2920 states and 5585 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:15,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:15,316 INFO L93 Difference]: Finished difference Result 5053 states and 9739 transitions. [2022-03-15 15:10:15,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:10:15,317 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:15,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:15,323 INFO L225 Difference]: With dead ends: 5053 [2022-03-15 15:10:15,323 INFO L226 Difference]: Without dead ends: 5053 [2022-03-15 15:10:15,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=275, Invalid=1131, Unknown=0, NotChecked=0, Total=1406 [2022-03-15 15:10:15,324 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 627 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 2168 SdHoareTripleChecker+Invalid, 1677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:15,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [627 Valid, 2168 Invalid, 1677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:10:15,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5053 states. [2022-03-15 15:10:15,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5053 to 2913. [2022-03-15 15:10:15,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2913 states, 2899 states have (on average 1.9216971369437736) internal successors, (5571), 2912 states have internal predecessors, (5571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:15,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2913 states and 5571 transitions. [2022-03-15 15:10:15,361 INFO L78 Accepts]: Start accepts. Automaton has 2913 states and 5571 transitions. Word has length 163 [2022-03-15 15:10:15,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:15,361 INFO L470 AbstractCegarLoop]: Abstraction has 2913 states and 5571 transitions. [2022-03-15 15:10:15,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:15,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 5571 transitions. [2022-03-15 15:10:15,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:15,362 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:15,363 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:15,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-15 15:10:15,363 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:15,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:15,363 INFO L85 PathProgramCache]: Analyzing trace with hash 337480590, now seen corresponding path program 38 times [2022-03-15 15:10:15,363 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:15,363 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801886196] [2022-03-15 15:10:15,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:15,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:15,574 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:15,574 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801886196] [2022-03-15 15:10:15,574 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801886196] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:15,574 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:15,574 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:15,574 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980604114] [2022-03-15 15:10:15,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:15,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:15,575 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:15,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:15,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:15,575 INFO L87 Difference]: Start difference. First operand 2913 states and 5571 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:16,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:16,497 INFO L93 Difference]: Finished difference Result 4159 states and 7975 transitions. [2022-03-15 15:10:16,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:10:16,498 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:16,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:16,503 INFO L225 Difference]: With dead ends: 4159 [2022-03-15 15:10:16,503 INFO L226 Difference]: Without dead ends: 4159 [2022-03-15 15:10:16,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=846, Unknown=0, NotChecked=0, Total=1122 [2022-03-15 15:10:16,504 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 772 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 2297 SdHoareTripleChecker+Invalid, 1658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:16,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [772 Valid, 2297 Invalid, 1658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1493 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:10:16,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4159 states. [2022-03-15 15:10:16,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4159 to 2920. [2022-03-15 15:10:16,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2906 states have (on average 1.9218857536132141) internal successors, (5585), 2919 states have internal predecessors, (5585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 5585 transitions. [2022-03-15 15:10:16,544 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 5585 transitions. Word has length 163 [2022-03-15 15:10:16,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:16,545 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 5585 transitions. [2022-03-15 15:10:16,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:16,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 5585 transitions. [2022-03-15 15:10:16,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:16,546 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:16,546 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:16,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-15 15:10:16,546 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:16,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:16,546 INFO L85 PathProgramCache]: Analyzing trace with hash 237440490, now seen corresponding path program 39 times [2022-03-15 15:10:16,546 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:16,546 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333963551] [2022-03-15 15:10:16,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:16,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:16,682 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:16,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333963551] [2022-03-15 15:10:16,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333963551] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:16,682 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:16,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:16,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400742003] [2022-03-15 15:10:16,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:16,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:16,683 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:16,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:16,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:16,683 INFO L87 Difference]: Start difference. First operand 2920 states and 5585 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:17,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:17,830 INFO L93 Difference]: Finished difference Result 5506 states and 10565 transitions. [2022-03-15 15:10:17,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:10:17,830 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:17,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:17,837 INFO L225 Difference]: With dead ends: 5506 [2022-03-15 15:10:17,837 INFO L226 Difference]: Without dead ends: 5506 [2022-03-15 15:10:17,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=259, Invalid=1001, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:10:17,838 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 701 mSDsluCounter, 2520 mSDsCounter, 0 mSdLazyCounter, 2064 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 2846 SdHoareTripleChecker+Invalid, 2299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 2064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:17,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [701 Valid, 2846 Invalid, 2299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 2064 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:10:17,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5506 states. [2022-03-15 15:10:17,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5506 to 2915. [2022-03-15 15:10:17,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2915 states, 2901 states have (on average 1.9217511203033437) internal successors, (5575), 2914 states have internal predecessors, (5575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:17,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 5575 transitions. [2022-03-15 15:10:17,875 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 5575 transitions. Word has length 163 [2022-03-15 15:10:17,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:17,875 INFO L470 AbstractCegarLoop]: Abstraction has 2915 states and 5575 transitions. [2022-03-15 15:10:17,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:17,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 5575 transitions. [2022-03-15 15:10:17,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:17,876 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:17,876 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:17,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-03-15 15:10:17,876 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:17,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:17,876 INFO L85 PathProgramCache]: Analyzing trace with hash 562343530, now seen corresponding path program 40 times [2022-03-15 15:10:17,877 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:17,877 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030726609] [2022-03-15 15:10:17,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:17,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:18,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:18,057 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:18,057 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030726609] [2022-03-15 15:10:18,057 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030726609] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:18,057 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:18,057 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:18,057 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866777148] [2022-03-15 15:10:18,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:18,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:18,058 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:18,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:18,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:18,058 INFO L87 Difference]: Start difference. First operand 2915 states and 5575 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:19,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:19,166 INFO L93 Difference]: Finished difference Result 5388 states and 10333 transitions. [2022-03-15 15:10:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:10:19,166 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:19,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:19,172 INFO L225 Difference]: With dead ends: 5388 [2022-03-15 15:10:19,173 INFO L226 Difference]: Without dead ends: 5388 [2022-03-15 15:10:19,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=269, Invalid=991, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:10:19,173 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 735 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 1821 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 2687 SdHoareTripleChecker+Invalid, 2056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 1821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:19,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [735 Valid, 2687 Invalid, 2056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 1821 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:10:19,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5388 states. [2022-03-15 15:10:19,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5388 to 2917. [2022-03-15 15:10:19,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2903 states have (on average 1.921805029280055) internal successors, (5579), 2916 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:19,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5579 transitions. [2022-03-15 15:10:19,208 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5579 transitions. Word has length 163 [2022-03-15 15:10:19,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:19,208 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5579 transitions. [2022-03-15 15:10:19,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:19,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5579 transitions. [2022-03-15 15:10:19,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:19,209 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:19,209 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:19,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-15 15:10:19,209 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:19,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:19,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1388123590, now seen corresponding path program 41 times [2022-03-15 15:10:19,210 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:19,210 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683200654] [2022-03-15 15:10:19,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:19,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:19,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:19,353 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:19,353 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683200654] [2022-03-15 15:10:19,353 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683200654] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:19,353 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:19,353 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:19,353 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802777665] [2022-03-15 15:10:19,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:19,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:19,354 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:19,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:19,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:19,355 INFO L87 Difference]: Start difference. First operand 2917 states and 5579 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:20,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:20,320 INFO L93 Difference]: Finished difference Result 5483 states and 10523 transitions. [2022-03-15 15:10:20,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:10:20,320 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:20,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:20,325 INFO L225 Difference]: With dead ends: 5483 [2022-03-15 15:10:20,325 INFO L226 Difference]: Without dead ends: 5483 [2022-03-15 15:10:20,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=278, Invalid=1054, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:10:20,326 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 951 mSDsluCounter, 1802 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 2140 SdHoareTripleChecker+Invalid, 1758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:20,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [951 Valid, 2140 Invalid, 1758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 1436 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:10:20,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2022-03-15 15:10:20,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 2913. [2022-03-15 15:10:20,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2913 states, 2899 states have (on average 1.9216971369437736) internal successors, (5571), 2912 states have internal predecessors, (5571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:20,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2913 states and 5571 transitions. [2022-03-15 15:10:20,358 INFO L78 Accepts]: Start accepts. Automaton has 2913 states and 5571 transitions. Word has length 163 [2022-03-15 15:10:20,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:20,358 INFO L470 AbstractCegarLoop]: Abstraction has 2913 states and 5571 transitions. [2022-03-15 15:10:20,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:20,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 5571 transitions. [2022-03-15 15:10:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:20,359 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:20,359 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:20,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-03-15 15:10:20,359 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:20,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:20,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1162577206, now seen corresponding path program 42 times [2022-03-15 15:10:20,360 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:20,360 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23458121] [2022-03-15 15:10:20,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:20,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:20,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:20,517 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:20,517 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23458121] [2022-03-15 15:10:20,517 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23458121] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:20,517 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:20,517 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:20,517 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701965895] [2022-03-15 15:10:20,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:20,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:20,517 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:20,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:20,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:20,518 INFO L87 Difference]: Start difference. First operand 2913 states and 5571 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:21,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:21,731 INFO L93 Difference]: Finished difference Result 5442 states and 10439 transitions. [2022-03-15 15:10:21,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-15 15:10:21,732 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:21,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:21,738 INFO L225 Difference]: With dead ends: 5442 [2022-03-15 15:10:21,738 INFO L226 Difference]: Without dead ends: 5442 [2022-03-15 15:10:21,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=310, Invalid=1096, Unknown=0, NotChecked=0, Total=1406 [2022-03-15 15:10:21,739 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 881 mSDsluCounter, 2295 mSDsCounter, 0 mSdLazyCounter, 1924 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 2662 SdHoareTripleChecker+Invalid, 2197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 1924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:21,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [881 Valid, 2662 Invalid, 2197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 1924 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:10:21,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5442 states. [2022-03-15 15:10:21,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5442 to 2909. [2022-03-15 15:10:21,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2909 states, 2895 states have (on average 1.9215889464594127) internal successors, (5563), 2908 states have internal predecessors, (5563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:21,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 5563 transitions. [2022-03-15 15:10:21,778 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 5563 transitions. Word has length 163 [2022-03-15 15:10:21,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:21,779 INFO L470 AbstractCegarLoop]: Abstraction has 2909 states and 5563 transitions. [2022-03-15 15:10:21,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:21,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 5563 transitions. [2022-03-15 15:10:21,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:21,780 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:21,780 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:21,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-03-15 15:10:21,780 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:21,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:21,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1252121560, now seen corresponding path program 43 times [2022-03-15 15:10:21,780 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:21,780 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661478424] [2022-03-15 15:10:21,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:21,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:21,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:21,942 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:21,942 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661478424] [2022-03-15 15:10:21,942 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661478424] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:21,942 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:21,942 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:21,942 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912023477] [2022-03-15 15:10:21,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:21,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:21,942 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:21,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:21,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:21,943 INFO L87 Difference]: Start difference. First operand 2909 states and 5563 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:23,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:23,124 INFO L93 Difference]: Finished difference Result 5465 states and 10489 transitions. [2022-03-15 15:10:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-15 15:10:23,124 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:23,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:23,131 INFO L225 Difference]: With dead ends: 5465 [2022-03-15 15:10:23,131 INFO L226 Difference]: Without dead ends: 5465 [2022-03-15 15:10:23,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=320, Invalid=1162, Unknown=0, NotChecked=0, Total=1482 [2022-03-15 15:10:23,132 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 1049 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 1699 mSolverCounterSat, 363 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1049 SdHoareTripleChecker+Valid, 2298 SdHoareTripleChecker+Invalid, 2062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 363 IncrementalHoareTripleChecker+Valid, 1699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:23,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1049 Valid, 2298 Invalid, 2062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [363 Valid, 1699 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:10:23,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5465 states. [2022-03-15 15:10:23,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5465 to 2901. [2022-03-15 15:10:23,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2901 states, 2887 states have (on average 1.921371666089366) internal successors, (5547), 2900 states have internal predecessors, (5547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:23,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 5547 transitions. [2022-03-15 15:10:23,168 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 5547 transitions. Word has length 163 [2022-03-15 15:10:23,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:23,168 INFO L470 AbstractCegarLoop]: Abstraction has 2901 states and 5547 transitions. [2022-03-15 15:10:23,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:23,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 5547 transitions. [2022-03-15 15:10:23,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:23,169 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:23,169 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:23,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-03-15 15:10:23,169 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:23,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:23,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1804675194, now seen corresponding path program 1 times [2022-03-15 15:10:23,170 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:23,170 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947260371] [2022-03-15 15:10:23,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:23,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:23,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:23,412 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:23,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947260371] [2022-03-15 15:10:23,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947260371] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:23,413 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:23,413 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:23,413 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989619432] [2022-03-15 15:10:23,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:23,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:23,413 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:23,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:23,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:23,414 INFO L87 Difference]: Start difference. First operand 2901 states and 5547 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:23,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:23,897 INFO L93 Difference]: Finished difference Result 2904 states and 5549 transitions. [2022-03-15 15:10:23,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-15 15:10:23,898 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:23,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:23,901 INFO L225 Difference]: With dead ends: 2904 [2022-03-15 15:10:23,901 INFO L226 Difference]: Without dead ends: 2904 [2022-03-15 15:10:23,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:10:23,901 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 580 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 2067 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:23,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [580 Valid, 2067 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 15:10:23,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2904 states. [2022-03-15 15:10:23,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2904 to 2836. [2022-03-15 15:10:23,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2836 states, 2823 states have (on average 1.9178179241941198) internal successors, (5414), 2835 states have internal predecessors, (5414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2836 states and 5414 transitions. [2022-03-15 15:10:23,929 INFO L78 Accepts]: Start accepts. Automaton has 2836 states and 5414 transitions. Word has length 163 [2022-03-15 15:10:23,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:23,929 INFO L470 AbstractCegarLoop]: Abstraction has 2836 states and 5414 transitions. [2022-03-15 15:10:23,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:23,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 5414 transitions. [2022-03-15 15:10:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:23,931 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:23,931 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:23,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-03-15 15:10:23,931 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:23,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:23,931 INFO L85 PathProgramCache]: Analyzing trace with hash 512039702, now seen corresponding path program 44 times [2022-03-15 15:10:23,932 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:23,932 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009294154] [2022-03-15 15:10:23,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:23,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:24,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:24,131 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:24,131 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009294154] [2022-03-15 15:10:24,131 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009294154] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:24,131 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:24,132 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:24,132 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418158544] [2022-03-15 15:10:24,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:24,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:24,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:24,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:24,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:24,132 INFO L87 Difference]: Start difference. First operand 2836 states and 5414 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:25,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:25,147 INFO L93 Difference]: Finished difference Result 3861 states and 7388 transitions. [2022-03-15 15:10:25,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-15 15:10:25,147 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:25,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:25,152 INFO L225 Difference]: With dead ends: 3861 [2022-03-15 15:10:25,152 INFO L226 Difference]: Without dead ends: 3861 [2022-03-15 15:10:25,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=307, Invalid=1025, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:10:25,152 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 740 mSDsluCounter, 1895 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 2264 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:25,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [740 Valid, 2264 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:10:25,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2022-03-15 15:10:25,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 2835. [2022-03-15 15:10:25,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2835 states, 2822 states have (on average 1.917788802267895) internal successors, (5412), 2834 states have internal predecessors, (5412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:25,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 5412 transitions. [2022-03-15 15:10:25,182 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 5412 transitions. Word has length 163 [2022-03-15 15:10:25,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:25,183 INFO L470 AbstractCegarLoop]: Abstraction has 2835 states and 5412 transitions. [2022-03-15 15:10:25,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:25,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 5412 transitions. [2022-03-15 15:10:25,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:25,184 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:25,184 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:25,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-15 15:10:25,184 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:25,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:25,184 INFO L85 PathProgramCache]: Analyzing trace with hash 411999602, now seen corresponding path program 45 times [2022-03-15 15:10:25,184 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:25,184 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154713948] [2022-03-15 15:10:25,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:25,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:25,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:25,338 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:25,338 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154713948] [2022-03-15 15:10:25,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154713948] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:25,338 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:25,338 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:25,338 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543709899] [2022-03-15 15:10:25,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:25,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:25,338 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:25,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:25,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:25,339 INFO L87 Difference]: Start difference. First operand 2835 states and 5412 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:26,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:26,231 INFO L93 Difference]: Finished difference Result 3789 states and 7209 transitions. [2022-03-15 15:10:26,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:10:26,231 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:26,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:26,236 INFO L225 Difference]: With dead ends: 3789 [2022-03-15 15:10:26,236 INFO L226 Difference]: Without dead ends: 3789 [2022-03-15 15:10:26,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=1068, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:10:26,236 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 1034 mSDsluCounter, 1934 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 2269 SdHoareTripleChecker+Invalid, 1662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:26,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1034 Valid, 2269 Invalid, 1662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 1369 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:10:26,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3789 states. [2022-03-15 15:10:26,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3789 to 2794. [2022-03-15 15:10:26,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2794 states, 2781 states have (on average 1.916576770945703) internal successors, (5330), 2793 states have internal predecessors, (5330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:26,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 5330 transitions. [2022-03-15 15:10:26,264 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 5330 transitions. Word has length 163 [2022-03-15 15:10:26,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:26,264 INFO L470 AbstractCegarLoop]: Abstraction has 2794 states and 5330 transitions. [2022-03-15 15:10:26,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 5330 transitions. [2022-03-15 15:10:26,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:26,265 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:26,265 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:26,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-03-15 15:10:26,266 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:26,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:26,266 INFO L85 PathProgramCache]: Analyzing trace with hash 315941806, now seen corresponding path program 46 times [2022-03-15 15:10:26,266 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:26,266 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996621736] [2022-03-15 15:10:26,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:26,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:26,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:26,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:26,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996621736] [2022-03-15 15:10:26,410 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996621736] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:26,411 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:26,411 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:26,411 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054618558] [2022-03-15 15:10:26,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:26,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:26,411 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:26,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:26,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:26,411 INFO L87 Difference]: Start difference. First operand 2794 states and 5330 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:27,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:27,424 INFO L93 Difference]: Finished difference Result 5171 states and 9905 transitions. [2022-03-15 15:10:27,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:10:27,424 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:27,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:27,430 INFO L225 Difference]: With dead ends: 5171 [2022-03-15 15:10:27,430 INFO L226 Difference]: Without dead ends: 5171 [2022-03-15 15:10:27,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=270, Invalid=1062, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:10:27,431 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 889 mSDsluCounter, 2125 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 2466 SdHoareTripleChecker+Invalid, 1893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:27,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [889 Valid, 2466 Invalid, 1893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:10:27,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5171 states. [2022-03-15 15:10:27,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5171 to 2762. [2022-03-15 15:10:27,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2749 states have (on average 1.915605674790833) internal successors, (5266), 2761 states have internal predecessors, (5266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 5266 transitions. [2022-03-15 15:10:27,466 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 5266 transitions. Word has length 163 [2022-03-15 15:10:27,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:27,467 INFO L470 AbstractCegarLoop]: Abstraction has 2762 states and 5266 transitions. [2022-03-15 15:10:27,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 5266 transitions. [2022-03-15 15:10:27,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:27,468 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:27,468 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:27,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-03-15 15:10:27,468 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:27,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:27,468 INFO L85 PathProgramCache]: Analyzing trace with hash 640844846, now seen corresponding path program 47 times [2022-03-15 15:10:27,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:27,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608777982] [2022-03-15 15:10:27,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:27,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:27,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:27,615 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:27,615 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608777982] [2022-03-15 15:10:27,615 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608777982] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:27,615 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:27,615 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:27,615 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630648510] [2022-03-15 15:10:27,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:27,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:27,616 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:27,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:27,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:27,616 INFO L87 Difference]: Start difference. First operand 2762 states and 5266 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:28,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:28,802 INFO L93 Difference]: Finished difference Result 5149 states and 9859 transitions. [2022-03-15 15:10:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:10:28,802 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:28,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:28,809 INFO L225 Difference]: With dead ends: 5149 [2022-03-15 15:10:28,809 INFO L226 Difference]: Without dead ends: 5149 [2022-03-15 15:10:28,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=283, Invalid=1049, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:10:28,809 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 863 mSDsluCounter, 2378 mSDsCounter, 0 mSdLazyCounter, 1894 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 863 SdHoareTripleChecker+Valid, 2753 SdHoareTripleChecker+Invalid, 2152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 1894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:28,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [863 Valid, 2753 Invalid, 2152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 1894 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:10:28,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5149 states. [2022-03-15 15:10:28,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5149 to 2758. [2022-03-15 15:10:28,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2758 states, 2745 states have (on average 1.9154826958105646) internal successors, (5258), 2757 states have internal predecessors, (5258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:28,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2758 states and 5258 transitions. [2022-03-15 15:10:28,852 INFO L78 Accepts]: Start accepts. Automaton has 2758 states and 5258 transitions. Word has length 163 [2022-03-15 15:10:28,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:28,852 INFO L470 AbstractCegarLoop]: Abstraction has 2758 states and 5258 transitions. [2022-03-15 15:10:28,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:28,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 5258 transitions. [2022-03-15 15:10:28,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-03-15 15:10:28,853 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:28,853 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:28,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-03-15 15:10:28,854 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:28,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:28,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1466624906, now seen corresponding path program 48 times [2022-03-15 15:10:28,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:28,854 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101713207] [2022-03-15 15:10:28,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:28,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:29,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:29,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101713207] [2022-03-15 15:10:29,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101713207] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:29,006 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:29,006 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:29,006 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000893503] [2022-03-15 15:10:29,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:29,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:29,007 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:29,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:29,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:29,007 INFO L87 Difference]: Start difference. First operand 2758 states and 5258 transitions. Second operand has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:30,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:30,224 INFO L93 Difference]: Finished difference Result 5122 states and 9813 transitions. [2022-03-15 15:10:30,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:10:30,225 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-03-15 15:10:30,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:30,230 INFO L225 Difference]: With dead ends: 5122 [2022-03-15 15:10:30,230 INFO L226 Difference]: Without dead ends: 5122 [2022-03-15 15:10:30,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=293, Invalid=1113, Unknown=0, NotChecked=0, Total=1406 [2022-03-15 15:10:30,231 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 909 mSDsluCounter, 2605 mSDsCounter, 0 mSdLazyCounter, 2174 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 2991 SdHoareTripleChecker+Invalid, 2426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 2174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:30,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [909 Valid, 2991 Invalid, 2426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 2174 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:10:30,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5122 states. [2022-03-15 15:10:30,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5122 to 2630. [2022-03-15 15:10:30,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2630 states, 2618 states have (on average 1.9136745607333843) internal successors, (5010), 2629 states have internal predecessors, (5010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2630 states and 5010 transitions. [2022-03-15 15:10:30,260 INFO L78 Accepts]: Start accepts. Automaton has 2630 states and 5010 transitions. Word has length 163 [2022-03-15 15:10:30,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:30,260 INFO L470 AbstractCegarLoop]: Abstraction has 2630 states and 5010 transitions. [2022-03-15 15:10:30,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.583333333333334) internal successors, (163), 13 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:30,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 5010 transitions. [2022-03-15 15:10:30,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-03-15 15:10:30,262 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:30,262 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:30,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-03-15 15:10:30,262 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:30,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:30,262 INFO L85 PathProgramCache]: Analyzing trace with hash 2098953351, now seen corresponding path program 1 times [2022-03-15 15:10:30,262 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:30,262 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692460575] [2022-03-15 15:10:30,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:30,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:30,482 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:30,483 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692460575] [2022-03-15 15:10:30,483 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692460575] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:30,483 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:30,483 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:10:30,483 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874909960] [2022-03-15 15:10:30,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:30,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:10:30,483 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:30,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:10:30,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:10:30,483 INFO L87 Difference]: Start difference. First operand 2630 states and 5010 transitions. Second operand has 13 states, 12 states have (on average 14.25) internal successors, (171), 13 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:31,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:31,243 INFO L93 Difference]: Finished difference Result 2913 states and 5515 transitions. [2022-03-15 15:10:31,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-15 15:10:31,243 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.25) internal successors, (171), 13 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-03-15 15:10:31,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:31,246 INFO L225 Difference]: With dead ends: 2913 [2022-03-15 15:10:31,246 INFO L226 Difference]: Without dead ends: 2913 [2022-03-15 15:10:31,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:10:31,246 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 646 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 2643 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:31,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [646 Valid, 2643 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:10:31,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2913 states. [2022-03-15 15:10:31,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2913 to 2585. [2022-03-15 15:10:31,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2585 states, 2573 states have (on average 1.9121647881849981) internal successors, (4920), 2584 states have internal predecessors, (4920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:31,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2585 states and 4920 transitions. [2022-03-15 15:10:31,268 INFO L78 Accepts]: Start accepts. Automaton has 2585 states and 4920 transitions. Word has length 171 [2022-03-15 15:10:31,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:31,268 INFO L470 AbstractCegarLoop]: Abstraction has 2585 states and 4920 transitions. [2022-03-15 15:10:31,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.25) internal successors, (171), 13 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:31,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 4920 transitions. [2022-03-15 15:10:31,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:10:31,270 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:31,270 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:31,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-03-15 15:10:31,270 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:31,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:31,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1645465888, now seen corresponding path program 1 times [2022-03-15 15:10:31,270 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:31,270 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637792862] [2022-03-15 15:10:31,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:31,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:31,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:31,873 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:31,873 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637792862] [2022-03-15 15:10:31,873 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637792862] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:31,873 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:31,873 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:10:31,873 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030215566] [2022-03-15 15:10:31,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:31,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:10:31,873 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:31,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:10:31,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:10:31,874 INFO L87 Difference]: Start difference. First operand 2585 states and 4920 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:33,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:33,669 INFO L93 Difference]: Finished difference Result 5038 states and 9780 transitions. [2022-03-15 15:10:33,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-15 15:10:33,670 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:10:33,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:33,676 INFO L225 Difference]: With dead ends: 5038 [2022-03-15 15:10:33,676 INFO L226 Difference]: Without dead ends: 5038 [2022-03-15 15:10:33,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=534, Invalid=2328, Unknown=0, NotChecked=0, Total=2862 [2022-03-15 15:10:33,676 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 1239 mSDsluCounter, 3496 mSDsCounter, 0 mSdLazyCounter, 2666 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 3718 SdHoareTripleChecker+Invalid, 2791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 2666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:33,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1239 Valid, 3718 Invalid, 2791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 2666 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:10:33,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5038 states. [2022-03-15 15:10:33,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5038 to 2677. [2022-03-15 15:10:33,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2677 states, 2665 states have (on average 1.9151969981238275) internal successors, (5104), 2676 states have internal predecessors, (5104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:33,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2677 states and 5104 transitions. [2022-03-15 15:10:33,711 INFO L78 Accepts]: Start accepts. Automaton has 2677 states and 5104 transitions. Word has length 172 [2022-03-15 15:10:33,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:33,711 INFO L470 AbstractCegarLoop]: Abstraction has 2677 states and 5104 transitions. [2022-03-15 15:10:33,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:33,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 5104 transitions. [2022-03-15 15:10:33,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:10:33,712 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:33,712 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:33,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-03-15 15:10:33,713 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:33,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:33,713 INFO L85 PathProgramCache]: Analyzing trace with hash 396582650, now seen corresponding path program 2 times [2022-03-15 15:10:33,713 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:33,713 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145594812] [2022-03-15 15:10:33,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:33,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:34,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:34,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:34,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145594812] [2022-03-15 15:10:34,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145594812] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:34,240 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:34,240 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:10:34,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067811552] [2022-03-15 15:10:34,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:34,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:10:34,240 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:34,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:10:34,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:10:34,241 INFO L87 Difference]: Start difference. First operand 2677 states and 5104 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:36,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:36,137 INFO L93 Difference]: Finished difference Result 5082 states and 9866 transitions. [2022-03-15 15:10:36,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 15:10:36,138 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:10:36,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:36,143 INFO L225 Difference]: With dead ends: 5082 [2022-03-15 15:10:36,143 INFO L226 Difference]: Without dead ends: 5082 [2022-03-15 15:10:36,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=632, Invalid=3150, Unknown=0, NotChecked=0, Total=3782 [2022-03-15 15:10:36,143 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 1534 mSDsluCounter, 3249 mSDsCounter, 0 mSdLazyCounter, 2908 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 3464 SdHoareTripleChecker+Invalid, 3064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 2908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:36,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1534 Valid, 3464 Invalid, 3064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 2908 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:10:36,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5082 states. [2022-03-15 15:10:36,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5082 to 2688. [2022-03-15 15:10:36,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2688 states, 2676 states have (on average 1.9155455904334828) internal successors, (5126), 2687 states have internal predecessors, (5126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:36,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2688 states and 5126 transitions. [2022-03-15 15:10:36,174 INFO L78 Accepts]: Start accepts. Automaton has 2688 states and 5126 transitions. Word has length 172 [2022-03-15 15:10:36,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:36,174 INFO L470 AbstractCegarLoop]: Abstraction has 2688 states and 5126 transitions. [2022-03-15 15:10:36,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:36,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 5126 transitions. [2022-03-15 15:10:36,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:10:36,175 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:36,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:36,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-03-15 15:10:36,176 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:36,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:36,176 INFO L85 PathProgramCache]: Analyzing trace with hash -452372384, now seen corresponding path program 3 times [2022-03-15 15:10:36,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:36,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196376475] [2022-03-15 15:10:36,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:36,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:36,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:36,669 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:36,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196376475] [2022-03-15 15:10:36,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196376475] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:36,670 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:36,670 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:10:36,670 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74708457] [2022-03-15 15:10:36,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:36,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:10:36,670 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:36,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:10:36,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:10:36,671 INFO L87 Difference]: Start difference. First operand 2688 states and 5126 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:38,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:38,460 INFO L93 Difference]: Finished difference Result 5123 states and 9946 transitions. [2022-03-15 15:10:38,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 15:10:38,460 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:10:38,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:38,466 INFO L225 Difference]: With dead ends: 5123 [2022-03-15 15:10:38,466 INFO L226 Difference]: Without dead ends: 5123 [2022-03-15 15:10:38,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=628, Invalid=2794, Unknown=0, NotChecked=0, Total=3422 [2022-03-15 15:10:38,467 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 1478 mSDsluCounter, 3486 mSDsCounter, 0 mSdLazyCounter, 2720 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1478 SdHoareTripleChecker+Valid, 3724 SdHoareTripleChecker+Invalid, 2893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 2720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:38,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1478 Valid, 3724 Invalid, 2893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 2720 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:10:38,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5123 states. [2022-03-15 15:10:38,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5123 to 2699. [2022-03-15 15:10:38,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2699 states, 2687 states have (on average 1.915891328619278) internal successors, (5148), 2698 states have internal predecessors, (5148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:38,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 2699 states and 5148 transitions. [2022-03-15 15:10:38,501 INFO L78 Accepts]: Start accepts. Automaton has 2699 states and 5148 transitions. Word has length 172 [2022-03-15 15:10:38,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:38,501 INFO L470 AbstractCegarLoop]: Abstraction has 2699 states and 5148 transitions. [2022-03-15 15:10:38,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:38,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2699 states and 5148 transitions. [2022-03-15 15:10:38,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:10:38,503 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:38,503 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:38,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-03-15 15:10:38,503 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:38,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:38,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1322206820, now seen corresponding path program 4 times [2022-03-15 15:10:38,503 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:38,504 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223634539] [2022-03-15 15:10:38,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:38,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:38,928 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:38,928 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223634539] [2022-03-15 15:10:38,928 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223634539] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:38,928 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:38,928 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:10:38,928 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319881879] [2022-03-15 15:10:38,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:38,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:10:38,929 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:38,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:10:38,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:10:38,929 INFO L87 Difference]: Start difference. First operand 2699 states and 5148 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:40,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:40,846 INFO L93 Difference]: Finished difference Result 5167 states and 10032 transitions. [2022-03-15 15:10:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 15:10:40,846 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:10:40,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:40,851 INFO L225 Difference]: With dead ends: 5167 [2022-03-15 15:10:40,851 INFO L226 Difference]: Without dead ends: 5167 [2022-03-15 15:10:40,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 771 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=672, Invalid=2988, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 15:10:40,852 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 1277 mSDsluCounter, 3623 mSDsCounter, 0 mSdLazyCounter, 2748 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 3869 SdHoareTripleChecker+Invalid, 2925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 2748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:40,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1277 Valid, 3869 Invalid, 2925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 2748 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:10:40,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5167 states. [2022-03-15 15:10:40,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5167 to 2710. [2022-03-15 15:10:40,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2698 states have (on average 1.916234247590808) internal successors, (5170), 2709 states have internal predecessors, (5170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:40,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 5170 transitions. [2022-03-15 15:10:40,881 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 5170 transitions. Word has length 172 [2022-03-15 15:10:40,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:40,881 INFO L470 AbstractCegarLoop]: Abstraction has 2710 states and 5170 transitions. [2022-03-15 15:10:40,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 5170 transitions. [2022-03-15 15:10:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:10:40,882 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:40,882 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:40,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-03-15 15:10:40,883 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:40,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:40,883 INFO L85 PathProgramCache]: Analyzing trace with hash 384634430, now seen corresponding path program 5 times [2022-03-15 15:10:40,883 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:40,883 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350657887] [2022-03-15 15:10:40,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:40,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:41,238 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:41,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350657887] [2022-03-15 15:10:41,238 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350657887] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:41,238 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:41,238 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:10:41,238 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847513461] [2022-03-15 15:10:41,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:41,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:10:41,239 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:41,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:10:41,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:10:41,239 INFO L87 Difference]: Start difference. First operand 2710 states and 5170 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:43,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:43,283 INFO L93 Difference]: Finished difference Result 5733 states and 11082 transitions. [2022-03-15 15:10:43,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 15:10:43,283 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:10:43,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:43,290 INFO L225 Difference]: With dead ends: 5733 [2022-03-15 15:10:43,290 INFO L226 Difference]: Without dead ends: 5733 [2022-03-15 15:10:43,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=637, Invalid=3395, Unknown=0, NotChecked=0, Total=4032 [2022-03-15 15:10:43,291 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 1652 mSDsluCounter, 4410 mSDsCounter, 0 mSdLazyCounter, 3594 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 4691 SdHoareTripleChecker+Invalid, 3724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 3594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:43,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1652 Valid, 4691 Invalid, 3724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 3594 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:10:43,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5733 states. [2022-03-15 15:10:43,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5733 to 2741. [2022-03-15 15:10:43,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2741 states, 2729 states have (on average 1.9171857823378526) internal successors, (5232), 2740 states have internal predecessors, (5232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:43,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2741 states and 5232 transitions. [2022-03-15 15:10:43,325 INFO L78 Accepts]: Start accepts. Automaton has 2741 states and 5232 transitions. Word has length 172 [2022-03-15 15:10:43,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:43,325 INFO L470 AbstractCegarLoop]: Abstraction has 2741 states and 5232 transitions. [2022-03-15 15:10:43,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:43,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 5232 transitions. [2022-03-15 15:10:43,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:10:43,327 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:43,327 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:43,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-03-15 15:10:43,327 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:43,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:43,327 INFO L85 PathProgramCache]: Analyzing trace with hash 757478147, now seen corresponding path program 1 times [2022-03-15 15:10:43,327 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:43,327 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849816006] [2022-03-15 15:10:43,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:43,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:43,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:43,671 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:43,671 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849816006] [2022-03-15 15:10:43,671 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849816006] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:43,671 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:43,671 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:10:43,671 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841587430] [2022-03-15 15:10:43,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:43,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:10:43,672 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:43,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:10:43,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:10:43,673 INFO L87 Difference]: Start difference. First operand 2741 states and 5232 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:46,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:46,048 INFO L93 Difference]: Finished difference Result 6305 states and 12147 transitions. [2022-03-15 15:10:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 15:10:46,049 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:10:46,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:46,057 INFO L225 Difference]: With dead ends: 6305 [2022-03-15 15:10:46,057 INFO L226 Difference]: Without dead ends: 6305 [2022-03-15 15:10:46,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=616, Invalid=3044, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 15:10:46,059 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 2066 mSDsluCounter, 4547 mSDsCounter, 0 mSdLazyCounter, 4504 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2066 SdHoareTripleChecker+Valid, 4865 SdHoareTripleChecker+Invalid, 4803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 4504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:46,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2066 Valid, 4865 Invalid, 4803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 4504 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:10:46,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6305 states. [2022-03-15 15:10:46,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6305 to 2847. [2022-03-15 15:10:46,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2847 states, 2835 states have (on average 1.9202821869488536) internal successors, (5444), 2846 states have internal predecessors, (5444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:46,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 5444 transitions. [2022-03-15 15:10:46,093 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 5444 transitions. Word has length 172 [2022-03-15 15:10:46,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:46,093 INFO L470 AbstractCegarLoop]: Abstraction has 2847 states and 5444 transitions. [2022-03-15 15:10:46,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:46,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 5444 transitions. [2022-03-15 15:10:46,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:10:46,095 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:46,095 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:46,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-03-15 15:10:46,095 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:46,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:46,095 INFO L85 PathProgramCache]: Analyzing trace with hash -402788708, now seen corresponding path program 6 times [2022-03-15 15:10:46,095 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:46,095 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291550090] [2022-03-15 15:10:46,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:46,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:46,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:46,508 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:46,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291550090] [2022-03-15 15:10:46,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291550090] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:46,508 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:46,508 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:10:46,508 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115197580] [2022-03-15 15:10:46,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:46,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:10:46,512 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:46,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:10:46,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:10:46,513 INFO L87 Difference]: Start difference. First operand 2847 states and 5444 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:49,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:49,040 INFO L93 Difference]: Finished difference Result 6677 states and 12891 transitions. [2022-03-15 15:10:49,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 15:10:49,040 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:10:49,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:49,047 INFO L225 Difference]: With dead ends: 6677 [2022-03-15 15:10:49,047 INFO L226 Difference]: Without dead ends: 6677 [2022-03-15 15:10:49,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1689 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=919, Invalid=5723, Unknown=0, NotChecked=0, Total=6642 [2022-03-15 15:10:49,049 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 1865 mSDsluCounter, 5638 mSDsCounter, 0 mSdLazyCounter, 4262 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1865 SdHoareTripleChecker+Valid, 5964 SdHoareTripleChecker+Invalid, 4387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 4262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:49,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1865 Valid, 5964 Invalid, 4387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 4262 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:10:49,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6677 states. [2022-03-15 15:10:49,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6677 to 2933. [2022-03-15 15:10:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2933 states, 2921 states have (on average 1.922629236562821) internal successors, (5616), 2932 states have internal predecessors, (5616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:49,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2933 states and 5616 transitions. [2022-03-15 15:10:49,100 INFO L78 Accepts]: Start accepts. Automaton has 2933 states and 5616 transitions. Word has length 172 [2022-03-15 15:10:49,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:49,101 INFO L470 AbstractCegarLoop]: Abstraction has 2933 states and 5616 transitions. [2022-03-15 15:10:49,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:49,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2933 states and 5616 transitions. [2022-03-15 15:10:49,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:10:49,102 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:49,102 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:49,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-03-15 15:10:49,102 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:49,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:49,103 INFO L85 PathProgramCache]: Analyzing trace with hash -29944991, now seen corresponding path program 2 times [2022-03-15 15:10:49,103 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:49,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842574142] [2022-03-15 15:10:49,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:49,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:49,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:49,484 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:49,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842574142] [2022-03-15 15:10:49,484 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842574142] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:49,485 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:49,485 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:10:49,485 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073292372] [2022-03-15 15:10:49,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:49,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:10:49,485 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:49,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:10:49,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:10:49,485 INFO L87 Difference]: Start difference. First operand 2933 states and 5616 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:52,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:52,473 INFO L93 Difference]: Finished difference Result 7964 states and 15324 transitions. [2022-03-15 15:10:52,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 15:10:52,473 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:10:52,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:52,483 INFO L225 Difference]: With dead ends: 7964 [2022-03-15 15:10:52,483 INFO L226 Difference]: Without dead ends: 7964 [2022-03-15 15:10:52,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1280 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=841, Invalid=4709, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 15:10:52,484 INFO L933 BasicCegarLoop]: 370 mSDtfsCounter, 2167 mSDsluCounter, 5376 mSDsCounter, 0 mSdLazyCounter, 5233 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2167 SdHoareTripleChecker+Valid, 5737 SdHoareTripleChecker+Invalid, 5497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 5233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:52,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2167 Valid, 5737 Invalid, 5497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 5233 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:10:52,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7964 states. [2022-03-15 15:10:52,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7964 to 2885. [2022-03-15 15:10:52,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2885 states, 2873 states have (on average 1.921336581970066) internal successors, (5520), 2884 states have internal predecessors, (5520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:52,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2885 states and 5520 transitions. [2022-03-15 15:10:52,529 INFO L78 Accepts]: Start accepts. Automaton has 2885 states and 5520 transitions. Word has length 172 [2022-03-15 15:10:52,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:52,529 INFO L470 AbstractCegarLoop]: Abstraction has 2885 states and 5520 transitions. [2022-03-15 15:10:52,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:52,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2885 states and 5520 transitions. [2022-03-15 15:10:52,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:10:52,531 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:52,531 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:52,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-03-15 15:10:52,531 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:52,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:52,531 INFO L85 PathProgramCache]: Analyzing trace with hash -455650813, now seen corresponding path program 3 times [2022-03-15 15:10:52,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:52,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17504875] [2022-03-15 15:10:52,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:52,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:52,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:52,934 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:52,934 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17504875] [2022-03-15 15:10:52,934 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17504875] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:52,935 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:52,935 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:10:52,935 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578455729] [2022-03-15 15:10:52,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:52,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:10:52,935 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:52,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:10:52,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:10:52,935 INFO L87 Difference]: Start difference. First operand 2885 states and 5520 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:56,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:56,182 INFO L93 Difference]: Finished difference Result 7320 states and 14100 transitions. [2022-03-15 15:10:56,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 15:10:56,183 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:10:56,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:56,193 INFO L225 Difference]: With dead ends: 7320 [2022-03-15 15:10:56,193 INFO L226 Difference]: Without dead ends: 7320 [2022-03-15 15:10:56,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1138 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=822, Invalid=4434, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 15:10:56,194 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 2029 mSDsluCounter, 5514 mSDsCounter, 0 mSdLazyCounter, 5530 mSolverCounterSat, 353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2029 SdHoareTripleChecker+Valid, 5897 SdHoareTripleChecker+Invalid, 5883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 5530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:56,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2029 Valid, 5897 Invalid, 5883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [353 Valid, 5530 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-15 15:10:56,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7320 states. [2022-03-15 15:10:56,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7320 to 2887. [2022-03-15 15:10:56,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2887 states, 2875 states have (on average 1.9213913043478261) internal successors, (5524), 2886 states have internal predecessors, (5524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:56,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 5524 transitions. [2022-03-15 15:10:56,246 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 5524 transitions. Word has length 172 [2022-03-15 15:10:56,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:56,246 INFO L470 AbstractCegarLoop]: Abstraction has 2887 states and 5524 transitions. [2022-03-15 15:10:56,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:56,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 5524 transitions. [2022-03-15 15:10:56,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:10:56,248 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:56,248 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:56,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-03-15 15:10:56,248 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:10:56,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:56,249 INFO L85 PathProgramCache]: Analyzing trace with hash 480411879, now seen corresponding path program 4 times [2022-03-15 15:10:56,249 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:56,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691204617] [2022-03-15 15:10:56,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:56,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:56,719 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:56,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691204617] [2022-03-15 15:10:56,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691204617] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:56,719 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:56,719 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:10:56,719 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384232694] [2022-03-15 15:10:56,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:56,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:10:56,720 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:56,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:10:56,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:10:56,720 INFO L87 Difference]: Start difference. First operand 2887 states and 5524 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:59,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:59,976 INFO L93 Difference]: Finished difference Result 7284 states and 14028 transitions. [2022-03-15 15:10:59,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 15:10:59,976 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:10:59,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:59,983 INFO L225 Difference]: With dead ends: 7284 [2022-03-15 15:10:59,983 INFO L226 Difference]: Without dead ends: 7284 [2022-03-15 15:10:59,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1234 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=858, Invalid=4692, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 15:10:59,984 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 2296 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 5086 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2296 SdHoareTripleChecker+Valid, 5415 SdHoareTripleChecker+Invalid, 5509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 5086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:59,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2296 Valid, 5415 Invalid, 5509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 5086 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-15 15:10:59,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7284 states. [2022-03-15 15:11:00,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7284 to 2863. [2022-03-15 15:11:00,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2863 states, 2851 states have (on average 1.9207295685724308) internal successors, (5476), 2862 states have internal predecessors, (5476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2863 states and 5476 transitions. [2022-03-15 15:11:00,017 INFO L78 Accepts]: Start accepts. Automaton has 2863 states and 5476 transitions. Word has length 172 [2022-03-15 15:11:00,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:00,017 INFO L470 AbstractCegarLoop]: Abstraction has 2863 states and 5476 transitions. [2022-03-15 15:11:00,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:00,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2863 states and 5476 transitions. [2022-03-15 15:11:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:00,018 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:00,018 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:00,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-03-15 15:11:00,019 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:00,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:00,019 INFO L85 PathProgramCache]: Analyzing trace with hash -768281798, now seen corresponding path program 7 times [2022-03-15 15:11:00,019 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:00,019 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512687301] [2022-03-15 15:11:00,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:00,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:00,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:00,429 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:00,429 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512687301] [2022-03-15 15:11:00,429 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512687301] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:00,429 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:00,429 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:11:00,429 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164915052] [2022-03-15 15:11:00,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:00,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:11:00,430 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:00,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:11:00,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:11:00,430 INFO L87 Difference]: Start difference. First operand 2863 states and 5476 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:02,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:02,797 INFO L93 Difference]: Finished difference Result 6762 states and 13056 transitions. [2022-03-15 15:11:02,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-15 15:11:02,798 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:02,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:02,805 INFO L225 Difference]: With dead ends: 6762 [2022-03-15 15:11:02,805 INFO L226 Difference]: Without dead ends: 6762 [2022-03-15 15:11:02,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1936 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1046, Invalid=6264, Unknown=0, NotChecked=0, Total=7310 [2022-03-15 15:11:02,806 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 2074 mSDsluCounter, 4414 mSDsCounter, 0 mSdLazyCounter, 3386 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2074 SdHoareTripleChecker+Valid, 4753 SdHoareTripleChecker+Invalid, 3532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 3386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:02,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2074 Valid, 4753 Invalid, 3532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 3386 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:11:02,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6762 states. [2022-03-15 15:11:02,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6762 to 2970. [2022-03-15 15:11:02,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2970 states, 2958 states have (on average 1.9235970250169032) internal successors, (5690), 2969 states have internal predecessors, (5690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 5690 transitions. [2022-03-15 15:11:02,843 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 5690 transitions. Word has length 172 [2022-03-15 15:11:02,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:02,843 INFO L470 AbstractCegarLoop]: Abstraction has 2970 states and 5690 transitions. [2022-03-15 15:11:02,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:02,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 5690 transitions. [2022-03-15 15:11:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:02,845 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:02,845 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:02,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-03-15 15:11:02,845 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:02,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:02,845 INFO L85 PathProgramCache]: Analyzing trace with hash -395438081, now seen corresponding path program 5 times [2022-03-15 15:11:02,845 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:02,845 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535838465] [2022-03-15 15:11:02,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:02,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:03,213 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:03,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535838465] [2022-03-15 15:11:03,213 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535838465] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:03,213 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:03,213 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:11:03,213 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142746760] [2022-03-15 15:11:03,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:03,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:11:03,214 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:03,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:11:03,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:11:03,214 INFO L87 Difference]: Start difference. First operand 2970 states and 5690 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:06,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:06,152 INFO L93 Difference]: Finished difference Result 8049 states and 15489 transitions. [2022-03-15 15:11:06,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-15 15:11:06,153 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:06,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:06,162 INFO L225 Difference]: With dead ends: 8049 [2022-03-15 15:11:06,162 INFO L226 Difference]: Without dead ends: 8049 [2022-03-15 15:11:06,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1530 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=981, Invalid=5339, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 15:11:06,165 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 2406 mSDsluCounter, 5153 mSDsCounter, 0 mSdLazyCounter, 4805 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 5529 SdHoareTripleChecker+Invalid, 5145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 4805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:06,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2406 Valid, 5529 Invalid, 5145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 4805 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:11:06,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8049 states. [2022-03-15 15:11:06,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8049 to 2922. [2022-03-15 15:11:06,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2922 states, 2910 states have (on average 1.9223367697594502) internal successors, (5594), 2921 states have internal predecessors, (5594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:06,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 5594 transitions. [2022-03-15 15:11:06,207 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 5594 transitions. Word has length 172 [2022-03-15 15:11:06,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:06,207 INFO L470 AbstractCegarLoop]: Abstraction has 2922 states and 5594 transitions. [2022-03-15 15:11:06,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:06,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 5594 transitions. [2022-03-15 15:11:06,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:06,209 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:06,209 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:06,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-03-15 15:11:06,209 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:06,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:06,209 INFO L85 PathProgramCache]: Analyzing trace with hash -821143903, now seen corresponding path program 6 times [2022-03-15 15:11:06,210 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:06,210 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991104564] [2022-03-15 15:11:06,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:06,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:06,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:06,578 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:06,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991104564] [2022-03-15 15:11:06,578 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991104564] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:06,578 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:06,578 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:11:06,578 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219888564] [2022-03-15 15:11:06,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:06,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:11:06,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:06,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:11:06,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:11:06,579 INFO L87 Difference]: Start difference. First operand 2922 states and 5594 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:09,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:09,826 INFO L93 Difference]: Finished difference Result 8863 states and 17042 transitions. [2022-03-15 15:11:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:11:09,827 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:09,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:09,837 INFO L225 Difference]: With dead ends: 8863 [2022-03-15 15:11:09,837 INFO L226 Difference]: Without dead ends: 8863 [2022-03-15 15:11:09,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1455 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1042, Invalid=4964, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 15:11:09,837 INFO L933 BasicCegarLoop]: 456 mSDtfsCounter, 2268 mSDsluCounter, 5520 mSDsCounter, 0 mSdLazyCounter, 5104 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2268 SdHoareTripleChecker+Valid, 5969 SdHoareTripleChecker+Invalid, 5408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 5104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:09,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2268 Valid, 5969 Invalid, 5408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 5104 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-15 15:11:09,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8863 states. [2022-03-15 15:11:09,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8863 to 2924. [2022-03-15 15:11:09,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2924 states, 2912 states have (on average 1.92239010989011) internal successors, (5598), 2923 states have internal predecessors, (5598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:09,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2924 states and 5598 transitions. [2022-03-15 15:11:09,887 INFO L78 Accepts]: Start accepts. Automaton has 2924 states and 5598 transitions. Word has length 172 [2022-03-15 15:11:09,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:09,887 INFO L470 AbstractCegarLoop]: Abstraction has 2924 states and 5598 transitions. [2022-03-15 15:11:09,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:09,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 5598 transitions. [2022-03-15 15:11:09,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:09,888 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:09,888 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:09,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-03-15 15:11:09,889 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:09,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:09,889 INFO L85 PathProgramCache]: Analyzing trace with hash 114918789, now seen corresponding path program 7 times [2022-03-15 15:11:09,889 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:09,889 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913600239] [2022-03-15 15:11:09,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:09,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:10,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:10,224 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:10,224 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913600239] [2022-03-15 15:11:10,224 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913600239] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:10,224 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:10,224 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:11:10,224 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322141307] [2022-03-15 15:11:10,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:10,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:11:10,224 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:10,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:11:10,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:11:10,225 INFO L87 Difference]: Start difference. First operand 2924 states and 5598 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:13,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:13,499 INFO L93 Difference]: Finished difference Result 9002 states and 17320 transitions. [2022-03-15 15:11:13,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 15:11:13,499 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:13,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:13,512 INFO L225 Difference]: With dead ends: 9002 [2022-03-15 15:11:13,512 INFO L226 Difference]: Without dead ends: 9002 [2022-03-15 15:11:13,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1567 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1087, Invalid=5233, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 15:11:13,513 INFO L933 BasicCegarLoop]: 471 mSDtfsCounter, 2558 mSDsluCounter, 5852 mSDsCounter, 0 mSdLazyCounter, 5371 mSolverCounterSat, 403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 6317 SdHoareTripleChecker+Invalid, 5774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 403 IncrementalHoareTripleChecker+Valid, 5371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:13,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2558 Valid, 6317 Invalid, 5774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [403 Valid, 5371 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-15 15:11:13,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9002 states. [2022-03-15 15:11:13,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9002 to 2914. [2022-03-15 15:11:13,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 2902 states have (on average 1.9221226740179187) internal successors, (5578), 2913 states have internal predecessors, (5578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:13,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 5578 transitions. [2022-03-15 15:11:13,578 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 5578 transitions. Word has length 172 [2022-03-15 15:11:13,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:13,578 INFO L470 AbstractCegarLoop]: Abstraction has 2914 states and 5578 transitions. [2022-03-15 15:11:13,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:13,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 5578 transitions. [2022-03-15 15:11:13,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:13,580 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:13,580 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:13,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-03-15 15:11:13,580 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:13,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:13,581 INFO L85 PathProgramCache]: Analyzing trace with hash -2117396093, now seen corresponding path program 8 times [2022-03-15 15:11:13,581 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:13,581 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918623687] [2022-03-15 15:11:13,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:13,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:13,990 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:13,990 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918623687] [2022-03-15 15:11:13,990 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918623687] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:13,990 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:13,991 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:11:13,991 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608986090] [2022-03-15 15:11:13,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:13,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:11:13,991 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:13,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:11:13,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:11:13,991 INFO L87 Difference]: Start difference. First operand 2914 states and 5578 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:17,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:17,167 INFO L93 Difference]: Finished difference Result 7403 states and 14261 transitions. [2022-03-15 15:11:17,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:11:17,168 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:17,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:17,177 INFO L225 Difference]: With dead ends: 7403 [2022-03-15 15:11:17,177 INFO L226 Difference]: Without dead ends: 7403 [2022-03-15 15:11:17,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1364 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=978, Invalid=5028, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 15:11:17,177 INFO L933 BasicCegarLoop]: 413 mSDtfsCounter, 2049 mSDsluCounter, 5625 mSDsCounter, 0 mSdLazyCounter, 5540 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2049 SdHoareTripleChecker+Valid, 6030 SdHoareTripleChecker+Invalid, 5925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 5540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:17,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2049 Valid, 6030 Invalid, 5925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 5540 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-15 15:11:17,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7403 states. [2022-03-15 15:11:17,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7403 to 2917. [2022-03-15 15:11:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2905 states have (on average 1.9222030981067126) internal successors, (5584), 2916 states have internal predecessors, (5584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5584 transitions. [2022-03-15 15:11:17,221 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5584 transitions. Word has length 172 [2022-03-15 15:11:17,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:17,221 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5584 transitions. [2022-03-15 15:11:17,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:17,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5584 transitions. [2022-03-15 15:11:17,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:17,222 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:17,223 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:17,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-03-15 15:11:17,223 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:17,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:17,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1303405533, now seen corresponding path program 9 times [2022-03-15 15:11:17,223 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:17,223 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774677659] [2022-03-15 15:11:17,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:17,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:17,559 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:17,559 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774677659] [2022-03-15 15:11:17,559 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774677659] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:17,559 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:17,559 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:11:17,559 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081225531] [2022-03-15 15:11:17,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:17,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:11:17,559 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:17,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:11:17,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:11:17,560 INFO L87 Difference]: Start difference. First operand 2917 states and 5584 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:20,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:20,585 INFO L93 Difference]: Finished difference Result 7554 states and 14559 transitions. [2022-03-15 15:11:20,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:11:20,586 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:20,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:20,594 INFO L225 Difference]: With dead ends: 7554 [2022-03-15 15:11:20,594 INFO L226 Difference]: Without dead ends: 7554 [2022-03-15 15:11:20,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1397 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1062, Invalid=4944, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 15:11:20,595 INFO L933 BasicCegarLoop]: 429 mSDtfsCounter, 1956 mSDsluCounter, 5313 mSDsCounter, 0 mSdLazyCounter, 4915 mSolverCounterSat, 362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1956 SdHoareTripleChecker+Valid, 5736 SdHoareTripleChecker+Invalid, 5277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 362 IncrementalHoareTripleChecker+Valid, 4915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:20,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1956 Valid, 5736 Invalid, 5277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [362 Valid, 4915 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:11:20,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7554 states. [2022-03-15 15:11:20,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7554 to 2913. [2022-03-15 15:11:20,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2913 states, 2901 states have (on average 1.9220958290244743) internal successors, (5576), 2912 states have internal predecessors, (5576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:20,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2913 states and 5576 transitions. [2022-03-15 15:11:20,651 INFO L78 Accepts]: Start accepts. Automaton has 2913 states and 5576 transitions. Word has length 172 [2022-03-15 15:11:20,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:20,651 INFO L470 AbstractCegarLoop]: Abstraction has 2913 states and 5576 transitions. [2022-03-15 15:11:20,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:20,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 5576 transitions. [2022-03-15 15:11:20,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:20,653 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:20,653 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:20,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-03-15 15:11:20,653 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:20,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:20,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1269855877, now seen corresponding path program 10 times [2022-03-15 15:11:20,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:20,654 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391132897] [2022-03-15 15:11:20,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:20,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:20,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:20,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:20,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391132897] [2022-03-15 15:11:20,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391132897] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:20,984 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:20,984 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:11:20,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010824136] [2022-03-15 15:11:20,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:20,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:11:20,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:20,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:11:20,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:11:20,985 INFO L87 Difference]: Start difference. First operand 2913 states and 5576 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:24,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:24,146 INFO L93 Difference]: Finished difference Result 7361 states and 14177 transitions. [2022-03-15 15:11:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 15:11:24,146 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:24,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:24,154 INFO L225 Difference]: With dead ends: 7361 [2022-03-15 15:11:24,154 INFO L226 Difference]: Without dead ends: 7361 [2022-03-15 15:11:24,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1298 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1002, Invalid=4698, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 15:11:24,155 INFO L933 BasicCegarLoop]: 442 mSDtfsCounter, 2141 mSDsluCounter, 5256 mSDsCounter, 0 mSdLazyCounter, 5172 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 5691 SdHoareTripleChecker+Invalid, 5563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 5172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:24,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2141 Valid, 5691 Invalid, 5563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 5172 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-15 15:11:24,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7361 states. [2022-03-15 15:11:24,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7361 to 2887. [2022-03-15 15:11:24,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2887 states, 2875 states have (on average 1.9213913043478261) internal successors, (5524), 2886 states have internal predecessors, (5524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:24,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 5524 transitions. [2022-03-15 15:11:24,192 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 5524 transitions. Word has length 172 [2022-03-15 15:11:24,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:24,193 INFO L470 AbstractCegarLoop]: Abstraction has 2887 states and 5524 transitions. [2022-03-15 15:11:24,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:24,193 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 5524 transitions. [2022-03-15 15:11:24,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:24,194 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:24,194 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:24,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-03-15 15:11:24,194 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:24,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:24,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1533247723, now seen corresponding path program 11 times [2022-03-15 15:11:24,195 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:24,195 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658746368] [2022-03-15 15:11:24,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:24,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:24,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:24,573 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:24,573 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658746368] [2022-03-15 15:11:24,573 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658746368] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:24,573 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:24,573 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:11:24,573 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969369986] [2022-03-15 15:11:24,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:24,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:11:24,574 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:24,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:11:24,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:11:24,574 INFO L87 Difference]: Start difference. First operand 2887 states and 5524 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:26,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:26,176 INFO L93 Difference]: Finished difference Result 5330 states and 10270 transitions. [2022-03-15 15:11:26,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 15:11:26,176 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:26,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:26,182 INFO L225 Difference]: With dead ends: 5330 [2022-03-15 15:11:26,182 INFO L226 Difference]: Without dead ends: 5330 [2022-03-15 15:11:26,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=584, Invalid=2956, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 15:11:26,182 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 1293 mSDsluCounter, 3165 mSDsCounter, 0 mSdLazyCounter, 2079 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 3447 SdHoareTripleChecker+Invalid, 2301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 2079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:26,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1293 Valid, 3447 Invalid, 2301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 2079 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:11:26,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5330 states. [2022-03-15 15:11:26,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5330 to 2895. [2022-03-15 15:11:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2895 states, 2883 states have (on average 1.9216094346167187) internal successors, (5540), 2894 states have internal predecessors, (5540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:26,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 5540 transitions. [2022-03-15 15:11:26,213 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 5540 transitions. Word has length 172 [2022-03-15 15:11:26,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:26,213 INFO L470 AbstractCegarLoop]: Abstraction has 2895 states and 5540 transitions. [2022-03-15 15:11:26,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:26,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 5540 transitions. [2022-03-15 15:11:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:26,215 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:26,215 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:26,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-03-15 15:11:26,215 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:26,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:26,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1246627601, now seen corresponding path program 12 times [2022-03-15 15:11:26,215 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:26,215 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313262098] [2022-03-15 15:11:26,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:26,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:26,589 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:26,589 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313262098] [2022-03-15 15:11:26,589 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313262098] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:26,589 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:26,589 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:11:26,590 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662822568] [2022-03-15 15:11:26,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:26,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:11:26,590 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:26,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:11:26,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:11:26,590 INFO L87 Difference]: Start difference. First operand 2895 states and 5540 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:28,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:28,451 INFO L93 Difference]: Finished difference Result 5439 states and 10482 transitions. [2022-03-15 15:11:28,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:11:28,452 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:28,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:28,457 INFO L225 Difference]: With dead ends: 5439 [2022-03-15 15:11:28,458 INFO L226 Difference]: Without dead ends: 5439 [2022-03-15 15:11:28,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=679, Invalid=3481, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:11:28,458 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1354 mSDsluCounter, 3299 mSDsCounter, 0 mSdLazyCounter, 2462 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1354 SdHoareTripleChecker+Valid, 3587 SdHoareTripleChecker+Invalid, 2673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 2462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:28,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1354 Valid, 3587 Invalid, 2673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 2462 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:11:28,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5439 states. [2022-03-15 15:11:28,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5439 to 2898. [2022-03-15 15:11:28,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2898 states, 2886 states have (on average 1.9216909216909217) internal successors, (5546), 2897 states have internal predecessors, (5546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:28,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2898 states and 5546 transitions. [2022-03-15 15:11:28,495 INFO L78 Accepts]: Start accepts. Automaton has 2898 states and 5546 transitions. Word has length 172 [2022-03-15 15:11:28,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:28,495 INFO L470 AbstractCegarLoop]: Abstraction has 2898 states and 5546 transitions. [2022-03-15 15:11:28,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:28,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 5546 transitions. [2022-03-15 15:11:28,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:28,497 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:28,497 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:28,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-03-15 15:11:28,497 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:28,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:28,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1057256383, now seen corresponding path program 13 times [2022-03-15 15:11:28,497 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:28,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442333613] [2022-03-15 15:11:28,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:28,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:28,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:28,908 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:28,908 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442333613] [2022-03-15 15:11:28,909 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442333613] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:28,909 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:28,909 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:11:28,909 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792922438] [2022-03-15 15:11:28,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:28,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:11:28,909 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:28,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:11:28,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:11:28,909 INFO L87 Difference]: Start difference. First operand 2898 states and 5546 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:30,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:30,865 INFO L93 Difference]: Finished difference Result 5523 states and 10646 transitions. [2022-03-15 15:11:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 15:11:30,866 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:30,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:30,872 INFO L225 Difference]: With dead ends: 5523 [2022-03-15 15:11:30,872 INFO L226 Difference]: Without dead ends: 5523 [2022-03-15 15:11:30,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1003 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=782, Invalid=3910, Unknown=0, NotChecked=0, Total=4692 [2022-03-15 15:11:30,872 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1556 mSDsluCounter, 3426 mSDsCounter, 0 mSdLazyCounter, 2609 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 3731 SdHoareTripleChecker+Invalid, 2858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 2609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:30,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1556 Valid, 3731 Invalid, 2858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 2609 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:11:30,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5523 states. [2022-03-15 15:11:30,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5523 to 2912. [2022-03-15 15:11:30,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2912 states, 2900 states have (on average 1.9224137931034482) internal successors, (5575), 2911 states have internal predecessors, (5575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:30,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 5575 transitions. [2022-03-15 15:11:30,906 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 5575 transitions. Word has length 172 [2022-03-15 15:11:30,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:30,906 INFO L470 AbstractCegarLoop]: Abstraction has 2912 states and 5575 transitions. [2022-03-15 15:11:30,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:30,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 5575 transitions. [2022-03-15 15:11:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:30,908 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:30,908 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:30,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-03-15 15:11:30,908 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:30,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:30,908 INFO L85 PathProgramCache]: Analyzing trace with hash -28131617, now seen corresponding path program 14 times [2022-03-15 15:11:30,909 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:30,909 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759685736] [2022-03-15 15:11:30,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:30,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:31,323 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:31,323 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759685736] [2022-03-15 15:11:31,323 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759685736] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:31,323 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:31,323 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:11:31,323 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503561541] [2022-03-15 15:11:31,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:31,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:11:31,324 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:31,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:11:31,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:11:31,324 INFO L87 Difference]: Start difference. First operand 2912 states and 5575 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:33,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:33,502 INFO L93 Difference]: Finished difference Result 5418 states and 10441 transitions. [2022-03-15 15:11:33,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 15:11:33,502 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:33,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:33,508 INFO L225 Difference]: With dead ends: 5418 [2022-03-15 15:11:33,508 INFO L226 Difference]: Without dead ends: 5418 [2022-03-15 15:11:33,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1123 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=767, Invalid=4345, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:11:33,509 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 1396 mSDsluCounter, 3840 mSDsCounter, 0 mSdLazyCounter, 3112 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1396 SdHoareTripleChecker+Valid, 4111 SdHoareTripleChecker+Invalid, 3337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 3112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:33,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1396 Valid, 4111 Invalid, 3337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 3112 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:11:33,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5418 states. [2022-03-15 15:11:33,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5418 to 2918. [2022-03-15 15:11:33,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 2906 states have (on average 1.9225739848589125) internal successors, (5587), 2917 states have internal predecessors, (5587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:33,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 5587 transitions. [2022-03-15 15:11:33,540 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 5587 transitions. Word has length 172 [2022-03-15 15:11:33,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:33,540 INFO L470 AbstractCegarLoop]: Abstraction has 2918 states and 5587 transitions. [2022-03-15 15:11:33,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:33,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 5587 transitions. [2022-03-15 15:11:33,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:33,542 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:33,542 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:33,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-03-15 15:11:33,542 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:33,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:33,542 INFO L85 PathProgramCache]: Analyzing trace with hash -217502835, now seen corresponding path program 15 times [2022-03-15 15:11:33,542 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:33,542 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536866721] [2022-03-15 15:11:33,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:33,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:33,909 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:33,909 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536866721] [2022-03-15 15:11:33,909 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536866721] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:33,909 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:33,909 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:11:33,909 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309048345] [2022-03-15 15:11:33,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:33,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:11:33,909 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:33,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:11:33,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:11:33,910 INFO L87 Difference]: Start difference. First operand 2918 states and 5587 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:36,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:36,035 INFO L93 Difference]: Finished difference Result 5648 states and 10890 transitions. [2022-03-15 15:11:36,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 15:11:36,035 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:36,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:36,041 INFO L225 Difference]: With dead ends: 5648 [2022-03-15 15:11:36,042 INFO L226 Difference]: Without dead ends: 5648 [2022-03-15 15:11:36,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1219 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=902, Invalid=4500, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 15:11:36,042 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 1536 mSDsluCounter, 3553 mSDsCounter, 0 mSdLazyCounter, 2753 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1536 SdHoareTripleChecker+Valid, 3865 SdHoareTripleChecker+Invalid, 3022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 2753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:36,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1536 Valid, 3865 Invalid, 3022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 2753 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:11:36,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5648 states. [2022-03-15 15:11:36,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5648 to 2915. [2022-03-15 15:11:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2915 states, 2903 states have (on average 1.9224939717533587) internal successors, (5581), 2914 states have internal predecessors, (5581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:36,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 5581 transitions. [2022-03-15 15:11:36,076 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 5581 transitions. Word has length 172 [2022-03-15 15:11:36,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:36,076 INFO L470 AbstractCegarLoop]: Abstraction has 2915 states and 5581 transitions. [2022-03-15 15:11:36,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:36,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 5581 transitions. [2022-03-15 15:11:36,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:36,078 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:36,078 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:36,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-03-15 15:11:36,078 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:36,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:36,078 INFO L85 PathProgramCache]: Analyzing trace with hash 588971541, now seen corresponding path program 16 times [2022-03-15 15:11:36,078 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:36,078 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231508701] [2022-03-15 15:11:36,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:36,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:36,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:36,434 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:36,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231508701] [2022-03-15 15:11:36,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231508701] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:36,434 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:36,434 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:11:36,434 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45175013] [2022-03-15 15:11:36,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:36,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:11:36,434 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:36,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:11:36,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:11:36,435 INFO L87 Difference]: Start difference. First operand 2915 states and 5581 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:38,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:38,371 INFO L93 Difference]: Finished difference Result 5636 states and 10872 transitions. [2022-03-15 15:11:38,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 15:11:38,371 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:38,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:38,377 INFO L225 Difference]: With dead ends: 5636 [2022-03-15 15:11:38,378 INFO L226 Difference]: Without dead ends: 5636 [2022-03-15 15:11:38,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1288 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=981, Invalid=4719, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 15:11:38,378 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 1777 mSDsluCounter, 2733 mSDsCounter, 0 mSdLazyCounter, 2050 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 3063 SdHoareTripleChecker+Invalid, 2367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 2050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:38,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1777 Valid, 3063 Invalid, 2367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 2050 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:11:38,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5636 states. [2022-03-15 15:11:38,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5636 to 2929. [2022-03-15 15:11:38,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2929 states, 2917 states have (on average 1.9232087761398697) internal successors, (5610), 2928 states have internal predecessors, (5610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2929 states and 5610 transitions. [2022-03-15 15:11:38,411 INFO L78 Accepts]: Start accepts. Automaton has 2929 states and 5610 transitions. Word has length 172 [2022-03-15 15:11:38,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:38,411 INFO L470 AbstractCegarLoop]: Abstraction has 2929 states and 5610 transitions. [2022-03-15 15:11:38,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:38,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 5610 transitions. [2022-03-15 15:11:38,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:38,412 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:38,412 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:38,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-03-15 15:11:38,412 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:38,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:38,413 INFO L85 PathProgramCache]: Analyzing trace with hash 815754981, now seen corresponding path program 17 times [2022-03-15 15:11:38,413 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:38,413 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334414817] [2022-03-15 15:11:38,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:38,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:38,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:38,885 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:38,885 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334414817] [2022-03-15 15:11:38,885 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334414817] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:38,885 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:38,886 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:11:38,886 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473046630] [2022-03-15 15:11:38,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:38,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:11:38,886 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:38,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:11:38,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:11:38,887 INFO L87 Difference]: Start difference. First operand 2929 states and 5610 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:41,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:41,064 INFO L93 Difference]: Finished difference Result 5444 states and 10494 transitions. [2022-03-15 15:11:41,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 15:11:41,064 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:41,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:41,070 INFO L225 Difference]: With dead ends: 5444 [2022-03-15 15:11:41,070 INFO L226 Difference]: Without dead ends: 5444 [2022-03-15 15:11:41,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=825, Invalid=4577, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 15:11:41,071 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 1342 mSDsluCounter, 3962 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 4238 SdHoareTripleChecker+Invalid, 3329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:41,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1342 Valid, 4238 Invalid, 3329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:11:41,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5444 states. [2022-03-15 15:11:41,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5444 to 2938. [2022-03-15 15:11:41,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2938 states, 2926 states have (on average 1.923444976076555) internal successors, (5628), 2937 states have internal predecessors, (5628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:41,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2938 states and 5628 transitions. [2022-03-15 15:11:41,112 INFO L78 Accepts]: Start accepts. Automaton has 2938 states and 5628 transitions. Word has length 172 [2022-03-15 15:11:41,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:41,112 INFO L470 AbstractCegarLoop]: Abstraction has 2938 states and 5628 transitions. [2022-03-15 15:11:41,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:41,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 5628 transitions. [2022-03-15 15:11:41,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:41,113 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:41,114 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:41,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-03-15 15:11:41,114 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:41,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:41,114 INFO L85 PathProgramCache]: Analyzing trace with hash 626383763, now seen corresponding path program 18 times [2022-03-15 15:11:41,114 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:41,114 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453191639] [2022-03-15 15:11:41,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:41,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:41,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:41,469 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:41,469 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453191639] [2022-03-15 15:11:41,469 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453191639] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:41,469 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:41,469 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:11:41,470 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025508175] [2022-03-15 15:11:41,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:41,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:11:41,470 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:41,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:11:41,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:11:41,470 INFO L87 Difference]: Start difference. First operand 2938 states and 5628 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:43,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:43,788 INFO L93 Difference]: Finished difference Result 5618 states and 10832 transitions. [2022-03-15 15:11:43,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 15:11:43,788 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:43,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:43,794 INFO L225 Difference]: With dead ends: 5618 [2022-03-15 15:11:43,794 INFO L226 Difference]: Without dead ends: 5618 [2022-03-15 15:11:43,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1164 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=890, Invalid=4366, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 15:11:43,794 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 1681 mSDsluCounter, 4350 mSDsCounter, 0 mSdLazyCounter, 3288 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 4653 SdHoareTripleChecker+Invalid, 3567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 3288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:43,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1681 Valid, 4653 Invalid, 3567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 3288 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:11:43,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5618 states. [2022-03-15 15:11:43,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5618 to 2935. [2022-03-15 15:11:43,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2935 states, 2923 states have (on average 1.9233664043790626) internal successors, (5622), 2934 states have internal predecessors, (5622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:43,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2935 states and 5622 transitions. [2022-03-15 15:11:43,826 INFO L78 Accepts]: Start accepts. Automaton has 2935 states and 5622 transitions. Word has length 172 [2022-03-15 15:11:43,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:43,826 INFO L470 AbstractCegarLoop]: Abstraction has 2935 states and 5622 transitions. [2022-03-15 15:11:43,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:43,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 5622 transitions. [2022-03-15 15:11:43,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:43,827 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:43,827 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:43,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-03-15 15:11:43,827 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:43,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:43,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1432858139, now seen corresponding path program 19 times [2022-03-15 15:11:43,828 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:43,828 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984972374] [2022-03-15 15:11:43,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:43,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:44,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:44,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984972374] [2022-03-15 15:11:44,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984972374] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:44,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:44,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:11:44,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534860593] [2022-03-15 15:11:44,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:44,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:11:44,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:44,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:11:44,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:11:44,211 INFO L87 Difference]: Start difference. First operand 2935 states and 5622 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:46,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:46,825 INFO L93 Difference]: Finished difference Result 5767 states and 11128 transitions. [2022-03-15 15:11:46,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-15 15:11:46,826 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:46,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:46,832 INFO L225 Difference]: With dead ends: 5767 [2022-03-15 15:11:46,832 INFO L226 Difference]: Without dead ends: 5767 [2022-03-15 15:11:46,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1839 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1184, Invalid=6298, Unknown=0, NotChecked=0, Total=7482 [2022-03-15 15:11:46,833 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 1892 mSDsluCounter, 4261 mSDsCounter, 0 mSdLazyCounter, 3544 mSolverCounterSat, 373 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1892 SdHoareTripleChecker+Valid, 4582 SdHoareTripleChecker+Invalid, 3917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 373 IncrementalHoareTripleChecker+Valid, 3544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:46,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1892 Valid, 4582 Invalid, 3917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [373 Valid, 3544 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:11:46,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5767 states. [2022-03-15 15:11:46,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5767 to 2932. [2022-03-15 15:11:46,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2920 states have (on average 1.9232876712328768) internal successors, (5616), 2931 states have internal predecessors, (5616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:46,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 5616 transitions. [2022-03-15 15:11:46,865 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 5616 transitions. Word has length 172 [2022-03-15 15:11:46,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:46,866 INFO L470 AbstractCegarLoop]: Abstraction has 2932 states and 5616 transitions. [2022-03-15 15:11:46,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:46,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 5616 transitions. [2022-03-15 15:11:46,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:46,867 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:46,867 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:46,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-03-15 15:11:46,867 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:46,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:46,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1190569945, now seen corresponding path program 20 times [2022-03-15 15:11:46,867 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:46,868 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620407584] [2022-03-15 15:11:46,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:46,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:47,250 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:47,250 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620407584] [2022-03-15 15:11:47,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620407584] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:47,250 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:47,251 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:11:47,251 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766957550] [2022-03-15 15:11:47,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:47,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:11:47,251 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:47,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:11:47,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:11:47,251 INFO L87 Difference]: Start difference. First operand 2932 states and 5616 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:50,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:50,138 INFO L93 Difference]: Finished difference Result 5740 states and 11076 transitions. [2022-03-15 15:11:50,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-15 15:11:50,138 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:50,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:50,146 INFO L225 Difference]: With dead ends: 5740 [2022-03-15 15:11:50,146 INFO L226 Difference]: Without dead ends: 5740 [2022-03-15 15:11:50,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1886 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1185, Invalid=6471, Unknown=0, NotChecked=0, Total=7656 [2022-03-15 15:11:50,147 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 1813 mSDsluCounter, 5075 mSDsCounter, 0 mSdLazyCounter, 4277 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1813 SdHoareTripleChecker+Valid, 5394 SdHoareTripleChecker+Invalid, 4646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 4277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:50,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1813 Valid, 5394 Invalid, 4646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 4277 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:11:50,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5740 states. [2022-03-15 15:11:50,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5740 to 2934. [2022-03-15 15:11:50,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2934 states, 2922 states have (on average 1.9233401779603012) internal successors, (5620), 2933 states have internal predecessors, (5620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:50,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2934 states and 5620 transitions. [2022-03-15 15:11:50,212 INFO L78 Accepts]: Start accepts. Automaton has 2934 states and 5620 transitions. Word has length 172 [2022-03-15 15:11:50,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:50,212 INFO L470 AbstractCegarLoop]: Abstraction has 2934 states and 5620 transitions. [2022-03-15 15:11:50,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:50,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 5620 transitions. [2022-03-15 15:11:50,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:50,214 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:50,214 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:50,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-03-15 15:11:50,214 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:50,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:50,214 INFO L85 PathProgramCache]: Analyzing trace with hash -531135941, now seen corresponding path program 21 times [2022-03-15 15:11:50,214 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:50,214 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234820790] [2022-03-15 15:11:50,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:50,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:50,594 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:50,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234820790] [2022-03-15 15:11:50,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234820790] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:50,594 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:50,594 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:11:50,594 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97211093] [2022-03-15 15:11:50,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:50,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:11:50,594 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:50,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:11:50,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:11:50,595 INFO L87 Difference]: Start difference. First operand 2934 states and 5620 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:53,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:53,481 INFO L93 Difference]: Finished difference Result 5727 states and 11054 transitions. [2022-03-15 15:11:53,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-15 15:11:53,482 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:53,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:53,488 INFO L225 Difference]: With dead ends: 5727 [2022-03-15 15:11:53,488 INFO L226 Difference]: Without dead ends: 5727 [2022-03-15 15:11:53,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1766 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1133, Invalid=6177, Unknown=0, NotChecked=0, Total=7310 [2022-03-15 15:11:53,489 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 1449 mSDsluCounter, 5052 mSDsCounter, 0 mSdLazyCounter, 4450 mSolverCounterSat, 323 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 5384 SdHoareTripleChecker+Invalid, 4773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 323 IncrementalHoareTripleChecker+Valid, 4450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:53,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1449 Valid, 5384 Invalid, 4773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [323 Valid, 4450 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:11:53,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5727 states. [2022-03-15 15:11:53,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5727 to 2946. [2022-03-15 15:11:53,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2934 states have (on average 1.9239945466939332) internal successors, (5645), 2945 states have internal predecessors, (5645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:53,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 5645 transitions. [2022-03-15 15:11:53,523 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 5645 transitions. Word has length 172 [2022-03-15 15:11:53,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:53,523 INFO L470 AbstractCegarLoop]: Abstraction has 2946 states and 5645 transitions. [2022-03-15 15:11:53,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:53,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 5645 transitions. [2022-03-15 15:11:53,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:53,524 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:53,525 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:53,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-03-15 15:11:53,525 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:53,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:53,525 INFO L85 PathProgramCache]: Analyzing trace with hash 654016231, now seen corresponding path program 22 times [2022-03-15 15:11:53,525 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:53,525 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097649077] [2022-03-15 15:11:53,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:53,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:53,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:53,999 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:53,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097649077] [2022-03-15 15:11:53,999 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097649077] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:53,999 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:53,999 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:11:53,999 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48038353] [2022-03-15 15:11:53,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:53,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:11:54,000 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:54,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:11:54,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:11:54,000 INFO L87 Difference]: Start difference. First operand 2946 states and 5645 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:56,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:56,784 INFO L93 Difference]: Finished difference Result 7289 states and 14038 transitions. [2022-03-15 15:11:56,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 15:11:56,784 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:11:56,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:56,793 INFO L225 Difference]: With dead ends: 7289 [2022-03-15 15:11:56,793 INFO L226 Difference]: Without dead ends: 7289 [2022-03-15 15:11:56,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1542 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1014, Invalid=5466, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 15:11:56,793 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 2140 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 4059 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 4494 SdHoareTripleChecker+Invalid, 4322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 4059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:56,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2140 Valid, 4494 Invalid, 4322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 4059 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:11:56,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7289 states. [2022-03-15 15:11:56,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7289 to 2967. [2022-03-15 15:11:56,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2967 states, 2955 states have (on average 1.9245346869712352) internal successors, (5687), 2966 states have internal predecessors, (5687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 5687 transitions. [2022-03-15 15:11:56,831 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 5687 transitions. Word has length 172 [2022-03-15 15:11:56,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:56,831 INFO L470 AbstractCegarLoop]: Abstraction has 2967 states and 5687 transitions. [2022-03-15 15:11:56,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:56,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 5687 transitions. [2022-03-15 15:11:56,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:11:56,832 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:56,832 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:56,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-03-15 15:11:56,832 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:11:56,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:56,833 INFO L85 PathProgramCache]: Analyzing trace with hash 464645013, now seen corresponding path program 23 times [2022-03-15 15:11:56,833 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:56,833 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215216279] [2022-03-15 15:11:56,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:56,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:57,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:57,218 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:57,218 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215216279] [2022-03-15 15:11:57,218 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215216279] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:57,218 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:57,219 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:11:57,219 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511505670] [2022-03-15 15:11:57,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:57,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:11:57,219 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:57,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:11:57,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:11:57,220 INFO L87 Difference]: Start difference. First operand 2967 states and 5687 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:00,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:00,112 INFO L93 Difference]: Finished difference Result 7463 states and 14376 transitions. [2022-03-15 15:12:00,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 15:12:00,113 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:00,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:00,120 INFO L225 Difference]: With dead ends: 7463 [2022-03-15 15:12:00,120 INFO L226 Difference]: Without dead ends: 7463 [2022-03-15 15:12:00,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1506 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1090, Invalid=5230, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 15:12:00,121 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 2300 mSDsluCounter, 4391 mSDsCounter, 0 mSdLazyCounter, 4117 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2300 SdHoareTripleChecker+Valid, 4735 SdHoareTripleChecker+Invalid, 4468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 4117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:00,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2300 Valid, 4735 Invalid, 4468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [351 Valid, 4117 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:12:00,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7463 states. [2022-03-15 15:12:00,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7463 to 2964. [2022-03-15 15:12:00,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2964 states, 2952 states have (on average 1.9244579945799458) internal successors, (5681), 2963 states have internal predecessors, (5681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:00,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 5681 transitions. [2022-03-15 15:12:00,157 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 5681 transitions. Word has length 172 [2022-03-15 15:12:00,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:00,158 INFO L470 AbstractCegarLoop]: Abstraction has 2964 states and 5681 transitions. [2022-03-15 15:12:00,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:00,158 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 5681 transitions. [2022-03-15 15:12:00,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:00,159 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:00,159 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:00,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-03-15 15:12:00,159 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:00,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:00,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1271119389, now seen corresponding path program 24 times [2022-03-15 15:12:00,159 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:00,160 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418547546] [2022-03-15 15:12:00,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:00,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:00,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:00,560 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:00,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418547546] [2022-03-15 15:12:00,560 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418547546] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:00,560 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:00,560 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:12:00,560 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178333024] [2022-03-15 15:12:00,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:00,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:12:00,560 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:00,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:12:00,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:12:00,561 INFO L87 Difference]: Start difference. First operand 2964 states and 5681 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:03,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:03,714 INFO L93 Difference]: Finished difference Result 7557 states and 14564 transitions. [2022-03-15 15:12:03,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-03-15 15:12:03,714 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:03,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:03,724 INFO L225 Difference]: With dead ends: 7557 [2022-03-15 15:12:03,724 INFO L226 Difference]: Without dead ends: 7557 [2022-03-15 15:12:03,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1903 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1222, Invalid=6434, Unknown=0, NotChecked=0, Total=7656 [2022-03-15 15:12:03,725 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 2349 mSDsluCounter, 4635 mSDsCounter, 0 mSdLazyCounter, 4705 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2349 SdHoareTripleChecker+Valid, 4962 SdHoareTripleChecker+Invalid, 5055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 4705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:03,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2349 Valid, 4962 Invalid, 5055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 4705 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:12:03,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7557 states. [2022-03-15 15:12:03,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7557 to 2961. [2022-03-15 15:12:03,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2961 states, 2949 states have (on average 1.9243811461512377) internal successors, (5675), 2960 states have internal predecessors, (5675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:03,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2961 states and 5675 transitions. [2022-03-15 15:12:03,770 INFO L78 Accepts]: Start accepts. Automaton has 2961 states and 5675 transitions. Word has length 172 [2022-03-15 15:12:03,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:03,771 INFO L470 AbstractCegarLoop]: Abstraction has 2961 states and 5675 transitions. [2022-03-15 15:12:03,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:03,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 5675 transitions. [2022-03-15 15:12:03,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:03,772 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:03,772 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:03,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-03-15 15:12:03,772 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:03,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:03,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1028831195, now seen corresponding path program 25 times [2022-03-15 15:12:03,772 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:03,772 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919163690] [2022-03-15 15:12:03,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:03,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:04,124 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:04,124 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919163690] [2022-03-15 15:12:04,124 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919163690] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:04,124 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:04,124 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:12:04,124 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801485601] [2022-03-15 15:12:04,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:04,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:12:04,124 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:04,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:12:04,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:12:04,125 INFO L87 Difference]: Start difference. First operand 2961 states and 5675 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:07,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:07,030 INFO L93 Difference]: Finished difference Result 7658 states and 14762 transitions. [2022-03-15 15:12:07,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-15 15:12:07,030 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:07,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:07,038 INFO L225 Difference]: With dead ends: 7658 [2022-03-15 15:12:07,038 INFO L226 Difference]: Without dead ends: 7658 [2022-03-15 15:12:07,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1965 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1301, Invalid=6355, Unknown=0, NotChecked=0, Total=7656 [2022-03-15 15:12:07,038 INFO L933 BasicCegarLoop]: 347 mSDtfsCounter, 2767 mSDsluCounter, 4072 mSDsCounter, 0 mSdLazyCounter, 3861 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2767 SdHoareTripleChecker+Valid, 4414 SdHoareTripleChecker+Invalid, 4281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 3861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:07,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2767 Valid, 4414 Invalid, 4281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 3861 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:12:07,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7658 states. [2022-03-15 15:12:07,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7658 to 2963. [2022-03-15 15:12:07,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2963 states, 2951 states have (on average 1.9244323957980345) internal successors, (5679), 2962 states have internal predecessors, (5679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:07,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2963 states and 5679 transitions. [2022-03-15 15:12:07,073 INFO L78 Accepts]: Start accepts. Automaton has 2963 states and 5679 transitions. Word has length 172 [2022-03-15 15:12:07,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:07,073 INFO L470 AbstractCegarLoop]: Abstraction has 2963 states and 5679 transitions. [2022-03-15 15:12:07,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:07,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2963 states and 5679 transitions. [2022-03-15 15:12:07,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:07,074 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:07,075 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:07,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-03-15 15:12:07,075 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:07,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:07,075 INFO L85 PathProgramCache]: Analyzing trace with hash -692874691, now seen corresponding path program 26 times [2022-03-15 15:12:07,075 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:07,075 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37242759] [2022-03-15 15:12:07,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:07,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:07,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:07,456 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:07,456 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37242759] [2022-03-15 15:12:07,456 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37242759] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:07,456 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:07,456 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:12:07,456 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928791314] [2022-03-15 15:12:07,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:07,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:12:07,456 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:07,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:12:07,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:12:07,457 INFO L87 Difference]: Start difference. First operand 2963 states and 5679 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:10,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:10,893 INFO L93 Difference]: Finished difference Result 7645 states and 14740 transitions. [2022-03-15 15:12:10,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-15 15:12:10,898 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:10,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:10,907 INFO L225 Difference]: With dead ends: 7645 [2022-03-15 15:12:10,907 INFO L226 Difference]: Without dead ends: 7645 [2022-03-15 15:12:10,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2097 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1280, Invalid=6910, Unknown=0, NotChecked=0, Total=8190 [2022-03-15 15:12:10,908 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 2458 mSDsluCounter, 4824 mSDsCounter, 0 mSdLazyCounter, 4963 mSolverCounterSat, 349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2458 SdHoareTripleChecker+Valid, 5148 SdHoareTripleChecker+Invalid, 5312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 349 IncrementalHoareTripleChecker+Valid, 4963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:10,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2458 Valid, 5148 Invalid, 5312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [349 Valid, 4963 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:12:10,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7645 states. [2022-03-15 15:12:10,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7645 to 2958. [2022-03-15 15:12:10,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2958 states, 2946 states have (on average 1.924304141208418) internal successors, (5669), 2957 states have internal predecessors, (5669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:10,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2958 states to 2958 states and 5669 transitions. [2022-03-15 15:12:10,948 INFO L78 Accepts]: Start accepts. Automaton has 2958 states and 5669 transitions. Word has length 172 [2022-03-15 15:12:10,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:10,948 INFO L470 AbstractCegarLoop]: Abstraction has 2958 states and 5669 transitions. [2022-03-15 15:12:10,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:10,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2958 states and 5669 transitions. [2022-03-15 15:12:10,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:10,950 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:10,950 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:10,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-03-15 15:12:10,950 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:10,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:10,950 INFO L85 PathProgramCache]: Analyzing trace with hash 2043331962, now seen corresponding path program 8 times [2022-03-15 15:12:10,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:10,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339680775] [2022-03-15 15:12:10,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:10,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:11,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:11,341 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:11,341 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339680775] [2022-03-15 15:12:11,341 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339680775] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:11,341 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:11,341 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:12:11,341 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857014500] [2022-03-15 15:12:11,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:11,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:12:11,342 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:11,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:12:11,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:12:11,342 INFO L87 Difference]: Start difference. First operand 2958 states and 5669 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:13,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:13,873 INFO L93 Difference]: Finished difference Result 5746 states and 11117 transitions. [2022-03-15 15:12:13,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-15 15:12:13,874 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:13,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:13,879 INFO L225 Difference]: With dead ends: 5746 [2022-03-15 15:12:13,879 INFO L226 Difference]: Without dead ends: 5746 [2022-03-15 15:12:13,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1774 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=971, Invalid=5835, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:12:13,893 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 2016 mSDsluCounter, 4915 mSDsCounter, 0 mSdLazyCounter, 4297 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2016 SdHoareTripleChecker+Valid, 5214 SdHoareTripleChecker+Invalid, 4438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 4297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:13,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2016 Valid, 5214 Invalid, 4438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 4297 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:12:13,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5746 states. [2022-03-15 15:12:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5746 to 3005. [2022-03-15 15:12:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3005 states, 2993 states have (on average 1.9244904777814902) internal successors, (5760), 3004 states have internal predecessors, (5760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 5760 transitions. [2022-03-15 15:12:13,923 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 5760 transitions. Word has length 172 [2022-03-15 15:12:13,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:13,923 INFO L470 AbstractCegarLoop]: Abstraction has 3005 states and 5760 transitions. [2022-03-15 15:12:13,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:13,923 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 5760 transitions. [2022-03-15 15:12:13,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:13,925 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:13,925 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:13,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-03-15 15:12:13,925 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:13,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:13,925 INFO L85 PathProgramCache]: Analyzing trace with hash 932622621, now seen corresponding path program 27 times [2022-03-15 15:12:13,925 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:13,925 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971773007] [2022-03-15 15:12:13,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:13,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:14,292 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:14,292 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971773007] [2022-03-15 15:12:14,292 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971773007] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:14,292 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:14,292 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:12:14,292 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954301858] [2022-03-15 15:12:14,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:14,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:12:14,292 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:14,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:12:14,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:12:14,293 INFO L87 Difference]: Start difference. First operand 3005 states and 5760 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:17,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:17,625 INFO L93 Difference]: Finished difference Result 6599 states and 12739 transitions. [2022-03-15 15:12:17,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 15:12:17,626 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:17,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:17,633 INFO L225 Difference]: With dead ends: 6599 [2022-03-15 15:12:17,633 INFO L226 Difference]: Without dead ends: 6599 [2022-03-15 15:12:17,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1660 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1011, Invalid=5795, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:12:17,634 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 2400 mSDsluCounter, 5645 mSDsCounter, 0 mSdLazyCounter, 6167 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 5960 SdHoareTripleChecker+Invalid, 6426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 6167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:17,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2400 Valid, 5960 Invalid, 6426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 6167 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-15 15:12:17,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6599 states. [2022-03-15 15:12:17,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6599 to 2957. [2022-03-15 15:12:17,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2957 states, 2945 states have (on average 1.9232597623089982) internal successors, (5664), 2956 states have internal predecessors, (5664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:17,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 2957 states and 5664 transitions. [2022-03-15 15:12:17,669 INFO L78 Accepts]: Start accepts. Automaton has 2957 states and 5664 transitions. Word has length 172 [2022-03-15 15:12:17,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:17,670 INFO L470 AbstractCegarLoop]: Abstraction has 2957 states and 5664 transitions. [2022-03-15 15:12:17,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:17,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2957 states and 5664 transitions. [2022-03-15 15:12:17,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:17,671 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:17,671 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:17,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-03-15 15:12:17,671 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:17,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:17,671 INFO L85 PathProgramCache]: Analyzing trace with hash 2118842269, now seen corresponding path program 28 times [2022-03-15 15:12:17,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:17,672 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410209970] [2022-03-15 15:12:17,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:17,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:18,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:18,009 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:18,010 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410209970] [2022-03-15 15:12:18,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410209970] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:18,010 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:18,010 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:12:18,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198615382] [2022-03-15 15:12:18,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:18,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:12:18,010 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:18,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:12:18,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:12:18,010 INFO L87 Difference]: Start difference. First operand 2957 states and 5664 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:20,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:20,954 INFO L93 Difference]: Finished difference Result 7274 states and 14014 transitions. [2022-03-15 15:12:20,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 15:12:20,954 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:20,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:20,963 INFO L225 Difference]: With dead ends: 7274 [2022-03-15 15:12:20,963 INFO L226 Difference]: Without dead ends: 7274 [2022-03-15 15:12:20,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1580 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1069, Invalid=5411, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 15:12:20,964 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 2471 mSDsluCounter, 4811 mSDsCounter, 0 mSdLazyCounter, 4616 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2471 SdHoareTripleChecker+Valid, 5205 SdHoareTripleChecker+Invalid, 4990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 4616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:20,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2471 Valid, 5205 Invalid, 4990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 4616 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:12:20,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7274 states. [2022-03-15 15:12:21,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7274 to 2959. [2022-03-15 15:12:21,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2959 states, 2947 states have (on average 1.9233118425517475) internal successors, (5668), 2958 states have internal predecessors, (5668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:21,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2959 states and 5668 transitions. [2022-03-15 15:12:21,028 INFO L78 Accepts]: Start accepts. Automaton has 2959 states and 5668 transitions. Word has length 172 [2022-03-15 15:12:21,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:21,028 INFO L470 AbstractCegarLoop]: Abstraction has 2959 states and 5668 transitions. [2022-03-15 15:12:21,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:21,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 5668 transitions. [2022-03-15 15:12:21,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:21,029 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:21,029 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:21,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-03-15 15:12:21,029 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:21,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:21,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1240062335, now seen corresponding path program 29 times [2022-03-15 15:12:21,030 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:21,030 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414561767] [2022-03-15 15:12:21,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:21,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:21,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:21,427 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:21,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414561767] [2022-03-15 15:12:21,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414561767] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:21,427 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:21,427 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:12:21,427 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316631492] [2022-03-15 15:12:21,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:21,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:12:21,428 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:21,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:12:21,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:12:21,428 INFO L87 Difference]: Start difference. First operand 2959 states and 5668 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:24,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:24,635 INFO L93 Difference]: Finished difference Result 7413 states and 14292 transitions. [2022-03-15 15:12:24,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-15 15:12:24,636 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:24,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:24,644 INFO L225 Difference]: With dead ends: 7413 [2022-03-15 15:12:24,644 INFO L226 Difference]: Without dead ends: 7413 [2022-03-15 15:12:24,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1949 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1149, Invalid=6507, Unknown=0, NotChecked=0, Total=7656 [2022-03-15 15:12:24,645 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 2559 mSDsluCounter, 4852 mSDsCounter, 0 mSdLazyCounter, 5046 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2559 SdHoareTripleChecker+Valid, 5247 SdHoareTripleChecker+Invalid, 5453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 5046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:24,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2559 Valid, 5247 Invalid, 5453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 5046 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:12:24,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7413 states. [2022-03-15 15:12:24,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7413 to 2937. [2022-03-15 15:12:24,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9227350427350427) internal successors, (5624), 2936 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:24,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5624 transitions. [2022-03-15 15:12:24,685 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5624 transitions. Word has length 172 [2022-03-15 15:12:24,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:24,685 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5624 transitions. [2022-03-15 15:12:24,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:24,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5624 transitions. [2022-03-15 15:12:24,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:24,686 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:24,686 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:24,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-03-15 15:12:24,687 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:24,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:24,687 INFO L85 PathProgramCache]: Analyzing trace with hash -626719667, now seen corresponding path program 30 times [2022-03-15 15:12:24,687 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:24,687 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190505918] [2022-03-15 15:12:24,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:24,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:25,127 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:25,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190505918] [2022-03-15 15:12:25,127 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190505918] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:25,128 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:25,128 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:12:25,128 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105326610] [2022-03-15 15:12:25,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:25,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:12:25,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:25,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:12:25,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:12:25,128 INFO L87 Difference]: Start difference. First operand 2937 states and 5624 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:27,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:27,666 INFO L93 Difference]: Finished difference Result 5459 states and 10529 transitions. [2022-03-15 15:12:27,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:12:27,666 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:27,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:27,672 INFO L225 Difference]: With dead ends: 5459 [2022-03-15 15:12:27,673 INFO L226 Difference]: Without dead ends: 5459 [2022-03-15 15:12:27,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=670, Invalid=3490, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:12:27,673 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 1533 mSDsluCounter, 4785 mSDsCounter, 0 mSdLazyCounter, 4272 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1533 SdHoareTripleChecker+Valid, 5142 SdHoareTripleChecker+Invalid, 4530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 4272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:27,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1533 Valid, 5142 Invalid, 4530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 4272 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:12:27,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5459 states. [2022-03-15 15:12:27,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5459 to 2937. [2022-03-15 15:12:27,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9227350427350427) internal successors, (5624), 2936 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:27,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5624 transitions. [2022-03-15 15:12:27,707 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5624 transitions. Word has length 172 [2022-03-15 15:12:27,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:27,707 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5624 transitions. [2022-03-15 15:12:27,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:27,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5624 transitions. [2022-03-15 15:12:27,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:27,708 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:27,708 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:27,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-03-15 15:12:27,709 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:27,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:27,709 INFO L85 PathProgramCache]: Analyzing trace with hash 72555183, now seen corresponding path program 31 times [2022-03-15 15:12:27,709 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:27,709 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745603436] [2022-03-15 15:12:27,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:27,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:28,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:28,143 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:28,143 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745603436] [2022-03-15 15:12:28,143 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745603436] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:28,143 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:28,143 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:12:28,143 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95972674] [2022-03-15 15:12:28,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:28,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:12:28,143 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:28,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:12:28,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:12:28,144 INFO L87 Difference]: Start difference. First operand 2937 states and 5624 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:30,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:30,518 INFO L93 Difference]: Finished difference Result 5512 states and 10634 transitions. [2022-03-15 15:12:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 15:12:30,518 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:30,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:30,523 INFO L225 Difference]: With dead ends: 5512 [2022-03-15 15:12:30,523 INFO L226 Difference]: Without dead ends: 5512 [2022-03-15 15:12:30,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=692, Invalid=3598, Unknown=0, NotChecked=0, Total=4290 [2022-03-15 15:12:30,523 INFO L933 BasicCegarLoop]: 368 mSDtfsCounter, 1581 mSDsluCounter, 3997 mSDsCounter, 0 mSdLazyCounter, 3776 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 4356 SdHoareTripleChecker+Invalid, 4047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 3776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:30,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1581 Valid, 4356 Invalid, 4047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 3776 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:12:30,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5512 states. [2022-03-15 15:12:30,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5512 to 2938. [2022-03-15 15:12:30,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2938 states, 2926 states have (on average 1.9227614490772384) internal successors, (5626), 2937 states have internal predecessors, (5626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:30,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2938 states and 5626 transitions. [2022-03-15 15:12:30,556 INFO L78 Accepts]: Start accepts. Automaton has 2938 states and 5626 transitions. Word has length 172 [2022-03-15 15:12:30,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:30,556 INFO L470 AbstractCegarLoop]: Abstraction has 2938 states and 5626 transitions. [2022-03-15 15:12:30,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:30,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 5626 transitions. [2022-03-15 15:12:30,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:30,557 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:30,557 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:30,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-03-15 15:12:30,557 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:30,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:30,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1442536789, now seen corresponding path program 32 times [2022-03-15 15:12:30,558 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:30,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694673053] [2022-03-15 15:12:30,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:30,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:30,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:30,986 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:30,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694673053] [2022-03-15 15:12:30,986 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694673053] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:30,986 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:30,986 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:12:30,986 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835549942] [2022-03-15 15:12:30,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:30,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:12:30,986 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:30,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:12:30,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:12:30,987 INFO L87 Difference]: Start difference. First operand 2938 states and 5626 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:33,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:33,851 INFO L93 Difference]: Finished difference Result 5569 states and 10743 transitions. [2022-03-15 15:12:33,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 15:12:33,852 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:33,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:33,858 INFO L225 Difference]: With dead ends: 5569 [2022-03-15 15:12:33,858 INFO L226 Difference]: Without dead ends: 5569 [2022-03-15 15:12:33,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1071 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=815, Invalid=4155, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 15:12:33,858 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 1634 mSDsluCounter, 4975 mSDsCounter, 0 mSdLazyCounter, 4693 mSolverCounterSat, 295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 5340 SdHoareTripleChecker+Invalid, 4988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 4693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:33,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1634 Valid, 5340 Invalid, 4988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [295 Valid, 4693 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:12:33,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5569 states. [2022-03-15 15:12:33,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5569 to 2941. [2022-03-15 15:12:33,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2941 states, 2929 states have (on average 1.9228405599180607) internal successors, (5632), 2940 states have internal predecessors, (5632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:33,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2941 states and 5632 transitions. [2022-03-15 15:12:33,891 INFO L78 Accepts]: Start accepts. Automaton has 2941 states and 5632 transitions. Word has length 172 [2022-03-15 15:12:33,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:33,892 INFO L470 AbstractCegarLoop]: Abstraction has 2941 states and 5632 transitions. [2022-03-15 15:12:33,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:33,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2941 states and 5632 transitions. [2022-03-15 15:12:33,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:33,893 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:33,893 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:33,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-03-15 15:12:33,893 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:33,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:33,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1631908007, now seen corresponding path program 33 times [2022-03-15 15:12:33,893 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:33,893 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894236644] [2022-03-15 15:12:33,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:33,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:34,264 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:34,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894236644] [2022-03-15 15:12:34,264 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894236644] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:34,264 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:34,264 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:12:34,264 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398794191] [2022-03-15 15:12:34,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:34,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:12:34,265 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:34,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:12:34,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:12:34,266 INFO L87 Difference]: Start difference. First operand 2941 states and 5632 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:36,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:36,777 INFO L93 Difference]: Finished difference Result 5587 states and 10780 transitions. [2022-03-15 15:12:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 15:12:36,777 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:36,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:36,784 INFO L225 Difference]: With dead ends: 5587 [2022-03-15 15:12:36,784 INFO L226 Difference]: Without dead ends: 5587 [2022-03-15 15:12:36,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 940 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=840, Invalid=3716, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 15:12:36,785 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 1833 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 3875 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 4488 SdHoareTripleChecker+Invalid, 4197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 3875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:36,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1833 Valid, 4488 Invalid, 4197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 3875 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:12:36,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5587 states. [2022-03-15 15:12:36,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5587 to 2937. [2022-03-15 15:12:36,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9227350427350427) internal successors, (5624), 2936 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5624 transitions. [2022-03-15 15:12:36,817 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5624 transitions. Word has length 172 [2022-03-15 15:12:36,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:36,817 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5624 transitions. [2022-03-15 15:12:36,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:36,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5624 transitions. [2022-03-15 15:12:36,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:36,818 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:36,818 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:36,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-03-15 15:12:36,819 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:36,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:36,819 INFO L85 PathProgramCache]: Analyzing trace with hash -578119293, now seen corresponding path program 34 times [2022-03-15 15:12:36,819 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:36,819 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412496823] [2022-03-15 15:12:36,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:36,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:37,258 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:37,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412496823] [2022-03-15 15:12:37,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412496823] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:37,258 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:37,258 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:12:37,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006458393] [2022-03-15 15:12:37,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:37,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:12:37,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:37,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:12:37,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:12:37,259 INFO L87 Difference]: Start difference. First operand 2937 states and 5624 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:39,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:39,741 INFO L93 Difference]: Finished difference Result 5485 states and 10580 transitions. [2022-03-15 15:12:39,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:12:39,741 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:39,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:39,747 INFO L225 Difference]: With dead ends: 5485 [2022-03-15 15:12:39,747 INFO L226 Difference]: Without dead ends: 5485 [2022-03-15 15:12:39,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=662, Invalid=3498, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:12:39,748 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 1327 mSDsluCounter, 4315 mSDsCounter, 0 mSdLazyCounter, 3855 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 4623 SdHoareTripleChecker+Invalid, 4100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 3855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:39,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1327 Valid, 4623 Invalid, 4100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 3855 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:12:39,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5485 states. [2022-03-15 15:12:39,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5485 to 2939. [2022-03-15 15:12:39,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2939 states, 2927 states have (on average 1.922787837376153) internal successors, (5628), 2938 states have internal predecessors, (5628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:39,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2939 states to 2939 states and 5628 transitions. [2022-03-15 15:12:39,797 INFO L78 Accepts]: Start accepts. Automaton has 2939 states and 5628 transitions. Word has length 172 [2022-03-15 15:12:39,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:39,797 INFO L470 AbstractCegarLoop]: Abstraction has 2939 states and 5628 transitions. [2022-03-15 15:12:39,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:39,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2939 states and 5628 transitions. [2022-03-15 15:12:39,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:39,798 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:39,798 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:39,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-03-15 15:12:39,799 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:39,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:39,799 INFO L85 PathProgramCache]: Analyzing trace with hash -2093211265, now seen corresponding path program 35 times [2022-03-15 15:12:39,799 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:39,799 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707575600] [2022-03-15 15:12:39,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:39,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:40,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:40,222 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:40,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707575600] [2022-03-15 15:12:40,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707575600] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:40,223 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:40,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:12:40,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299365687] [2022-03-15 15:12:40,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:40,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:12:40,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:40,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:12:40,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:12:40,224 INFO L87 Difference]: Start difference. First operand 2939 states and 5628 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:42,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:42,642 INFO L93 Difference]: Finished difference Result 5594 states and 10792 transitions. [2022-03-15 15:12:42,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 15:12:42,642 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:42,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:42,648 INFO L225 Difference]: With dead ends: 5594 [2022-03-15 15:12:42,648 INFO L226 Difference]: Without dead ends: 5594 [2022-03-15 15:12:42,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1040 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=777, Invalid=4053, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:12:42,663 INFO L933 BasicCegarLoop]: 322 mSDtfsCounter, 1706 mSDsluCounter, 3999 mSDsCounter, 0 mSdLazyCounter, 3605 mSolverCounterSat, 318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1706 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 3923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 318 IncrementalHoareTripleChecker+Valid, 3605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:42,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1706 Valid, 4312 Invalid, 3923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [318 Valid, 3605 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:12:42,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5594 states. [2022-03-15 15:12:42,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5594 to 2942. [2022-03-15 15:12:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2942 states, 2930 states have (on average 1.9228668941979523) internal successors, (5634), 2941 states have internal predecessors, (5634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:42,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2942 states and 5634 transitions. [2022-03-15 15:12:42,697 INFO L78 Accepts]: Start accepts. Automaton has 2942 states and 5634 transitions. Word has length 172 [2022-03-15 15:12:42,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:42,698 INFO L470 AbstractCegarLoop]: Abstraction has 2942 states and 5634 transitions. [2022-03-15 15:12:42,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:42,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 5634 transitions. [2022-03-15 15:12:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:42,699 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:42,699 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:42,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-03-15 15:12:42,700 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:42,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:42,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2012384813, now seen corresponding path program 36 times [2022-03-15 15:12:42,700 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:42,700 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508465536] [2022-03-15 15:12:42,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:42,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:43,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:43,073 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:43,073 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508465536] [2022-03-15 15:12:43,073 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508465536] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:43,073 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:43,073 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:12:43,073 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126013288] [2022-03-15 15:12:43,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:43,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:12:43,073 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:43,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:12:43,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:12:43,074 INFO L87 Difference]: Start difference. First operand 2942 states and 5634 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:45,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:45,315 INFO L93 Difference]: Finished difference Result 5646 states and 10897 transitions. [2022-03-15 15:12:45,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 15:12:45,315 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:45,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:45,321 INFO L225 Difference]: With dead ends: 5646 [2022-03-15 15:12:45,321 INFO L226 Difference]: Without dead ends: 5646 [2022-03-15 15:12:45,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=857, Invalid=3835, Unknown=0, NotChecked=0, Total=4692 [2022-03-15 15:12:45,321 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 1688 mSDsluCounter, 3490 mSDsCounter, 0 mSdLazyCounter, 3203 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 3882 SdHoareTripleChecker+Invalid, 3509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 3203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:45,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1688 Valid, 3882 Invalid, 3509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 3203 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:12:45,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5646 states. [2022-03-15 15:12:45,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5646 to 2938. [2022-03-15 15:12:45,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2938 states, 2926 states have (on average 1.9227614490772384) internal successors, (5626), 2937 states have internal predecessors, (5626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:45,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2938 states and 5626 transitions. [2022-03-15 15:12:45,353 INFO L78 Accepts]: Start accepts. Automaton has 2938 states and 5626 transitions. Word has length 172 [2022-03-15 15:12:45,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:45,353 INFO L470 AbstractCegarLoop]: Abstraction has 2938 states and 5626 transitions. [2022-03-15 15:12:45,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:45,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 5626 transitions. [2022-03-15 15:12:45,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:45,354 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:45,354 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:45,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-03-15 15:12:45,355 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:45,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:45,355 INFO L85 PathProgramCache]: Analyzing trace with hash 926996813, now seen corresponding path program 37 times [2022-03-15 15:12:45,355 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:45,355 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073358008] [2022-03-15 15:12:45,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:45,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:45,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:45,749 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:45,749 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073358008] [2022-03-15 15:12:45,749 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073358008] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:45,749 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:45,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:12:45,750 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826876762] [2022-03-15 15:12:45,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:45,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:12:45,750 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:45,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:12:45,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:12:45,750 INFO L87 Difference]: Start difference. First operand 2938 states and 5626 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:47,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:47,868 INFO L93 Difference]: Finished difference Result 5557 states and 10719 transitions. [2022-03-15 15:12:47,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 15:12:47,868 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:47,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:47,874 INFO L225 Difference]: With dead ends: 5557 [2022-03-15 15:12:47,874 INFO L226 Difference]: Without dead ends: 5557 [2022-03-15 15:12:47,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=796, Invalid=3626, Unknown=0, NotChecked=0, Total=4422 [2022-03-15 15:12:47,874 INFO L933 BasicCegarLoop]: 341 mSDtfsCounter, 1970 mSDsluCounter, 3306 mSDsCounter, 0 mSdLazyCounter, 2843 mSolverCounterSat, 387 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1970 SdHoareTripleChecker+Valid, 3641 SdHoareTripleChecker+Invalid, 3230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 387 IncrementalHoareTripleChecker+Valid, 2843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:47,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1970 Valid, 3641 Invalid, 3230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [387 Valid, 2843 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:12:47,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5557 states. [2022-03-15 15:12:47,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5557 to 2944. [2022-03-15 15:12:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2944 states, 2932 states have (on average 1.9229195088676672) internal successors, (5638), 2943 states have internal predecessors, (5638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:47,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2944 states and 5638 transitions. [2022-03-15 15:12:47,905 INFO L78 Accepts]: Start accepts. Automaton has 2944 states and 5638 transitions. Word has length 172 [2022-03-15 15:12:47,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:47,905 INFO L470 AbstractCegarLoop]: Abstraction has 2944 states and 5638 transitions. [2022-03-15 15:12:47,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:47,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 5638 transitions. [2022-03-15 15:12:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:47,906 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:47,906 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:47,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-03-15 15:12:47,906 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:47,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:47,907 INFO L85 PathProgramCache]: Analyzing trace with hash 737625595, now seen corresponding path program 38 times [2022-03-15 15:12:47,907 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:47,907 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313879221] [2022-03-15 15:12:47,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:47,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:48,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:48,278 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:48,278 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313879221] [2022-03-15 15:12:48,278 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313879221] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:48,278 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:48,278 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:12:48,278 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304487204] [2022-03-15 15:12:48,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:48,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:12:48,279 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:48,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:12:48,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:12:48,279 INFO L87 Difference]: Start difference. First operand 2944 states and 5638 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:51,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:51,169 INFO L93 Difference]: Finished difference Result 5708 states and 11016 transitions. [2022-03-15 15:12:51,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 15:12:51,169 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:51,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:51,175 INFO L225 Difference]: With dead ends: 5708 [2022-03-15 15:12:51,176 INFO L226 Difference]: Without dead ends: 5708 [2022-03-15 15:12:51,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1188 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1004, Invalid=4398, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 15:12:51,176 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 1466 mSDsluCounter, 5001 mSDsCounter, 0 mSdLazyCounter, 4535 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1466 SdHoareTripleChecker+Valid, 5398 SdHoareTripleChecker+Invalid, 4831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 4535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:51,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1466 Valid, 5398 Invalid, 4831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 4535 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:12:51,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5708 states. [2022-03-15 15:12:51,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5708 to 2941. [2022-03-15 15:12:51,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2941 states, 2929 states have (on average 1.9228405599180607) internal successors, (5632), 2940 states have internal predecessors, (5632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:51,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2941 states and 5632 transitions. [2022-03-15 15:12:51,229 INFO L78 Accepts]: Start accepts. Automaton has 2941 states and 5632 transitions. Word has length 172 [2022-03-15 15:12:51,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:51,229 INFO L470 AbstractCegarLoop]: Abstraction has 2941 states and 5632 transitions. [2022-03-15 15:12:51,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:51,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2941 states and 5632 transitions. [2022-03-15 15:12:51,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:51,230 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:51,230 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:51,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-03-15 15:12:51,230 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:51,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:51,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1544099971, now seen corresponding path program 39 times [2022-03-15 15:12:51,231 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:51,231 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088285427] [2022-03-15 15:12:51,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:51,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:51,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:51,583 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:51,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088285427] [2022-03-15 15:12:51,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088285427] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:51,583 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:51,583 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:12:51,583 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543102206] [2022-03-15 15:12:51,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:51,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:12:51,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:51,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:12:51,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:12:51,584 INFO L87 Difference]: Start difference. First operand 2941 states and 5632 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:54,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:54,552 INFO L93 Difference]: Finished difference Result 5675 states and 10956 transitions. [2022-03-15 15:12:54,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 15:12:54,552 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:54,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:54,558 INFO L225 Difference]: With dead ends: 5675 [2022-03-15 15:12:54,558 INFO L226 Difference]: Without dead ends: 5675 [2022-03-15 15:12:54,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1156 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1026, Invalid=4376, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 15:12:54,559 INFO L933 BasicCegarLoop]: 416 mSDtfsCounter, 1657 mSDsluCounter, 4741 mSDsCounter, 0 mSdLazyCounter, 4526 mSolverCounterSat, 332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1657 SdHoareTripleChecker+Valid, 5149 SdHoareTripleChecker+Invalid, 4858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 4526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:54,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1657 Valid, 5149 Invalid, 4858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 4526 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:12:54,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5675 states. [2022-03-15 15:12:54,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5675 to 2937. [2022-03-15 15:12:54,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9227350427350427) internal successors, (5624), 2936 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:54,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5624 transitions. [2022-03-15 15:12:54,590 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5624 transitions. Word has length 172 [2022-03-15 15:12:54,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:54,591 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5624 transitions. [2022-03-15 15:12:54,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:54,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5624 transitions. [2022-03-15 15:12:54,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:54,592 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:54,592 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:54,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-03-15 15:12:54,592 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:54,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:54,592 INFO L85 PathProgramCache]: Analyzing trace with hash 2094418331, now seen corresponding path program 40 times [2022-03-15 15:12:54,592 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:54,593 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963422490] [2022-03-15 15:12:54,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:54,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:55,004 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:55,004 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963422490] [2022-03-15 15:12:55,004 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963422490] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:55,004 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:55,004 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:12:55,004 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042532603] [2022-03-15 15:12:55,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:55,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:12:55,004 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:55,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:12:55,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:12:55,005 INFO L87 Difference]: Start difference. First operand 2937 states and 5624 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:56,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:56,836 INFO L93 Difference]: Finished difference Result 5483 states and 10576 transitions. [2022-03-15 15:12:56,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 15:12:56,836 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:56,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:56,842 INFO L225 Difference]: With dead ends: 5483 [2022-03-15 15:12:56,842 INFO L226 Difference]: Without dead ends: 5483 [2022-03-15 15:12:56,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=591, Invalid=2831, Unknown=0, NotChecked=0, Total=3422 [2022-03-15 15:12:56,843 INFO L933 BasicCegarLoop]: 301 mSDtfsCounter, 1470 mSDsluCounter, 3435 mSDsCounter, 0 mSdLazyCounter, 2782 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1470 SdHoareTripleChecker+Valid, 3730 SdHoareTripleChecker+Invalid, 3037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 2782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:56,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1470 Valid, 3730 Invalid, 3037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 2782 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:12:56,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2022-03-15 15:12:56,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 2937. [2022-03-15 15:12:56,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9227350427350427) internal successors, (5624), 2936 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:56,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5624 transitions. [2022-03-15 15:12:56,875 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5624 transitions. Word has length 172 [2022-03-15 15:12:56,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:56,875 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5624 transitions. [2022-03-15 15:12:56,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5624 transitions. [2022-03-15 15:12:56,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:56,877 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:56,877 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:56,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-03-15 15:12:56,877 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:56,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:56,877 INFO L85 PathProgramCache]: Analyzing trace with hash 579326359, now seen corresponding path program 41 times [2022-03-15 15:12:56,877 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:56,877 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614109908] [2022-03-15 15:12:56,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:56,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:57,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:57,292 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:57,292 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614109908] [2022-03-15 15:12:57,292 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614109908] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:57,292 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:57,292 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:12:57,293 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313289822] [2022-03-15 15:12:57,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:57,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:12:57,293 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:57,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:12:57,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:12:57,293 INFO L87 Difference]: Start difference. First operand 2937 states and 5624 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:59,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:59,706 INFO L93 Difference]: Finished difference Result 5592 states and 10788 transitions. [2022-03-15 15:12:59,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 15:12:59,706 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:12:59,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:59,712 INFO L225 Difference]: With dead ends: 5592 [2022-03-15 15:12:59,712 INFO L226 Difference]: Without dead ends: 5592 [2022-03-15 15:12:59,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=742, Invalid=3950, Unknown=0, NotChecked=0, Total=4692 [2022-03-15 15:12:59,713 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1292 mSDsluCounter, 4628 mSDsCounter, 0 mSdLazyCounter, 3921 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 4913 SdHoareTripleChecker+Invalid, 4172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 3921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:59,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1292 Valid, 4913 Invalid, 4172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 3921 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:12:59,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5592 states. [2022-03-15 15:12:59,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5592 to 2940. [2022-03-15 15:12:59,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2940 states, 2928 states have (on average 1.9228142076502732) internal successors, (5630), 2939 states have internal predecessors, (5630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:59,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 5630 transitions. [2022-03-15 15:12:59,744 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 5630 transitions. Word has length 172 [2022-03-15 15:12:59,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:59,744 INFO L470 AbstractCegarLoop]: Abstraction has 2940 states and 5630 transitions. [2022-03-15 15:12:59,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:59,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 5630 transitions. [2022-03-15 15:12:59,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:12:59,745 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:59,745 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:59,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-03-15 15:12:59,745 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:12:59,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:59,745 INFO L85 PathProgramCache]: Analyzing trace with hash 389955141, now seen corresponding path program 42 times [2022-03-15 15:12:59,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:59,746 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549221004] [2022-03-15 15:12:59,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:59,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:00,105 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:00,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549221004] [2022-03-15 15:13:00,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549221004] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:00,106 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:00,106 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:00,106 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930686025] [2022-03-15 15:13:00,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:00,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:00,106 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:00,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:00,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:00,107 INFO L87 Difference]: Start difference. First operand 2940 states and 5630 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:02,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:02,314 INFO L93 Difference]: Finished difference Result 5618 states and 10841 transitions. [2022-03-15 15:13:02,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 15:13:02,314 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:02,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:02,322 INFO L225 Difference]: With dead ends: 5618 [2022-03-15 15:13:02,322 INFO L226 Difference]: Without dead ends: 5618 [2022-03-15 15:13:02,322 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=813, Invalid=3743, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 15:13:02,323 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 1372 mSDsluCounter, 3242 mSDsCounter, 0 mSdLazyCounter, 2609 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1372 SdHoareTripleChecker+Valid, 3553 SdHoareTripleChecker+Invalid, 2900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 2609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:02,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1372 Valid, 3553 Invalid, 2900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 2609 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:13:02,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5618 states. [2022-03-15 15:13:02,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5618 to 2936. [2022-03-15 15:13:02,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2936 states, 2924 states have (on average 1.9227086183310533) internal successors, (5622), 2935 states have internal predecessors, (5622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:02,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 2936 states and 5622 transitions. [2022-03-15 15:13:02,366 INFO L78 Accepts]: Start accepts. Automaton has 2936 states and 5622 transitions. Word has length 172 [2022-03-15 15:13:02,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:02,366 INFO L470 AbstractCegarLoop]: Abstraction has 2936 states and 5622 transitions. [2022-03-15 15:13:02,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:02,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2936 states and 5622 transitions. [2022-03-15 15:13:02,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:02,367 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:02,367 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:02,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-03-15 15:13:02,367 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:02,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:02,368 INFO L85 PathProgramCache]: Analyzing trace with hash -695432859, now seen corresponding path program 43 times [2022-03-15 15:13:02,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:02,368 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846679367] [2022-03-15 15:13:02,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:02,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:02,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:02,825 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:02,825 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846679367] [2022-03-15 15:13:02,825 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846679367] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:02,826 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:02,826 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:02,826 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559433603] [2022-03-15 15:13:02,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:02,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:02,826 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:02,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:02,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:02,826 INFO L87 Difference]: Start difference. First operand 2936 states and 5622 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:04,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:04,804 INFO L93 Difference]: Finished difference Result 5571 states and 10746 transitions. [2022-03-15 15:13:04,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 15:13:04,805 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:04,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:04,811 INFO L225 Difference]: With dead ends: 5571 [2022-03-15 15:13:04,811 INFO L226 Difference]: Without dead ends: 5571 [2022-03-15 15:13:04,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=755, Invalid=3535, Unknown=0, NotChecked=0, Total=4290 [2022-03-15 15:13:04,818 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 1800 mSDsluCounter, 2796 mSDsCounter, 0 mSdLazyCounter, 2275 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1800 SdHoareTripleChecker+Valid, 3102 SdHoareTripleChecker+Invalid, 2609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 2275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:04,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1800 Valid, 3102 Invalid, 2609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 2275 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:13:04,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2022-03-15 15:13:04,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 2942. [2022-03-15 15:13:04,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2942 states, 2930 states have (on average 1.9228668941979523) internal successors, (5634), 2941 states have internal predecessors, (5634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:04,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2942 states and 5634 transitions. [2022-03-15 15:13:04,852 INFO L78 Accepts]: Start accepts. Automaton has 2942 states and 5634 transitions. Word has length 172 [2022-03-15 15:13:04,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:04,852 INFO L470 AbstractCegarLoop]: Abstraction has 2942 states and 5634 transitions. [2022-03-15 15:13:04,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:04,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 5634 transitions. [2022-03-15 15:13:04,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:04,853 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:04,853 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:04,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-03-15 15:13:04,853 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:04,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:04,854 INFO L85 PathProgramCache]: Analyzing trace with hash -884804077, now seen corresponding path program 44 times [2022-03-15 15:13:04,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:04,854 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265017565] [2022-03-15 15:13:04,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:04,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:05,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:05,229 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:05,229 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265017565] [2022-03-15 15:13:05,229 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265017565] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:05,229 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:05,229 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:05,229 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596521793] [2022-03-15 15:13:05,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:05,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:05,230 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:05,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:05,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:05,230 INFO L87 Difference]: Start difference. First operand 2942 states and 5634 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:07,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:07,273 INFO L93 Difference]: Finished difference Result 5738 states and 11075 transitions. [2022-03-15 15:13:07,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 15:13:07,273 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:07,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:07,279 INFO L225 Difference]: With dead ends: 5738 [2022-03-15 15:13:07,279 INFO L226 Difference]: Without dead ends: 5738 [2022-03-15 15:13:07,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1173 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=949, Invalid=4307, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 15:13:07,280 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 1925 mSDsluCounter, 3019 mSDsCounter, 0 mSdLazyCounter, 2528 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1925 SdHoareTripleChecker+Valid, 3336 SdHoareTripleChecker+Invalid, 2895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 2528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:07,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1925 Valid, 3336 Invalid, 2895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 2528 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:13:07,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5738 states. [2022-03-15 15:13:07,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5738 to 2939. [2022-03-15 15:13:07,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2939 states, 2927 states have (on average 1.922787837376153) internal successors, (5628), 2938 states have internal predecessors, (5628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:07,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2939 states to 2939 states and 5628 transitions. [2022-03-15 15:13:07,315 INFO L78 Accepts]: Start accepts. Automaton has 2939 states and 5628 transitions. Word has length 172 [2022-03-15 15:13:07,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:07,315 INFO L470 AbstractCegarLoop]: Abstraction has 2939 states and 5628 transitions. [2022-03-15 15:13:07,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:07,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2939 states and 5628 transitions. [2022-03-15 15:13:07,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:07,316 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:07,317 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:07,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-03-15 15:13:07,317 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:07,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:07,317 INFO L85 PathProgramCache]: Analyzing trace with hash -78329701, now seen corresponding path program 45 times [2022-03-15 15:13:07,317 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:07,317 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380635963] [2022-03-15 15:13:07,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:07,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:07,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:07,870 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:07,870 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380635963] [2022-03-15 15:13:07,870 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380635963] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:07,870 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:07,870 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:13:07,870 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245064677] [2022-03-15 15:13:07,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:07,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:13:07,870 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:07,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:13:07,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:13:07,871 INFO L87 Difference]: Start difference. First operand 2939 states and 5628 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:10,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:10,963 INFO L93 Difference]: Finished difference Result 5729 states and 11063 transitions. [2022-03-15 15:13:10,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:13:10,963 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:10,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:10,968 INFO L225 Difference]: With dead ends: 5729 [2022-03-15 15:13:10,968 INFO L226 Difference]: Without dead ends: 5729 [2022-03-15 15:13:10,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1435 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1081, Invalid=5239, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 15:13:10,969 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 1658 mSDsluCounter, 4915 mSDsCounter, 0 mSdLazyCounter, 4794 mSolverCounterSat, 336 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 5310 SdHoareTripleChecker+Invalid, 5130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 336 IncrementalHoareTripleChecker+Valid, 4794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:10,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1658 Valid, 5310 Invalid, 5130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [336 Valid, 4794 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:13:10,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5729 states. [2022-03-15 15:13:10,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5729 to 2935. [2022-03-15 15:13:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2935 states, 2923 states have (on average 1.9226821758467327) internal successors, (5620), 2934 states have internal predecessors, (5620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:11,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2935 states and 5620 transitions. [2022-03-15 15:13:11,001 INFO L78 Accepts]: Start accepts. Automaton has 2935 states and 5620 transitions. Word has length 172 [2022-03-15 15:13:11,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:11,002 INFO L470 AbstractCegarLoop]: Abstraction has 2935 states and 5620 transitions. [2022-03-15 15:13:11,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:11,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 5620 transitions. [2022-03-15 15:13:11,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:11,003 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:11,003 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:11,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-03-15 15:13:11,003 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:11,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:11,003 INFO L85 PathProgramCache]: Analyzing trace with hash 148453739, now seen corresponding path program 46 times [2022-03-15 15:13:11,004 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:11,004 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94933797] [2022-03-15 15:13:11,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:11,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:11,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:11,405 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:11,405 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94933797] [2022-03-15 15:13:11,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94933797] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:11,406 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:11,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:11,406 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382981035] [2022-03-15 15:13:11,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:11,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:11,406 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:11,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:11,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:11,407 INFO L87 Difference]: Start difference. First operand 2935 states and 5620 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:13,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:13,422 INFO L93 Difference]: Finished difference Result 5546 states and 10697 transitions. [2022-03-15 15:13:13,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 15:13:13,423 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:13,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:13,429 INFO L225 Difference]: With dead ends: 5546 [2022-03-15 15:13:13,429 INFO L226 Difference]: Without dead ends: 5546 [2022-03-15 15:13:13,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 951 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=821, Invalid=3735, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 15:13:13,429 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 1432 mSDsluCounter, 3175 mSDsCounter, 0 mSdLazyCounter, 2538 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1432 SdHoareTripleChecker+Valid, 3486 SdHoareTripleChecker+Invalid, 2873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 2538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:13,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1432 Valid, 3486 Invalid, 2873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 2538 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:13:13,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5546 states. [2022-03-15 15:13:13,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5546 to 2935. [2022-03-15 15:13:13,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2935 states, 2923 states have (on average 1.9226821758467327) internal successors, (5620), 2934 states have internal predecessors, (5620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2935 states and 5620 transitions. [2022-03-15 15:13:13,462 INFO L78 Accepts]: Start accepts. Automaton has 2935 states and 5620 transitions. Word has length 172 [2022-03-15 15:13:13,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:13,462 INFO L470 AbstractCegarLoop]: Abstraction has 2935 states and 5620 transitions. [2022-03-15 15:13:13,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:13,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 5620 transitions. [2022-03-15 15:13:13,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:13,463 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:13,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:13,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-03-15 15:13:13,464 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:13,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:13,464 INFO L85 PathProgramCache]: Analyzing trace with hash -40917479, now seen corresponding path program 47 times [2022-03-15 15:13:13,464 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:13,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782278253] [2022-03-15 15:13:13,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:13,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:13,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:13,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782278253] [2022-03-15 15:13:13,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782278253] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:13,846 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:13,846 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:13,846 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186887906] [2022-03-15 15:13:13,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:13,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:13,846 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:13,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:13,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:13,847 INFO L87 Difference]: Start difference. First operand 2935 states and 5620 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:16,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:16,171 INFO L93 Difference]: Finished difference Result 5670 states and 10940 transitions. [2022-03-15 15:13:16,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 15:13:16,171 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:16,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:16,177 INFO L225 Difference]: With dead ends: 5670 [2022-03-15 15:13:16,177 INFO L226 Difference]: Without dead ends: 5670 [2022-03-15 15:13:16,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=936, Invalid=4176, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:13:16,178 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 1476 mSDsluCounter, 3940 mSDsCounter, 0 mSdLazyCounter, 3231 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 4262 SdHoareTripleChecker+Invalid, 3583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 3231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:16,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1476 Valid, 4262 Invalid, 3583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 3231 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:13:16,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5670 states. [2022-03-15 15:13:16,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5670 to 2932. [2022-03-15 15:13:16,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2920 states have (on average 1.9226027397260275) internal successors, (5614), 2931 states have internal predecessors, (5614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 5614 transitions. [2022-03-15 15:13:16,213 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 5614 transitions. Word has length 172 [2022-03-15 15:13:16,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:16,213 INFO L470 AbstractCegarLoop]: Abstraction has 2932 states and 5614 transitions. [2022-03-15 15:13:16,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:16,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 5614 transitions. [2022-03-15 15:13:16,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:16,214 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:16,214 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:16,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-03-15 15:13:16,215 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:16,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:16,215 INFO L85 PathProgramCache]: Analyzing trace with hash 765556897, now seen corresponding path program 48 times [2022-03-15 15:13:16,215 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:16,215 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237516967] [2022-03-15 15:13:16,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:16,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:16,592 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:16,592 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237516967] [2022-03-15 15:13:16,592 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237516967] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:16,592 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:16,592 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:16,592 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623129759] [2022-03-15 15:13:16,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:16,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:16,593 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:16,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:16,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:16,593 INFO L87 Difference]: Start difference. First operand 2932 states and 5614 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:19,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:19,309 INFO L93 Difference]: Finished difference Result 5772 states and 11144 transitions. [2022-03-15 15:13:19,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 15:13:19,310 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:19,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:19,316 INFO L225 Difference]: With dead ends: 5772 [2022-03-15 15:13:19,316 INFO L226 Difference]: Without dead ends: 5772 [2022-03-15 15:13:19,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1503 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1220, Invalid=5260, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 15:13:19,317 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 1886 mSDsluCounter, 3902 mSDsCounter, 0 mSdLazyCounter, 3800 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1886 SdHoareTripleChecker+Valid, 4318 SdHoareTripleChecker+Invalid, 4207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 3800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:19,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1886 Valid, 4318 Invalid, 4207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 3800 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:13:19,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5772 states. [2022-03-15 15:13:19,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5772 to 2929. [2022-03-15 15:13:19,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2929 states, 2917 states have (on average 1.922523140212547) internal successors, (5608), 2928 states have internal predecessors, (5608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:19,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2929 states and 5608 transitions. [2022-03-15 15:13:19,349 INFO L78 Accepts]: Start accepts. Automaton has 2929 states and 5608 transitions. Word has length 172 [2022-03-15 15:13:19,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:19,349 INFO L470 AbstractCegarLoop]: Abstraction has 2929 states and 5608 transitions. [2022-03-15 15:13:19,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:19,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 5608 transitions. [2022-03-15 15:13:19,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:19,359 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:19,359 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:19,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-03-15 15:13:19,359 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:19,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:19,360 INFO L85 PathProgramCache]: Analyzing trace with hash 523268703, now seen corresponding path program 49 times [2022-03-15 15:13:19,360 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:19,360 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996966703] [2022-03-15 15:13:19,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:19,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:19,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:19,699 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:19,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996966703] [2022-03-15 15:13:19,699 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996966703] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:19,699 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:19,699 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:19,699 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140132028] [2022-03-15 15:13:19,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:19,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:19,699 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:19,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:19,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:19,700 INFO L87 Difference]: Start difference. First operand 2929 states and 5608 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:22,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:22,348 INFO L93 Difference]: Finished difference Result 5745 states and 11092 transitions. [2022-03-15 15:13:22,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 15:13:22,348 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:22,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:22,354 INFO L225 Difference]: With dead ends: 5745 [2022-03-15 15:13:22,354 INFO L226 Difference]: Without dead ends: 5745 [2022-03-15 15:13:22,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1545 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1225, Invalid=5417, Unknown=0, NotChecked=0, Total=6642 [2022-03-15 15:13:22,355 INFO L933 BasicCegarLoop]: 421 mSDtfsCounter, 2103 mSDsluCounter, 3581 mSDsCounter, 0 mSdLazyCounter, 3485 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2103 SdHoareTripleChecker+Valid, 3996 SdHoareTripleChecker+Invalid, 3936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 3485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:22,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2103 Valid, 3996 Invalid, 3936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 3485 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:13:22,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5745 states. [2022-03-15 15:13:22,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5745 to 2925. [2022-03-15 15:13:22,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2913 states have (on average 1.9224167524888431) internal successors, (5600), 2924 states have internal predecessors, (5600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:22,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 5600 transitions. [2022-03-15 15:13:22,385 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 5600 transitions. Word has length 172 [2022-03-15 15:13:22,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:22,385 INFO L470 AbstractCegarLoop]: Abstraction has 2925 states and 5600 transitions. [2022-03-15 15:13:22,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:22,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 5600 transitions. [2022-03-15 15:13:22,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:22,386 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:22,386 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:22,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-03-15 15:13:22,386 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:22,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:22,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1198437183, now seen corresponding path program 50 times [2022-03-15 15:13:22,387 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:22,387 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33218563] [2022-03-15 15:13:22,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:22,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:22,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:22,766 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:22,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33218563] [2022-03-15 15:13:22,766 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33218563] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:22,766 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:22,766 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:13:22,766 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258699455] [2022-03-15 15:13:22,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:22,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:13:22,766 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:22,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:13:22,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:13:22,767 INFO L87 Difference]: Start difference. First operand 2925 states and 5600 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:26,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:26,261 INFO L93 Difference]: Finished difference Result 5715 states and 11036 transitions. [2022-03-15 15:13:26,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-15 15:13:26,262 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:26,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:26,268 INFO L225 Difference]: With dead ends: 5715 [2022-03-15 15:13:26,268 INFO L226 Difference]: Without dead ends: 5715 [2022-03-15 15:13:26,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1676 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1212, Invalid=5928, Unknown=0, NotChecked=0, Total=7140 [2022-03-15 15:13:26,269 INFO L933 BasicCegarLoop]: 421 mSDtfsCounter, 1655 mSDsluCounter, 5419 mSDsCounter, 0 mSdLazyCounter, 5538 mSolverCounterSat, 373 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1655 SdHoareTripleChecker+Valid, 5830 SdHoareTripleChecker+Invalid, 5911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 373 IncrementalHoareTripleChecker+Valid, 5538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:26,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1655 Valid, 5830 Invalid, 5911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [373 Valid, 5538 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-15 15:13:26,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5715 states. [2022-03-15 15:13:26,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5715 to 2895. [2022-03-15 15:13:26,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2895 states, 2883 states have (on average 1.9216094346167187) internal successors, (5540), 2894 states have internal predecessors, (5540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 5540 transitions. [2022-03-15 15:13:26,301 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 5540 transitions. Word has length 172 [2022-03-15 15:13:26,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:26,301 INFO L470 AbstractCegarLoop]: Abstraction has 2895 states and 5540 transitions. [2022-03-15 15:13:26,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 5540 transitions. [2022-03-15 15:13:26,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:26,303 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:26,303 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:26,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-03-15 15:13:26,303 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:26,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:26,303 INFO L85 PathProgramCache]: Analyzing trace with hash -20243196, now seen corresponding path program 9 times [2022-03-15 15:13:26,303 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:26,303 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938439744] [2022-03-15 15:13:26,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:26,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:26,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:26,841 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:26,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938439744] [2022-03-15 15:13:26,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938439744] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:26,841 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:26,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:26,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012546508] [2022-03-15 15:13:26,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:26,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:26,842 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:26,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:26,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:26,842 INFO L87 Difference]: Start difference. First operand 2895 states and 5540 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:28,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:28,889 INFO L93 Difference]: Finished difference Result 4047 states and 7828 transitions. [2022-03-15 15:13:28,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 15:13:28,889 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:28,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:28,906 INFO L225 Difference]: With dead ends: 4047 [2022-03-15 15:13:28,906 INFO L226 Difference]: Without dead ends: 4047 [2022-03-15 15:13:28,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 962 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=698, Invalid=3462, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:13:28,907 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 1485 mSDsluCounter, 3651 mSDsCounter, 0 mSdLazyCounter, 2624 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 3905 SdHoareTripleChecker+Invalid, 2776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 2624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:28,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1485 Valid, 3905 Invalid, 2776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 2624 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:13:28,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4047 states. [2022-03-15 15:13:28,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4047 to 2981. [2022-03-15 15:13:28,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2981 states, 2969 states have (on average 1.9238800943078478) internal successors, (5712), 2980 states have internal predecessors, (5712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2981 states to 2981 states and 5712 transitions. [2022-03-15 15:13:28,931 INFO L78 Accepts]: Start accepts. Automaton has 2981 states and 5712 transitions. Word has length 172 [2022-03-15 15:13:28,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:28,931 INFO L470 AbstractCegarLoop]: Abstraction has 2981 states and 5712 transitions. [2022-03-15 15:13:28,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:28,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2981 states and 5712 transitions. [2022-03-15 15:13:28,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:28,933 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:28,933 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:28,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-03-15 15:13:28,933 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:28,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:28,933 INFO L85 PathProgramCache]: Analyzing trace with hash 2021805342, now seen corresponding path program 10 times [2022-03-15 15:13:28,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:28,934 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574164308] [2022-03-15 15:13:28,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:28,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:29,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:29,368 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:29,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574164308] [2022-03-15 15:13:29,368 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574164308] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:29,368 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:29,368 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:29,370 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642963821] [2022-03-15 15:13:29,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:29,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:29,371 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:29,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:29,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:29,371 INFO L87 Difference]: Start difference. First operand 2981 states and 5712 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:31,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:31,384 INFO L93 Difference]: Finished difference Result 4091 states and 7914 transitions. [2022-03-15 15:13:31,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 15:13:31,384 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:31,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:31,389 INFO L225 Difference]: With dead ends: 4091 [2022-03-15 15:13:31,389 INFO L226 Difference]: Without dead ends: 4091 [2022-03-15 15:13:31,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1095 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=742, Invalid=3814, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 15:13:31,389 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 1668 mSDsluCounter, 3447 mSDsCounter, 0 mSdLazyCounter, 2831 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1668 SdHoareTripleChecker+Valid, 3709 SdHoareTripleChecker+Invalid, 3020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 2831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:31,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1668 Valid, 3709 Invalid, 3020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 2831 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:13:31,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4091 states. [2022-03-15 15:13:31,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4091 to 2992. [2022-03-15 15:13:31,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2992 states, 2980 states have (on average 1.9241610738255033) internal successors, (5734), 2991 states have internal predecessors, (5734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:31,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 2992 states and 5734 transitions. [2022-03-15 15:13:31,417 INFO L78 Accepts]: Start accepts. Automaton has 2992 states and 5734 transitions. Word has length 172 [2022-03-15 15:13:31,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:31,417 INFO L470 AbstractCegarLoop]: Abstraction has 2992 states and 5734 transitions. [2022-03-15 15:13:31,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:31,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2992 states and 5734 transitions. [2022-03-15 15:13:31,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:31,419 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:31,419 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:31,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-03-15 15:13:31,419 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:31,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:31,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1172850308, now seen corresponding path program 11 times [2022-03-15 15:13:31,419 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:31,419 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809459743] [2022-03-15 15:13:31,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:31,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:31,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:31,849 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:31,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809459743] [2022-03-15 15:13:31,849 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809459743] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:31,849 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:31,849 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:31,849 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364513752] [2022-03-15 15:13:31,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:31,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:31,849 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:31,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:31,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:31,850 INFO L87 Difference]: Start difference. First operand 2992 states and 5734 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:33,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:33,906 INFO L93 Difference]: Finished difference Result 4132 states and 7994 transitions. [2022-03-15 15:13:33,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 15:13:33,907 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:33,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:33,911 INFO L225 Difference]: With dead ends: 4132 [2022-03-15 15:13:33,911 INFO L226 Difference]: Without dead ends: 4132 [2022-03-15 15:13:33,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1152 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=733, Invalid=3959, Unknown=0, NotChecked=0, Total=4692 [2022-03-15 15:13:33,912 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 1503 mSDsluCounter, 3882 mSDsCounter, 0 mSdLazyCounter, 3031 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 4153 SdHoareTripleChecker+Invalid, 3221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 3031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:33,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1503 Valid, 4153 Invalid, 3221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 3031 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:13:33,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4132 states. [2022-03-15 15:13:33,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4132 to 3003. [2022-03-15 15:13:33,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3003 states, 2991 states have (on average 1.9244399866265463) internal successors, (5756), 3002 states have internal predecessors, (5756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:33,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 5756 transitions. [2022-03-15 15:13:33,939 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 5756 transitions. Word has length 172 [2022-03-15 15:13:33,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:33,939 INFO L470 AbstractCegarLoop]: Abstraction has 3003 states and 5756 transitions. [2022-03-15 15:13:33,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:33,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 5756 transitions. [2022-03-15 15:13:33,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:33,941 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:33,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:33,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-03-15 15:13:33,941 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:33,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:33,942 INFO L85 PathProgramCache]: Analyzing trace with hash 303015872, now seen corresponding path program 12 times [2022-03-15 15:13:33,942 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:33,942 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462474734] [2022-03-15 15:13:33,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:33,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:34,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:34,315 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:34,315 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462474734] [2022-03-15 15:13:34,315 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462474734] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:34,315 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:34,315 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:34,315 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259073931] [2022-03-15 15:13:34,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:34,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:34,316 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:34,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:34,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:34,316 INFO L87 Difference]: Start difference. First operand 3003 states and 5756 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:36,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:36,187 INFO L93 Difference]: Finished difference Result 4176 states and 8080 transitions. [2022-03-15 15:13:36,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 15:13:36,187 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:36,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:36,192 INFO L225 Difference]: With dead ends: 4176 [2022-03-15 15:13:36,192 INFO L226 Difference]: Without dead ends: 4176 [2022-03-15 15:13:36,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=736, Invalid=4094, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:13:36,192 INFO L933 BasicCegarLoop]: 282 mSDtfsCounter, 1836 mSDsluCounter, 3136 mSDsCounter, 0 mSdLazyCounter, 2541 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1836 SdHoareTripleChecker+Valid, 3415 SdHoareTripleChecker+Invalid, 2804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 2541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:36,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1836 Valid, 3415 Invalid, 2804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 2541 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:13:36,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4176 states. [2022-03-15 15:13:36,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4176 to 3014. [2022-03-15 15:13:36,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3014 states, 3002 states have (on average 1.9247168554297136) internal successors, (5778), 3013 states have internal predecessors, (5778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:36,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3014 states to 3014 states and 5778 transitions. [2022-03-15 15:13:36,219 INFO L78 Accepts]: Start accepts. Automaton has 3014 states and 5778 transitions. Word has length 172 [2022-03-15 15:13:36,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:36,219 INFO L470 AbstractCegarLoop]: Abstraction has 3014 states and 5778 transitions. [2022-03-15 15:13:36,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3014 states and 5778 transitions. [2022-03-15 15:13:36,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:36,221 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:36,221 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:36,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-03-15 15:13:36,221 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:36,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:36,221 INFO L85 PathProgramCache]: Analyzing trace with hash 2009857122, now seen corresponding path program 13 times [2022-03-15 15:13:36,221 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:36,221 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784093981] [2022-03-15 15:13:36,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:36,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:36,561 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:36,561 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784093981] [2022-03-15 15:13:36,561 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784093981] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:36,561 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:36,561 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:36,561 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318196963] [2022-03-15 15:13:36,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:36,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:36,561 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:36,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:36,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:36,562 INFO L87 Difference]: Start difference. First operand 3014 states and 5778 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:38,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:38,419 INFO L93 Difference]: Finished difference Result 4742 states and 9130 transitions. [2022-03-15 15:13:38,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 15:13:38,420 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:38,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:38,425 INFO L225 Difference]: With dead ends: 4742 [2022-03-15 15:13:38,425 INFO L226 Difference]: Without dead ends: 4742 [2022-03-15 15:13:38,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 982 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=608, Invalid=3814, Unknown=0, NotChecked=0, Total=4422 [2022-03-15 15:13:38,425 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 1794 mSDsluCounter, 4026 mSDsCounter, 0 mSdLazyCounter, 3187 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1794 SdHoareTripleChecker+Valid, 4352 SdHoareTripleChecker+Invalid, 3295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:38,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1794 Valid, 4352 Invalid, 3295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3187 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:13:38,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4742 states. [2022-03-15 15:13:38,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4742 to 3045. [2022-03-15 15:13:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3045 states, 3033 states have (on average 1.925486317177712) internal successors, (5840), 3044 states have internal predecessors, (5840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:38,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 3045 states and 5840 transitions. [2022-03-15 15:13:38,454 INFO L78 Accepts]: Start accepts. Automaton has 3045 states and 5840 transitions. Word has length 172 [2022-03-15 15:13:38,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:38,455 INFO L470 AbstractCegarLoop]: Abstraction has 3045 states and 5840 transitions. [2022-03-15 15:13:38,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:38,455 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 5840 transitions. [2022-03-15 15:13:38,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:38,456 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:38,456 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:38,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-03-15 15:13:38,456 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:38,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:38,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1912266457, now seen corresponding path program 51 times [2022-03-15 15:13:38,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:38,457 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952474308] [2022-03-15 15:13:38,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:38,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:38,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:38,811 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:38,811 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952474308] [2022-03-15 15:13:38,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952474308] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:38,811 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:38,812 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:38,812 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202649064] [2022-03-15 15:13:38,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:38,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:38,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:38,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:38,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:38,813 INFO L87 Difference]: Start difference. First operand 3045 states and 5840 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:41,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:41,336 INFO L93 Difference]: Finished difference Result 5110 states and 9791 transitions. [2022-03-15 15:13:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 15:13:41,337 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:41,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:41,342 INFO L225 Difference]: With dead ends: 5110 [2022-03-15 15:13:41,342 INFO L226 Difference]: Without dead ends: 5110 [2022-03-15 15:13:41,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1016 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=638, Invalid=3918, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 15:13:41,343 INFO L933 BasicCegarLoop]: 375 mSDtfsCounter, 1911 mSDsluCounter, 5343 mSDsCounter, 0 mSdLazyCounter, 4891 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1911 SdHoareTripleChecker+Valid, 5714 SdHoareTripleChecker+Invalid, 5070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 4891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:41,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1911 Valid, 5714 Invalid, 5070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 4891 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:13:41,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5110 states. [2022-03-15 15:13:41,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5110 to 2925. [2022-03-15 15:13:41,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2913 states have (on average 1.9224167524888431) internal successors, (5600), 2924 states have internal predecessors, (5600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:41,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 5600 transitions. [2022-03-15 15:13:41,378 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 5600 transitions. Word has length 172 [2022-03-15 15:13:41,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:41,379 INFO L470 AbstractCegarLoop]: Abstraction has 2925 states and 5600 transitions. [2022-03-15 15:13:41,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:41,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 5600 transitions. [2022-03-15 15:13:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:41,380 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:41,380 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:41,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-03-15 15:13:41,380 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:41,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:41,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1222433984, now seen corresponding path program 14 times [2022-03-15 15:13:41,380 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:41,380 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910371883] [2022-03-15 15:13:41,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:41,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:41,722 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:41,722 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910371883] [2022-03-15 15:13:41,722 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910371883] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:41,722 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:41,722 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:41,723 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645312301] [2022-03-15 15:13:41,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:41,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:41,723 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:41,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:41,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:41,723 INFO L87 Difference]: Start difference. First operand 2925 states and 5600 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:43,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:43,754 INFO L93 Difference]: Finished difference Result 5686 states and 10939 transitions. [2022-03-15 15:13:43,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:13:43,754 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:43,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:43,760 INFO L225 Difference]: With dead ends: 5686 [2022-03-15 15:13:43,761 INFO L226 Difference]: Without dead ends: 5686 [2022-03-15 15:13:43,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1491 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=738, Invalid=5114, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 15:13:43,761 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 1682 mSDsluCounter, 5191 mSDsCounter, 0 mSdLazyCounter, 3238 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1682 SdHoareTripleChecker+Valid, 5590 SdHoareTripleChecker+Invalid, 3339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:43,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1682 Valid, 5590 Invalid, 3339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3238 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:13:43,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5686 states. [2022-03-15 15:13:43,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5686 to 3011. [2022-03-15 15:13:43,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3011 states, 2999 states have (on average 1.924641547182394) internal successors, (5772), 3010 states have internal predecessors, (5772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:43,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 3011 states and 5772 transitions. [2022-03-15 15:13:43,794 INFO L78 Accepts]: Start accepts. Automaton has 3011 states and 5772 transitions. Word has length 172 [2022-03-15 15:13:43,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:43,795 INFO L470 AbstractCegarLoop]: Abstraction has 3011 states and 5772 transitions. [2022-03-15 15:13:43,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:43,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3011 states and 5772 transitions. [2022-03-15 15:13:43,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:43,796 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:43,796 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:43,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-03-15 15:13:43,796 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:43,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:43,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1595277701, now seen corresponding path program 52 times [2022-03-15 15:13:43,796 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:43,796 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203497296] [2022-03-15 15:13:43,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:43,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:44,195 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:44,195 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203497296] [2022-03-15 15:13:44,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203497296] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:44,196 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:44,196 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:13:44,196 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348318371] [2022-03-15 15:13:44,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:44,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:13:44,196 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:44,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:13:44,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:13:44,196 INFO L87 Difference]: Start difference. First operand 3011 states and 5772 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:46,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:46,983 INFO L93 Difference]: Finished difference Result 6769 states and 12968 transitions. [2022-03-15 15:13:46,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:13:46,983 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:46,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:47,003 INFO L225 Difference]: With dead ends: 6769 [2022-03-15 15:13:47,003 INFO L226 Difference]: Without dead ends: 6769 [2022-03-15 15:13:47,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1578 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=768, Invalid=5394, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 15:13:47,004 INFO L933 BasicCegarLoop]: 435 mSDtfsCounter, 2075 mSDsluCounter, 6258 mSDsCounter, 0 mSdLazyCounter, 5257 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2075 SdHoareTripleChecker+Valid, 6686 SdHoareTripleChecker+Invalid, 5499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 5257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:47,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2075 Valid, 6686 Invalid, 5499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 5257 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:13:47,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6769 states. [2022-03-15 15:13:47,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6769 to 2963. [2022-03-15 15:13:47,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2963 states, 2951 states have (on average 1.923415791257201) internal successors, (5676), 2962 states have internal predecessors, (5676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2963 states and 5676 transitions. [2022-03-15 15:13:47,034 INFO L78 Accepts]: Start accepts. Automaton has 2963 states and 5676 transitions. Word has length 172 [2022-03-15 15:13:47,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:47,034 INFO L470 AbstractCegarLoop]: Abstraction has 2963 states and 5676 transitions. [2022-03-15 15:13:47,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:47,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2963 states and 5676 transitions. [2022-03-15 15:13:47,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:47,035 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:47,035 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:47,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-03-15 15:13:47,036 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:47,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:47,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1169571879, now seen corresponding path program 53 times [2022-03-15 15:13:47,036 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:47,036 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783475385] [2022-03-15 15:13:47,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:47,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:47,407 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:47,407 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783475385] [2022-03-15 15:13:47,407 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783475385] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:47,407 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:47,407 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:13:47,407 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223287479] [2022-03-15 15:13:47,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:47,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:13:47,409 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:47,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:13:47,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:13:47,409 INFO L87 Difference]: Start difference. First operand 2963 states and 5676 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:50,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:50,379 INFO L93 Difference]: Finished difference Result 6125 states and 11744 transitions. [2022-03-15 15:13:50,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:13:50,380 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:50,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:50,386 INFO L225 Difference]: With dead ends: 6125 [2022-03-15 15:13:50,386 INFO L226 Difference]: Without dead ends: 6125 [2022-03-15 15:13:50,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1486 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=773, Invalid=5233, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 15:13:50,387 INFO L933 BasicCegarLoop]: 447 mSDtfsCounter, 1995 mSDsluCounter, 6215 mSDsCounter, 0 mSdLazyCounter, 5596 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1995 SdHoareTripleChecker+Valid, 6656 SdHoareTripleChecker+Invalid, 5826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 5596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:50,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1995 Valid, 6656 Invalid, 5826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 5596 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:13:50,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6125 states. [2022-03-15 15:13:50,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6125 to 2959. [2022-03-15 15:13:50,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2959 states, 2947 states have (on average 1.9233118425517475) internal successors, (5668), 2958 states have internal predecessors, (5668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2959 states and 5668 transitions. [2022-03-15 15:13:50,421 INFO L78 Accepts]: Start accepts. Automaton has 2959 states and 5668 transitions. Word has length 172 [2022-03-15 15:13:50,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:50,421 INFO L470 AbstractCegarLoop]: Abstraction has 2959 states and 5668 transitions. [2022-03-15 15:13:50,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 5668 transitions. [2022-03-15 15:13:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:50,422 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:50,422 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:50,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-03-15 15:13:50,422 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:50,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:50,423 INFO L85 PathProgramCache]: Analyzing trace with hash 2105634571, now seen corresponding path program 54 times [2022-03-15 15:13:50,423 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:50,423 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580180207] [2022-03-15 15:13:50,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:50,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:50,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:50,757 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:50,757 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580180207] [2022-03-15 15:13:50,757 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580180207] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:50,758 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:50,758 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:50,758 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051049072] [2022-03-15 15:13:50,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:50,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:50,758 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:50,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:50,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:50,758 INFO L87 Difference]: Start difference. First operand 2959 states and 5668 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:53,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:53,390 INFO L93 Difference]: Finished difference Result 6089 states and 11672 transitions. [2022-03-15 15:13:53,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 15:13:53,390 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:53,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:53,397 INFO L225 Difference]: With dead ends: 6089 [2022-03-15 15:13:53,397 INFO L226 Difference]: Without dead ends: 6089 [2022-03-15 15:13:53,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1328 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=760, Invalid=4790, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 15:13:53,398 INFO L933 BasicCegarLoop]: 478 mSDtfsCounter, 1795 mSDsluCounter, 5350 mSDsCounter, 0 mSdLazyCounter, 4766 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 5824 SdHoareTripleChecker+Invalid, 4993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 4766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:53,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1795 Valid, 5824 Invalid, 4993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 4766 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:13:53,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6089 states. [2022-03-15 15:13:53,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6089 to 2913. [2022-03-15 15:13:53,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2913 states, 2901 states have (on average 1.9220958290244743) internal successors, (5576), 2912 states have internal predecessors, (5576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2913 states and 5576 transitions. [2022-03-15 15:13:53,432 INFO L78 Accepts]: Start accepts. Automaton has 2913 states and 5576 transitions. Word has length 172 [2022-03-15 15:13:53,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:53,433 INFO L470 AbstractCegarLoop]: Abstraction has 2913 states and 5576 transitions. [2022-03-15 15:13:53,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:53,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 5576 transitions. [2022-03-15 15:13:53,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:53,434 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:53,434 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:53,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-03-15 15:13:53,434 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:53,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:53,434 INFO L85 PathProgramCache]: Analyzing trace with hash 856940894, now seen corresponding path program 15 times [2022-03-15 15:13:53,434 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:53,434 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084062719] [2022-03-15 15:13:53,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:53,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:53,815 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:53,815 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084062719] [2022-03-15 15:13:53,815 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084062719] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:53,815 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:53,815 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:13:53,816 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101816407] [2022-03-15 15:13:53,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:53,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:13:53,816 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:53,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:13:53,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:13:53,816 INFO L87 Difference]: Start difference. First operand 2913 states and 5576 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:55,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:55,930 INFO L93 Difference]: Finished difference Result 5771 states and 11104 transitions. [2022-03-15 15:13:55,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-15 15:13:55,931 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:55,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:55,937 INFO L225 Difference]: With dead ends: 5771 [2022-03-15 15:13:55,937 INFO L226 Difference]: Without dead ends: 5771 [2022-03-15 15:13:55,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1862 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=846, Invalid=5960, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:13:55,938 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 1570 mSDsluCounter, 4826 mSDsCounter, 0 mSdLazyCounter, 3003 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 5238 SdHoareTripleChecker+Invalid, 3105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 3003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:55,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1570 Valid, 5238 Invalid, 3105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 3003 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:13:55,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5771 states. [2022-03-15 15:13:55,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5771 to 3020. [2022-03-15 15:13:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3020 states, 3008 states have (on average 1.9248670212765957) internal successors, (5790), 3019 states have internal predecessors, (5790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:55,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 5790 transitions. [2022-03-15 15:13:55,972 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 5790 transitions. Word has length 172 [2022-03-15 15:13:55,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:55,972 INFO L470 AbstractCegarLoop]: Abstraction has 3020 states and 5790 transitions. [2022-03-15 15:13:55,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:55,972 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 5790 transitions. [2022-03-15 15:13:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:55,973 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:55,973 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:55,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-03-15 15:13:55,973 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:55,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:55,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1229784611, now seen corresponding path program 55 times [2022-03-15 15:13:55,974 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:55,974 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044291054] [2022-03-15 15:13:55,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:55,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:56,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:56,367 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:56,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044291054] [2022-03-15 15:13:56,367 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044291054] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:56,367 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:56,368 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:13:56,368 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357610440] [2022-03-15 15:13:56,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:56,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:13:56,368 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:56,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:13:56,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:13:56,368 INFO L87 Difference]: Start difference. First operand 3020 states and 5790 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:59,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:59,217 INFO L93 Difference]: Finished difference Result 6854 states and 13133 transitions. [2022-03-15 15:13:59,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-15 15:13:59,217 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:13:59,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:59,223 INFO L225 Difference]: With dead ends: 6854 [2022-03-15 15:13:59,223 INFO L226 Difference]: Without dead ends: 6854 [2022-03-15 15:13:59,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2048 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=927, Invalid=6555, Unknown=0, NotChecked=0, Total=7482 [2022-03-15 15:13:59,224 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 2079 mSDsluCounter, 5669 mSDsCounter, 0 mSdLazyCounter, 4623 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2079 SdHoareTripleChecker+Valid, 6114 SdHoareTripleChecker+Invalid, 4882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 4623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:59,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2079 Valid, 6114 Invalid, 4882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 4623 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:13:59,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6854 states. [2022-03-15 15:13:59,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6854 to 2972. [2022-03-15 15:13:59,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2972 states, 2960 states have (on average 1.9236486486486486) internal successors, (5694), 2971 states have internal predecessors, (5694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:59,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 5694 transitions. [2022-03-15 15:13:59,257 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 5694 transitions. Word has length 172 [2022-03-15 15:13:59,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:59,257 INFO L470 AbstractCegarLoop]: Abstraction has 2972 states and 5694 transitions. [2022-03-15 15:13:59,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:59,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 5694 transitions. [2022-03-15 15:13:59,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:13:59,258 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:59,258 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:59,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-03-15 15:13:59,258 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:13:59,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:59,258 INFO L85 PathProgramCache]: Analyzing trace with hash 804078789, now seen corresponding path program 56 times [2022-03-15 15:13:59,258 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:59,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076874640] [2022-03-15 15:13:59,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:59,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:59,636 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:59,636 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076874640] [2022-03-15 15:13:59,636 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076874640] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:59,636 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:59,636 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:13:59,636 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724669875] [2022-03-15 15:13:59,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:59,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:13:59,636 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:59,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:13:59,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:13:59,637 INFO L87 Difference]: Start difference. First operand 2972 states and 5694 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:02,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:02,572 INFO L93 Difference]: Finished difference Result 7668 states and 14686 transitions. [2022-03-15 15:14:02,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-15 15:14:02,572 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:02,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:02,581 INFO L225 Difference]: With dead ends: 7668 [2022-03-15 15:14:02,581 INFO L226 Difference]: Without dead ends: 7668 [2022-03-15 15:14:02,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2156 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=990, Invalid=6842, Unknown=0, NotChecked=0, Total=7832 [2022-03-15 15:14:02,581 INFO L933 BasicCegarLoop]: 515 mSDtfsCounter, 2212 mSDsluCounter, 6008 mSDsCounter, 0 mSdLazyCounter, 4768 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2212 SdHoareTripleChecker+Valid, 6517 SdHoareTripleChecker+Invalid, 5046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 4768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:02,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2212 Valid, 6517 Invalid, 5046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 4768 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:14:02,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7668 states. [2022-03-15 15:14:02,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7668 to 2974. [2022-03-15 15:14:02,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2974 states, 2962 states have (on average 1.9237002025658338) internal successors, (5698), 2973 states have internal predecessors, (5698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:02,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2974 states and 5698 transitions. [2022-03-15 15:14:02,622 INFO L78 Accepts]: Start accepts. Automaton has 2974 states and 5698 transitions. Word has length 172 [2022-03-15 15:14:02,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:02,622 INFO L470 AbstractCegarLoop]: Abstraction has 2974 states and 5698 transitions. [2022-03-15 15:14:02,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:02,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2974 states and 5698 transitions. [2022-03-15 15:14:02,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:02,623 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:02,623 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:02,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-03-15 15:14:02,623 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:02,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:02,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1740141481, now seen corresponding path program 57 times [2022-03-15 15:14:02,623 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:02,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639624398] [2022-03-15 15:14:02,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:02,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:02,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:02,995 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:02,995 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639624398] [2022-03-15 15:14:02,995 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639624398] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:02,996 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:02,996 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:14:02,996 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207574116] [2022-03-15 15:14:02,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:02,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:14:02,996 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:02,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:14:02,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:14:02,996 INFO L87 Difference]: Start difference. First operand 2974 states and 5698 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:06,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:06,237 INFO L93 Difference]: Finished difference Result 7807 states and 14964 transitions. [2022-03-15 15:14:06,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-15 15:14:06,237 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:06,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:06,245 INFO L225 Difference]: With dead ends: 7807 [2022-03-15 15:14:06,245 INFO L226 Difference]: Without dead ends: 7807 [2022-03-15 15:14:06,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2290 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1023, Invalid=7167, Unknown=0, NotChecked=0, Total=8190 [2022-03-15 15:14:06,246 INFO L933 BasicCegarLoop]: 532 mSDtfsCounter, 2153 mSDsluCounter, 6608 mSDsCounter, 0 mSdLazyCounter, 5513 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2153 SdHoareTripleChecker+Valid, 7134 SdHoareTripleChecker+Invalid, 5815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 5513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:06,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2153 Valid, 7134 Invalid, 5815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [302 Valid, 5513 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-15 15:14:06,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7807 states. [2022-03-15 15:14:06,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7807 to 2964. [2022-03-15 15:14:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2964 states, 2952 states have (on average 1.9234417344173442) internal successors, (5678), 2963 states have internal predecessors, (5678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:06,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 5678 transitions. [2022-03-15 15:14:06,286 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 5678 transitions. Word has length 172 [2022-03-15 15:14:06,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:06,286 INFO L470 AbstractCegarLoop]: Abstraction has 2964 states and 5678 transitions. [2022-03-15 15:14:06,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:06,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 5678 transitions. [2022-03-15 15:14:06,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:06,287 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:06,287 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:06,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-03-15 15:14:06,287 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:06,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:06,287 INFO L85 PathProgramCache]: Analyzing trace with hash -492173401, now seen corresponding path program 58 times [2022-03-15 15:14:06,287 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:06,288 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963709919] [2022-03-15 15:14:06,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:06,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:06,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:06,672 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:06,672 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963709919] [2022-03-15 15:14:06,672 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963709919] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:06,672 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:06,672 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:14:06,672 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31249224] [2022-03-15 15:14:06,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:06,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:14:06,672 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:06,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:14:06,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:14:06,673 INFO L87 Difference]: Start difference. First operand 2964 states and 5678 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:10,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:10,341 INFO L93 Difference]: Finished difference Result 6208 states and 11905 transitions. [2022-03-15 15:14:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-15 15:14:10,342 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:10,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:10,348 INFO L225 Difference]: With dead ends: 6208 [2022-03-15 15:14:10,348 INFO L226 Difference]: Without dead ends: 6208 [2022-03-15 15:14:10,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2104 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1044, Invalid=6788, Unknown=0, NotChecked=0, Total=7832 [2022-03-15 15:14:10,349 INFO L933 BasicCegarLoop]: 469 mSDtfsCounter, 1763 mSDsluCounter, 7353 mSDsCounter, 0 mSdLazyCounter, 6597 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 7815 SdHoareTripleChecker+Invalid, 6880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 6597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:10,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1763 Valid, 7815 Invalid, 6880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 6597 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-03-15 15:14:10,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6208 states. [2022-03-15 15:14:10,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6208 to 2958. [2022-03-15 15:14:10,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2958 states, 2946 states have (on average 1.923285811269518) internal successors, (5666), 2957 states have internal predecessors, (5666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:10,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2958 states to 2958 states and 5666 transitions. [2022-03-15 15:14:10,380 INFO L78 Accepts]: Start accepts. Automaton has 2958 states and 5666 transitions. Word has length 172 [2022-03-15 15:14:10,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:10,380 INFO L470 AbstractCegarLoop]: Abstraction has 2958 states and 5666 transitions. [2022-03-15 15:14:10,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:10,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2958 states and 5666 transitions. [2022-03-15 15:14:10,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:10,381 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:10,382 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:10,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-03-15 15:14:10,382 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:10,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:10,382 INFO L85 PathProgramCache]: Analyzing trace with hash 321817159, now seen corresponding path program 59 times [2022-03-15 15:14:10,382 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:10,382 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811905743] [2022-03-15 15:14:10,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:10,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:10,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:10,732 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:10,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811905743] [2022-03-15 15:14:10,732 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811905743] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:10,732 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:10,732 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:14:10,732 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087638717] [2022-03-15 15:14:10,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:10,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:14:10,733 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:10,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:14:10,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:14:10,733 INFO L87 Difference]: Start difference. First operand 2958 states and 5666 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:13,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:13,769 INFO L93 Difference]: Finished difference Result 6359 states and 12203 transitions. [2022-03-15 15:14:13,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-15 15:14:13,769 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:13,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:13,775 INFO L225 Difference]: With dead ends: 6359 [2022-03-15 15:14:13,775 INFO L226 Difference]: Without dead ends: 6359 [2022-03-15 15:14:13,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2038 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1077, Invalid=6579, Unknown=0, NotChecked=0, Total=7656 [2022-03-15 15:14:13,775 INFO L933 BasicCegarLoop]: 485 mSDtfsCounter, 1825 mSDsluCounter, 5674 mSDsCounter, 0 mSdLazyCounter, 4863 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 6155 SdHoareTripleChecker+Invalid, 5159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 4863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:13,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1825 Valid, 6155 Invalid, 5159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 4863 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:14:13,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6359 states. [2022-03-15 15:14:13,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6359 to 2954. [2022-03-15 15:14:13,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2954 states, 2942 states have (on average 1.9231815091774302) internal successors, (5658), 2953 states have internal predecessors, (5658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:13,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2954 states to 2954 states and 5658 transitions. [2022-03-15 15:14:13,805 INFO L78 Accepts]: Start accepts. Automaton has 2954 states and 5658 transitions. Word has length 172 [2022-03-15 15:14:13,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:13,806 INFO L470 AbstractCegarLoop]: Abstraction has 2954 states and 5658 transitions. [2022-03-15 15:14:13,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:13,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2954 states and 5658 transitions. [2022-03-15 15:14:13,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:13,807 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:13,807 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:13,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-03-15 15:14:13,807 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:13,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:13,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1399888727, now seen corresponding path program 60 times [2022-03-15 15:14:13,807 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:13,807 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496526431] [2022-03-15 15:14:13,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:13,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:14,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:14,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:14,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496526431] [2022-03-15 15:14:14,194 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496526431] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:14,194 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:14,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:14:14,195 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862525158] [2022-03-15 15:14:14,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:14,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:14:14,195 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:14,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:14:14,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:14:14,195 INFO L87 Difference]: Start difference. First operand 2954 states and 5658 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:17,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:17,494 INFO L93 Difference]: Finished difference Result 6166 states and 11821 transitions. [2022-03-15 15:14:17,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-03-15 15:14:17,494 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:17,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:17,501 INFO L225 Difference]: With dead ends: 6166 [2022-03-15 15:14:17,501 INFO L226 Difference]: Without dead ends: 6166 [2022-03-15 15:14:17,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2309 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1085, Invalid=7287, Unknown=0, NotChecked=0, Total=8372 [2022-03-15 15:14:17,502 INFO L933 BasicCegarLoop]: 488 mSDtfsCounter, 1732 mSDsluCounter, 6241 mSDsCounter, 0 mSdLazyCounter, 5724 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 6722 SdHoareTripleChecker+Invalid, 6006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 5724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:17,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1732 Valid, 6722 Invalid, 6006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 5724 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-15 15:14:17,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6166 states. [2022-03-15 15:14:17,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6166 to 2895. [2022-03-15 15:14:17,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2895 states, 2883 states have (on average 1.9216094346167187) internal successors, (5540), 2894 states have internal predecessors, (5540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:17,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 5540 transitions. [2022-03-15 15:14:17,533 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 5540 transitions. Word has length 172 [2022-03-15 15:14:17,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:17,533 INFO L470 AbstractCegarLoop]: Abstraction has 2895 states and 5540 transitions. [2022-03-15 15:14:17,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 5540 transitions. [2022-03-15 15:14:17,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:17,534 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:17,535 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:17,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-03-15 15:14:17,535 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:17,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:17,535 INFO L85 PathProgramCache]: Analyzing trace with hash 91974969, now seen corresponding path program 61 times [2022-03-15 15:14:17,535 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:17,535 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018895696] [2022-03-15 15:14:17,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:17,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:17,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:17,969 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:17,969 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018895696] [2022-03-15 15:14:17,969 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018895696] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:17,969 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:17,969 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:14:17,969 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436892188] [2022-03-15 15:14:17,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:17,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:14:17,969 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:17,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:14:17,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:14:17,970 INFO L87 Difference]: Start difference. First operand 2895 states and 5540 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:19,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:19,753 INFO L93 Difference]: Finished difference Result 3830 states and 7304 transitions. [2022-03-15 15:14:19,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 15:14:19,753 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:19,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:19,757 INFO L225 Difference]: With dead ends: 3830 [2022-03-15 15:14:19,757 INFO L226 Difference]: Without dead ends: 3830 [2022-03-15 15:14:19,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=612, Invalid=3944, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 15:14:19,758 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 1290 mSDsluCounter, 3405 mSDsCounter, 0 mSdLazyCounter, 2640 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 3656 SdHoareTripleChecker+Invalid, 2790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 2640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:19,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1290 Valid, 3656 Invalid, 2790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 2640 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:14:19,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3830 states. [2022-03-15 15:14:19,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3830 to 2894. [2022-03-15 15:14:19,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2894 states, 2882 states have (on average 1.9215822345593339) internal successors, (5538), 2893 states have internal predecessors, (5538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2894 states and 5538 transitions. [2022-03-15 15:14:19,785 INFO L78 Accepts]: Start accepts. Automaton has 2894 states and 5538 transitions. Word has length 172 [2022-03-15 15:14:19,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:19,785 INFO L470 AbstractCegarLoop]: Abstraction has 2894 states and 5538 transitions. [2022-03-15 15:14:19,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:19,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2894 states and 5538 transitions. [2022-03-15 15:14:19,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:19,786 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:19,786 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:19,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-03-15 15:14:19,786 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:19,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:19,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1423117003, now seen corresponding path program 62 times [2022-03-15 15:14:19,787 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:19,787 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866632626] [2022-03-15 15:14:19,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:19,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:20,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:20,227 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:20,227 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866632626] [2022-03-15 15:14:20,227 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866632626] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:20,227 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:20,227 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:14:20,227 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767893474] [2022-03-15 15:14:20,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:20,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:14:20,228 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:20,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:14:20,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:14:20,228 INFO L87 Difference]: Start difference. First operand 2894 states and 5538 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:21,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:21,978 INFO L93 Difference]: Finished difference Result 3939 states and 7516 transitions. [2022-03-15 15:14:21,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 15:14:21,978 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:21,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:21,983 INFO L225 Difference]: With dead ends: 3939 [2022-03-15 15:14:21,983 INFO L226 Difference]: Without dead ends: 3939 [2022-03-15 15:14:21,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1180 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=665, Invalid=4305, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 15:14:21,984 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 1503 mSDsluCounter, 2993 mSDsCounter, 0 mSdLazyCounter, 2303 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 3250 SdHoareTripleChecker+Invalid, 2509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 2303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:21,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1503 Valid, 3250 Invalid, 2509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 2303 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:14:21,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3939 states. [2022-03-15 15:14:22,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3939 to 2897. [2022-03-15 15:14:22,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2897 states, 2885 states have (on average 1.9216637781629116) internal successors, (5544), 2896 states have internal predecessors, (5544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:22,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 5544 transitions. [2022-03-15 15:14:22,013 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 5544 transitions. Word has length 172 [2022-03-15 15:14:22,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:22,013 INFO L470 AbstractCegarLoop]: Abstraction has 2897 states and 5544 transitions. [2022-03-15 15:14:22,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:22,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 5544 transitions. [2022-03-15 15:14:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:22,015 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:22,015 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:22,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-03-15 15:14:22,015 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:22,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:22,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1612488221, now seen corresponding path program 63 times [2022-03-15 15:14:22,015 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:22,015 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485026219] [2022-03-15 15:14:22,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:22,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:22,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:22,418 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:22,418 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485026219] [2022-03-15 15:14:22,418 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485026219] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:22,418 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:22,418 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:14:22,418 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843222249] [2022-03-15 15:14:22,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:22,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:14:22,419 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:22,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:14:22,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:14:22,419 INFO L87 Difference]: Start difference. First operand 2897 states and 5544 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:24,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:24,460 INFO L93 Difference]: Finished difference Result 4023 states and 7680 transitions. [2022-03-15 15:14:24,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 15:14:24,460 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:24,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:24,465 INFO L225 Difference]: With dead ends: 4023 [2022-03-15 15:14:24,465 INFO L226 Difference]: Without dead ends: 4023 [2022-03-15 15:14:24,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1167 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=731, Invalid=4239, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 15:14:24,466 INFO L933 BasicCegarLoop]: 296 mSDtfsCounter, 1305 mSDsluCounter, 4094 mSDsCounter, 0 mSdLazyCounter, 2908 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 3083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 2908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:24,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1305 Valid, 4385 Invalid, 3083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 2908 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:14:24,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4023 states. [2022-03-15 15:14:24,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4023 to 2911. [2022-03-15 15:14:24,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2911 states, 2899 states have (on average 1.9223870300103485) internal successors, (5573), 2910 states have internal predecessors, (5573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2911 states and 5573 transitions. [2022-03-15 15:14:24,513 INFO L78 Accepts]: Start accepts. Automaton has 2911 states and 5573 transitions. Word has length 172 [2022-03-15 15:14:24,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:24,513 INFO L470 AbstractCegarLoop]: Abstraction has 2911 states and 5573 transitions. [2022-03-15 15:14:24,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2911 states and 5573 transitions. [2022-03-15 15:14:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:24,514 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:24,514 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:24,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-03-15 15:14:24,514 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:24,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:24,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1597091075, now seen corresponding path program 64 times [2022-03-15 15:14:24,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:24,515 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778639882] [2022-03-15 15:14:24,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:24,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:24,960 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:24,961 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778639882] [2022-03-15 15:14:24,961 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778639882] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:24,961 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:24,961 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:14:24,961 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39100661] [2022-03-15 15:14:24,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:24,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:14:24,961 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:24,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:14:24,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:14:24,961 INFO L87 Difference]: Start difference. First operand 2911 states and 5573 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:26,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:26,868 INFO L93 Difference]: Finished difference Result 3918 states and 7475 transitions. [2022-03-15 15:14:26,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 15:14:26,868 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:26,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:26,871 INFO L225 Difference]: With dead ends: 3918 [2022-03-15 15:14:26,872 INFO L226 Difference]: Without dead ends: 3918 [2022-03-15 15:14:26,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=705, Invalid=4551, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 15:14:26,872 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 1277 mSDsluCounter, 3715 mSDsCounter, 0 mSdLazyCounter, 2720 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 3970 SdHoareTripleChecker+Invalid, 2936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 2720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:26,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1277 Valid, 3970 Invalid, 2936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 2720 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:14:26,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3918 states. [2022-03-15 15:14:26,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3918 to 2917. [2022-03-15 15:14:26,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2905 states have (on average 1.9225473321858864) internal successors, (5585), 2916 states have internal predecessors, (5585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:26,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 5585 transitions. [2022-03-15 15:14:26,895 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 5585 transitions. Word has length 172 [2022-03-15 15:14:26,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:26,895 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 5585 transitions. [2022-03-15 15:14:26,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:26,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 5585 transitions. [2022-03-15 15:14:26,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:26,896 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:26,896 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:26,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-03-15 15:14:26,896 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:26,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:26,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1407719857, now seen corresponding path program 65 times [2022-03-15 15:14:26,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:26,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946364502] [2022-03-15 15:14:26,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:26,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:27,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:27,274 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:27,274 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946364502] [2022-03-15 15:14:27,274 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946364502] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:27,274 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:27,275 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:14:27,275 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080972951] [2022-03-15 15:14:27,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:27,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:14:27,275 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:27,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:14:27,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:14:27,275 INFO L87 Difference]: Start difference. First operand 2917 states and 5585 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:29,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:29,382 INFO L93 Difference]: Finished difference Result 4148 states and 7924 transitions. [2022-03-15 15:14:29,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 15:14:29,382 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:29,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:29,386 INFO L225 Difference]: With dead ends: 4148 [2022-03-15 15:14:29,386 INFO L226 Difference]: Without dead ends: 4148 [2022-03-15 15:14:29,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1354 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=818, Invalid=4732, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 15:14:29,387 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1429 mSDsluCounter, 3694 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1429 SdHoareTripleChecker+Valid, 3991 SdHoareTripleChecker+Invalid, 3025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 2807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:29,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1429 Valid, 3991 Invalid, 3025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 2807 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:14:29,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4148 states. [2022-03-15 15:14:29,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4148 to 2914. [2022-03-15 15:14:29,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 2902 states have (on average 1.9224672639558924) internal successors, (5579), 2913 states have internal predecessors, (5579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:29,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 5579 transitions. [2022-03-15 15:14:29,412 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 5579 transitions. Word has length 172 [2022-03-15 15:14:29,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:29,413 INFO L470 AbstractCegarLoop]: Abstraction has 2914 states and 5579 transitions. [2022-03-15 15:14:29,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:29,413 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 5579 transitions. [2022-03-15 15:14:29,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:29,414 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:29,414 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:29,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-03-15 15:14:29,414 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:29,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:29,414 INFO L85 PathProgramCache]: Analyzing trace with hash -2080773063, now seen corresponding path program 66 times [2022-03-15 15:14:29,414 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:29,414 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160117701] [2022-03-15 15:14:29,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:29,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:29,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:29,799 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:29,799 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160117701] [2022-03-15 15:14:29,799 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160117701] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:29,799 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:29,799 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:14:29,799 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348303441] [2022-03-15 15:14:29,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:29,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:14:29,799 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:29,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:14:29,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:14:29,800 INFO L87 Difference]: Start difference. First operand 2914 states and 5579 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:31,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:31,979 INFO L93 Difference]: Finished difference Result 4136 states and 7906 transitions. [2022-03-15 15:14:31,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 15:14:31,979 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:31,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:31,984 INFO L225 Difference]: With dead ends: 4136 [2022-03-15 15:14:31,984 INFO L226 Difference]: Without dead ends: 4136 [2022-03-15 15:14:31,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1784 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=943, Invalid=5863, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:14:31,985 INFO L933 BasicCegarLoop]: 309 mSDtfsCounter, 1321 mSDsluCounter, 3662 mSDsCounter, 0 mSdLazyCounter, 2902 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 3965 SdHoareTripleChecker+Invalid, 3115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 2902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:31,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1321 Valid, 3965 Invalid, 3115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 2902 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:14:31,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4136 states. [2022-03-15 15:14:32,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4136 to 2928. [2022-03-15 15:14:32,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2928 states, 2916 states have (on average 1.9231824417009602) internal successors, (5608), 2927 states have internal predecessors, (5608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:32,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 5608 transitions. [2022-03-15 15:14:32,012 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 5608 transitions. Word has length 172 [2022-03-15 15:14:32,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:32,012 INFO L470 AbstractCegarLoop]: Abstraction has 2928 states and 5608 transitions. [2022-03-15 15:14:32,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:32,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 5608 transitions. [2022-03-15 15:14:32,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:32,013 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:32,013 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:32,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-03-15 15:14:32,013 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:32,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:32,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1853989623, now seen corresponding path program 67 times [2022-03-15 15:14:32,014 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:32,014 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436587949] [2022-03-15 15:14:32,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:32,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:32,385 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:32,385 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436587949] [2022-03-15 15:14:32,385 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436587949] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:32,385 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:32,385 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:14:32,385 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570057021] [2022-03-15 15:14:32,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:32,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:14:32,386 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:32,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:14:32,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:14:32,386 INFO L87 Difference]: Start difference. First operand 2928 states and 5608 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:34,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:34,208 INFO L93 Difference]: Finished difference Result 3944 states and 7528 transitions. [2022-03-15 15:14:34,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 15:14:34,209 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:34,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:34,214 INFO L225 Difference]: With dead ends: 3944 [2022-03-15 15:14:34,214 INFO L226 Difference]: Without dead ends: 3944 [2022-03-15 15:14:34,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=715, Invalid=4115, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:14:34,214 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 1235 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 2474 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 3834 SdHoareTripleChecker+Invalid, 2675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 2474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:34,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1235 Valid, 3834 Invalid, 2675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 2474 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:14:34,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3944 states. [2022-03-15 15:14:34,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3944 to 2937. [2022-03-15 15:14:34,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9234188034188033) internal successors, (5626), 2936 states have internal predecessors, (5626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:34,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5626 transitions. [2022-03-15 15:14:34,241 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5626 transitions. Word has length 172 [2022-03-15 15:14:34,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:34,242 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5626 transitions. [2022-03-15 15:14:34,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5626 transitions. [2022-03-15 15:14:34,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:34,243 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:34,243 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:34,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-03-15 15:14:34,243 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:34,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:34,243 INFO L85 PathProgramCache]: Analyzing trace with hash -2043360841, now seen corresponding path program 68 times [2022-03-15 15:14:34,243 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:34,243 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228648520] [2022-03-15 15:14:34,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:34,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:34,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:34,630 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:34,630 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228648520] [2022-03-15 15:14:34,630 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228648520] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:34,630 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:34,630 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:14:34,630 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075315515] [2022-03-15 15:14:34,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:34,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:14:34,630 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:34,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:14:34,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:14:34,631 INFO L87 Difference]: Start difference. First operand 2937 states and 5626 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:36,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:36,637 INFO L93 Difference]: Finished difference Result 4118 states and 7866 transitions. [2022-03-15 15:14:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 15:14:36,637 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:36,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:36,642 INFO L225 Difference]: With dead ends: 4118 [2022-03-15 15:14:36,642 INFO L226 Difference]: Without dead ends: 4118 [2022-03-15 15:14:36,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1285 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=804, Invalid=4598, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 15:14:36,642 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1486 mSDsluCounter, 3800 mSDsCounter, 0 mSdLazyCounter, 2726 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 4089 SdHoareTripleChecker+Invalid, 3014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 2726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:36,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1486 Valid, 4089 Invalid, 3014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 2726 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:14:36,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4118 states. [2022-03-15 15:14:36,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4118 to 2934. [2022-03-15 15:14:36,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2934 states, 2922 states have (on average 1.9233401779603012) internal successors, (5620), 2933 states have internal predecessors, (5620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2934 states and 5620 transitions. [2022-03-15 15:14:36,673 INFO L78 Accepts]: Start accepts. Automaton has 2934 states and 5620 transitions. Word has length 172 [2022-03-15 15:14:36,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:36,673 INFO L470 AbstractCegarLoop]: Abstraction has 2934 states and 5620 transitions. [2022-03-15 15:14:36,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:36,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 5620 transitions. [2022-03-15 15:14:36,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:36,674 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:36,674 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:36,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-03-15 15:14:36,675 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:36,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:36,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1236886465, now seen corresponding path program 69 times [2022-03-15 15:14:36,675 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:36,675 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613188184] [2022-03-15 15:14:36,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:36,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:37,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:37,024 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:37,024 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613188184] [2022-03-15 15:14:37,024 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613188184] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:37,024 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:37,024 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:14:37,025 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240300724] [2022-03-15 15:14:37,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:37,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:14:37,025 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:37,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:14:37,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:14:37,025 INFO L87 Difference]: Start difference. First operand 2934 states and 5620 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:39,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:39,422 INFO L93 Difference]: Finished difference Result 4267 states and 8162 transitions. [2022-03-15 15:14:39,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 15:14:39,422 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:39,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:39,427 INFO L225 Difference]: With dead ends: 4267 [2022-03-15 15:14:39,427 INFO L226 Difference]: Without dead ends: 4267 [2022-03-15 15:14:39,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1763 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1032, Invalid=5774, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:14:39,428 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 1564 mSDsluCounter, 4210 mSDsCounter, 0 mSdLazyCounter, 3248 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 4533 SdHoareTripleChecker+Invalid, 3515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 3248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:39,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1564 Valid, 4533 Invalid, 3515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 3248 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:14:39,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4267 states. [2022-03-15 15:14:39,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4267 to 2931. [2022-03-15 15:14:39,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2931 states, 2919 states have (on average 1.9232613908872902) internal successors, (5614), 2930 states have internal predecessors, (5614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:39,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2931 states and 5614 transitions. [2022-03-15 15:14:39,455 INFO L78 Accepts]: Start accepts. Automaton has 2931 states and 5614 transitions. Word has length 172 [2022-03-15 15:14:39,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:39,455 INFO L470 AbstractCegarLoop]: Abstraction has 2931 states and 5614 transitions. [2022-03-15 15:14:39,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:39,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 5614 transitions. [2022-03-15 15:14:39,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:39,456 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:39,456 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:39,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-03-15 15:14:39,457 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:39,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:39,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1479174659, now seen corresponding path program 70 times [2022-03-15 15:14:39,457 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:39,457 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721461699] [2022-03-15 15:14:39,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:39,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:39,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:39,812 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:39,812 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721461699] [2022-03-15 15:14:39,812 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721461699] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:39,812 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:39,812 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:14:39,812 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740828020] [2022-03-15 15:14:39,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:39,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:14:39,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:39,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:14:39,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:14:39,813 INFO L87 Difference]: Start difference. First operand 2931 states and 5614 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:42,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:42,068 INFO L93 Difference]: Finished difference Result 4240 states and 8110 transitions. [2022-03-15 15:14:42,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-15 15:14:42,069 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:42,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:42,074 INFO L225 Difference]: With dead ends: 4240 [2022-03-15 15:14:42,074 INFO L226 Difference]: Without dead ends: 4240 [2022-03-15 15:14:42,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1815 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1020, Invalid=5952, Unknown=0, NotChecked=0, Total=6972 [2022-03-15 15:14:42,076 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 1672 mSDsluCounter, 3718 mSDsCounter, 0 mSdLazyCounter, 2914 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1672 SdHoareTripleChecker+Valid, 4041 SdHoareTripleChecker+Invalid, 3212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 2914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:42,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1672 Valid, 4041 Invalid, 3212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 2914 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:14:42,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4240 states. [2022-03-15 15:14:42,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4240 to 2933. [2022-03-15 15:14:42,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2933 states, 2921 states have (on average 1.923313933584389) internal successors, (5618), 2932 states have internal predecessors, (5618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:42,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2933 states and 5618 transitions. [2022-03-15 15:14:42,113 INFO L78 Accepts]: Start accepts. Automaton has 2933 states and 5618 transitions. Word has length 172 [2022-03-15 15:14:42,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:42,113 INFO L470 AbstractCegarLoop]: Abstraction has 2933 states and 5618 transitions. [2022-03-15 15:14:42,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:42,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2933 states and 5618 transitions. [2022-03-15 15:14:42,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:42,114 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:42,115 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:42,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-03-15 15:14:42,115 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:42,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:42,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1094086751, now seen corresponding path program 71 times [2022-03-15 15:14:42,115 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:42,115 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481814719] [2022-03-15 15:14:42,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:42,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:42,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:42,532 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:42,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481814719] [2022-03-15 15:14:42,532 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481814719] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:42,532 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:42,532 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:14:42,532 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184257856] [2022-03-15 15:14:42,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:42,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:14:42,535 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:42,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:14:42,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:14:42,535 INFO L87 Difference]: Start difference. First operand 2933 states and 5618 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:45,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:45,280 INFO L93 Difference]: Finished difference Result 4227 states and 8088 transitions. [2022-03-15 15:14:45,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-15 15:14:45,280 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:45,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:45,284 INFO L225 Difference]: With dead ends: 4227 [2022-03-15 15:14:45,284 INFO L226 Difference]: Without dead ends: 4227 [2022-03-15 15:14:45,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2072 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1030, Invalid=6626, Unknown=0, NotChecked=0, Total=7656 [2022-03-15 15:14:45,285 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 1522 mSDsluCounter, 4818 mSDsCounter, 0 mSdLazyCounter, 4211 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 5140 SdHoareTripleChecker+Invalid, 4482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 4211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:45,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1522 Valid, 5140 Invalid, 4482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 4211 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:14:45,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states. [2022-03-15 15:14:45,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 2945. [2022-03-15 15:14:45,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2945 states, 2933 states have (on average 1.9239686327991816) internal successors, (5643), 2944 states have internal predecessors, (5643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:45,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 2945 states and 5643 transitions. [2022-03-15 15:14:45,310 INFO L78 Accepts]: Start accepts. Automaton has 2945 states and 5643 transitions. Word has length 172 [2022-03-15 15:14:45,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:45,311 INFO L470 AbstractCegarLoop]: Abstraction has 2945 states and 5643 transitions. [2022-03-15 15:14:45,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:45,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2945 states and 5643 transitions. [2022-03-15 15:14:45,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:45,312 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:45,312 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:45,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-03-15 15:14:45,312 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:45,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:45,312 INFO L85 PathProgramCache]: Analyzing trace with hash -2015728373, now seen corresponding path program 72 times [2022-03-15 15:14:45,312 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:45,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679760733] [2022-03-15 15:14:45,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:45,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:45,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:45,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679760733] [2022-03-15 15:14:45,684 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679760733] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:45,684 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:45,684 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:14:45,684 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577293948] [2022-03-15 15:14:45,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:45,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:14:45,684 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:45,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:14:45,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:14:45,685 INFO L87 Difference]: Start difference. First operand 2945 states and 5643 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:48,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:48,149 INFO L93 Difference]: Finished difference Result 5765 states and 11024 transitions. [2022-03-15 15:14:48,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:14:48,149 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:48,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:48,156 INFO L225 Difference]: With dead ends: 5765 [2022-03-15 15:14:48,156 INFO L226 Difference]: Without dead ends: 5765 [2022-03-15 15:14:48,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1436 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=883, Invalid=4969, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 15:14:48,157 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 1751 mSDsluCounter, 4322 mSDsCounter, 0 mSdLazyCounter, 3703 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 4660 SdHoareTripleChecker+Invalid, 3982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 3703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:48,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1751 Valid, 4660 Invalid, 3982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 3703 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:14:48,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5765 states. [2022-03-15 15:14:48,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5765 to 2966. [2022-03-15 15:14:48,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2966 states, 2954 states have (on average 1.9245091401489505) internal successors, (5685), 2965 states have internal predecessors, (5685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2966 states to 2966 states and 5685 transitions. [2022-03-15 15:14:48,190 INFO L78 Accepts]: Start accepts. Automaton has 2966 states and 5685 transitions. Word has length 172 [2022-03-15 15:14:48,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:48,190 INFO L470 AbstractCegarLoop]: Abstraction has 2966 states and 5685 transitions. [2022-03-15 15:14:48,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2966 states and 5685 transitions. [2022-03-15 15:14:48,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:48,191 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:48,192 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:48,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-03-15 15:14:48,192 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:48,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:48,192 INFO L85 PathProgramCache]: Analyzing trace with hash 2089867705, now seen corresponding path program 73 times [2022-03-15 15:14:48,192 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:48,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117504226] [2022-03-15 15:14:48,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:48,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:48,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:48,552 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:48,552 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117504226] [2022-03-15 15:14:48,552 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117504226] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:48,552 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:48,552 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:14:48,552 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903812566] [2022-03-15 15:14:48,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:48,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:14:48,553 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:48,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:14:48,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:14:48,553 INFO L87 Difference]: Start difference. First operand 2966 states and 5685 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:51,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:51,186 INFO L93 Difference]: Finished difference Result 5939 states and 11362 transitions. [2022-03-15 15:14:51,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 15:14:51,186 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:51,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:51,193 INFO L225 Difference]: With dead ends: 5939 [2022-03-15 15:14:51,193 INFO L226 Difference]: Without dead ends: 5939 [2022-03-15 15:14:51,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1634 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=980, Invalid=5500, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 15:14:51,194 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 1828 mSDsluCounter, 4288 mSDsCounter, 0 mSdLazyCounter, 3812 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1828 SdHoareTripleChecker+Valid, 4623 SdHoareTripleChecker+Invalid, 4108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 3812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:51,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1828 Valid, 4623 Invalid, 4108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 3812 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:14:51,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5939 states. [2022-03-15 15:14:51,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5939 to 2963. [2022-03-15 15:14:51,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2963 states, 2951 states have (on average 1.9244323957980345) internal successors, (5679), 2962 states have internal predecessors, (5679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:51,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2963 states and 5679 transitions. [2022-03-15 15:14:51,231 INFO L78 Accepts]: Start accepts. Automaton has 2963 states and 5679 transitions. Word has length 172 [2022-03-15 15:14:51,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:51,232 INFO L470 AbstractCegarLoop]: Abstraction has 2963 states and 5679 transitions. [2022-03-15 15:14:51,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:51,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2963 states and 5679 transitions. [2022-03-15 15:14:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:51,233 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:51,233 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:51,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-03-15 15:14:51,233 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:51,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:51,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1398625215, now seen corresponding path program 74 times [2022-03-15 15:14:51,233 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:51,234 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139616739] [2022-03-15 15:14:51,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:51,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:51,627 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:51,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139616739] [2022-03-15 15:14:51,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139616739] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:51,627 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:51,627 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:14:51,627 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849981238] [2022-03-15 15:14:51,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:51,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:14:51,628 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:51,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:14:51,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:14:51,628 INFO L87 Difference]: Start difference. First operand 2963 states and 5679 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:54,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:54,750 INFO L93 Difference]: Finished difference Result 6033 states and 11550 transitions. [2022-03-15 15:14:54,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-15 15:14:54,751 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:54,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:54,756 INFO L225 Difference]: With dead ends: 6033 [2022-03-15 15:14:54,757 INFO L226 Difference]: Without dead ends: 6033 [2022-03-15 15:14:54,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2103 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1096, Invalid=6736, Unknown=0, NotChecked=0, Total=7832 [2022-03-15 15:14:54,757 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 1715 mSDsluCounter, 4834 mSDsCounter, 0 mSdLazyCounter, 4819 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1715 SdHoareTripleChecker+Valid, 5152 SdHoareTripleChecker+Invalid, 5073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 4819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:54,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1715 Valid, 5152 Invalid, 5073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 4819 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:14:54,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6033 states. [2022-03-15 15:14:54,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6033 to 2960. [2022-03-15 15:14:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2960 states, 2948 states have (on average 1.9243554952510176) internal successors, (5673), 2959 states have internal predecessors, (5673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:54,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 5673 transitions. [2022-03-15 15:14:54,793 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 5673 transitions. Word has length 172 [2022-03-15 15:14:54,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:54,793 INFO L470 AbstractCegarLoop]: Abstraction has 2960 states and 5673 transitions. [2022-03-15 15:14:54,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:54,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 5673 transitions. [2022-03-15 15:14:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:54,794 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:54,794 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:54,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-03-15 15:14:54,794 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:54,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:54,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1640913409, now seen corresponding path program 75 times [2022-03-15 15:14:54,795 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:54,795 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756706040] [2022-03-15 15:14:54,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:54,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:55,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:55,155 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:55,155 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756706040] [2022-03-15 15:14:55,155 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756706040] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:55,156 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:55,156 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:14:55,156 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562080465] [2022-03-15 15:14:55,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:55,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:14:55,156 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:55,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:14:55,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:14:55,156 INFO L87 Difference]: Start difference. First operand 2960 states and 5673 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:58,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:58,043 INFO L93 Difference]: Finished difference Result 6134 states and 11748 transitions. [2022-03-15 15:14:58,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-15 15:14:58,043 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:14:58,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:58,050 INFO L225 Difference]: With dead ends: 6134 [2022-03-15 15:14:58,050 INFO L226 Difference]: Without dead ends: 6134 [2022-03-15 15:14:58,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2049 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1129, Invalid=6527, Unknown=0, NotChecked=0, Total=7656 [2022-03-15 15:14:58,050 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 1918 mSDsluCounter, 4634 mSDsCounter, 0 mSdLazyCounter, 4329 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1918 SdHoareTripleChecker+Valid, 4967 SdHoareTripleChecker+Invalid, 4631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 4329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:58,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1918 Valid, 4967 Invalid, 4631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [302 Valid, 4329 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:14:58,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6134 states. [2022-03-15 15:14:58,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6134 to 2962. [2022-03-15 15:14:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2962 states, 2950 states have (on average 1.924406779661017) internal successors, (5677), 2961 states have internal predecessors, (5677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:58,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2962 states and 5677 transitions. [2022-03-15 15:14:58,085 INFO L78 Accepts]: Start accepts. Automaton has 2962 states and 5677 transitions. Word has length 172 [2022-03-15 15:14:58,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:58,085 INFO L470 AbstractCegarLoop]: Abstraction has 2962 states and 5677 transitions. [2022-03-15 15:14:58,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:58,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2962 states and 5677 transitions. [2022-03-15 15:14:58,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:14:58,086 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:58,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:58,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-03-15 15:14:58,087 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:14:58,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:58,087 INFO L85 PathProgramCache]: Analyzing trace with hash 932348001, now seen corresponding path program 76 times [2022-03-15 15:14:58,087 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:58,087 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691259768] [2022-03-15 15:14:58,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:58,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:58,472 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:58,472 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691259768] [2022-03-15 15:14:58,472 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691259768] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:58,472 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:58,472 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:14:58,472 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358756404] [2022-03-15 15:14:58,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:58,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:14:58,473 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:58,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:14:58,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:14:58,473 INFO L87 Difference]: Start difference. First operand 2962 states and 5677 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:01,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:01,696 INFO L93 Difference]: Finished difference Result 6121 states and 11726 transitions. [2022-03-15 15:15:01,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-03-15 15:15:01,697 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:01,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:01,704 INFO L225 Difference]: With dead ends: 6121 [2022-03-15 15:15:01,704 INFO L226 Difference]: Without dead ends: 6121 [2022-03-15 15:15:01,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2312 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1137, Invalid=7235, Unknown=0, NotChecked=0, Total=8372 [2022-03-15 15:15:01,705 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 1807 mSDsluCounter, 5192 mSDsCounter, 0 mSdLazyCounter, 5298 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 5508 SdHoareTripleChecker+Invalid, 5579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 5298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:01,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1807 Valid, 5508 Invalid, 5579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 5298 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:15:01,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6121 states. [2022-03-15 15:15:01,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6121 to 2957. [2022-03-15 15:15:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2957 states, 2945 states have (on average 1.9242784380305602) internal successors, (5667), 2956 states have internal predecessors, (5667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 2957 states and 5667 transitions. [2022-03-15 15:15:01,754 INFO L78 Accepts]: Start accepts. Automaton has 2957 states and 5667 transitions. Word has length 172 [2022-03-15 15:15:01,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:01,754 INFO L470 AbstractCegarLoop]: Abstraction has 2957 states and 5667 transitions. [2022-03-15 15:15:01,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2957 states and 5667 transitions. [2022-03-15 15:15:01,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:01,756 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:01,756 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:01,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-03-15 15:15:01,756 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:01,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:01,756 INFO L85 PathProgramCache]: Analyzing trace with hash -626412642, now seen corresponding path program 16 times [2022-03-15 15:15:01,756 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:01,756 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733571001] [2022-03-15 15:15:01,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:01,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:02,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:02,107 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:02,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733571001] [2022-03-15 15:15:02,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733571001] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:02,107 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:02,107 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:15:02,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170545673] [2022-03-15 15:15:02,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:02,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:15:02,107 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:02,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:15:02,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:15:02,108 INFO L87 Difference]: Start difference. First operand 2957 states and 5667 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:03,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:03,983 INFO L93 Difference]: Finished difference Result 4413 states and 8481 transitions. [2022-03-15 15:15:03,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 15:15:03,985 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:03,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:04,005 INFO L225 Difference]: With dead ends: 4413 [2022-03-15 15:15:04,005 INFO L226 Difference]: Without dead ends: 4413 [2022-03-15 15:15:04,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1441 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=810, Invalid=4740, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 15:15:04,006 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 1648 mSDsluCounter, 3810 mSDsCounter, 0 mSdLazyCounter, 2844 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 4126 SdHoareTripleChecker+Invalid, 2963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 2844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:04,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1648 Valid, 4126 Invalid, 2963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 2844 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:15:04,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4413 states. [2022-03-15 15:15:04,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4413 to 2989. [2022-03-15 15:15:04,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2989 states, 2977 states have (on average 1.9240846489754786) internal successors, (5728), 2988 states have internal predecessors, (5728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:04,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2989 states and 5728 transitions. [2022-03-15 15:15:04,032 INFO L78 Accepts]: Start accepts. Automaton has 2989 states and 5728 transitions. Word has length 172 [2022-03-15 15:15:04,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:04,032 INFO L470 AbstractCegarLoop]: Abstraction has 2989 states and 5728 transitions. [2022-03-15 15:15:04,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:04,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 5728 transitions. [2022-03-15 15:15:04,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:04,034 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:04,034 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:04,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-03-15 15:15:04,034 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:04,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:04,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1737121983, now seen corresponding path program 77 times [2022-03-15 15:15:04,034 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:04,034 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641564655] [2022-03-15 15:15:04,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:04,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:04,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:04,403 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:04,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641564655] [2022-03-15 15:15:04,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641564655] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:04,403 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:04,403 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:15:04,403 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341873752] [2022-03-15 15:15:04,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:04,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:15:04,404 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:04,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:15:04,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:15:04,404 INFO L87 Difference]: Start difference. First operand 2989 states and 5728 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:07,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:07,564 INFO L93 Difference]: Finished difference Result 5099 states and 9773 transitions. [2022-03-15 15:15:07,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-15 15:15:07,564 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:07,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:07,570 INFO L225 Difference]: With dead ends: 5099 [2022-03-15 15:15:07,570 INFO L226 Difference]: Without dead ends: 5099 [2022-03-15 15:15:07,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1900 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=938, Invalid=6202, Unknown=0, NotChecked=0, Total=7140 [2022-03-15 15:15:07,571 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 1955 mSDsluCounter, 4828 mSDsCounter, 0 mSdLazyCounter, 4918 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 5150 SdHoareTripleChecker+Invalid, 5128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 4918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:07,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1955 Valid, 5150 Invalid, 5128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 4918 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:15:07,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5099 states. [2022-03-15 15:15:07,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5099 to 2941. [2022-03-15 15:15:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2941 states, 2929 states have (on average 1.9228405599180607) internal successors, (5632), 2940 states have internal predecessors, (5632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2941 states and 5632 transitions. [2022-03-15 15:15:07,611 INFO L78 Accepts]: Start accepts. Automaton has 2941 states and 5632 transitions. Word has length 172 [2022-03-15 15:15:07,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:07,611 INFO L470 AbstractCegarLoop]: Abstraction has 2941 states and 5632 transitions. [2022-03-15 15:15:07,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:07,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2941 states and 5632 transitions. [2022-03-15 15:15:07,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:07,612 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:07,612 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:07,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-03-15 15:15:07,613 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:07,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:07,613 INFO L85 PathProgramCache]: Analyzing trace with hash -550902335, now seen corresponding path program 78 times [2022-03-15 15:15:07,613 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:07,613 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067688647] [2022-03-15 15:15:07,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:07,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:08,015 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:08,015 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067688647] [2022-03-15 15:15:08,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067688647] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:08,015 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:08,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:15:08,015 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107465872] [2022-03-15 15:15:08,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:08,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:15:08,015 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:08,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:15:08,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:15:08,016 INFO L87 Difference]: Start difference. First operand 2941 states and 5632 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:11,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:11,541 INFO L93 Difference]: Finished difference Result 5750 states and 11000 transitions. [2022-03-15 15:15:11,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-15 15:15:11,541 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:11,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:11,547 INFO L225 Difference]: With dead ends: 5750 [2022-03-15 15:15:11,547 INFO L226 Difference]: Without dead ends: 5750 [2022-03-15 15:15:11,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2011 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=996, Invalid=6486, Unknown=0, NotChecked=0, Total=7482 [2022-03-15 15:15:11,548 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 1927 mSDsluCounter, 5970 mSDsCounter, 0 mSdLazyCounter, 6059 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 6349 SdHoareTripleChecker+Invalid, 6286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 6059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:11,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1927 Valid, 6349 Invalid, 6286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 6059 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-03-15 15:15:11,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5750 states. [2022-03-15 15:15:11,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5750 to 2937. [2022-03-15 15:15:11,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9227350427350427) internal successors, (5624), 2936 states have internal predecessors, (5624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5624 transitions. [2022-03-15 15:15:11,582 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5624 transitions. Word has length 172 [2022-03-15 15:15:11,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:11,582 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5624 transitions. [2022-03-15 15:15:11,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5624 transitions. [2022-03-15 15:15:11,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:11,583 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:11,583 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:11,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-03-15 15:15:11,584 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:11,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:11,584 INFO L85 PathProgramCache]: Analyzing trace with hash 385160357, now seen corresponding path program 79 times [2022-03-15 15:15:11,584 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:11,584 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671994737] [2022-03-15 15:15:11,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:11,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:11,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:11,962 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:11,962 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671994737] [2022-03-15 15:15:11,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671994737] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:11,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:11,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:15:11,962 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764113725] [2022-03-15 15:15:11,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:11,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:15:11,962 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:11,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:15:11,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:15:11,963 INFO L87 Difference]: Start difference. First operand 2937 states and 5624 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:14,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:14,857 INFO L93 Difference]: Finished difference Result 5714 states and 10928 transitions. [2022-03-15 15:15:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-03-15 15:15:14,857 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:14,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:14,863 INFO L225 Difference]: With dead ends: 5714 [2022-03-15 15:15:14,863 INFO L226 Difference]: Without dead ends: 5714 [2022-03-15 15:15:14,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2142 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1027, Invalid=6805, Unknown=0, NotChecked=0, Total=7832 [2022-03-15 15:15:14,863 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 1919 mSDsluCounter, 4750 mSDsCounter, 0 mSdLazyCounter, 4686 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1919 SdHoareTripleChecker+Valid, 5148 SdHoareTripleChecker+Invalid, 4953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 4686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:14,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1919 Valid, 5148 Invalid, 4953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 4686 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:15:14,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5714 states. [2022-03-15 15:15:14,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5714 to 2881. [2022-03-15 15:15:14,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2881 states, 2869 states have (on average 1.9212269083304288) internal successors, (5512), 2880 states have internal predecessors, (5512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:14,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 5512 transitions. [2022-03-15 15:15:14,891 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 5512 transitions. Word has length 172 [2022-03-15 15:15:14,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:14,891 INFO L470 AbstractCegarLoop]: Abstraction has 2881 states and 5512 transitions. [2022-03-15 15:15:14,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 5512 transitions. [2022-03-15 15:15:14,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:14,892 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:14,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:14,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-03-15 15:15:14,893 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:14,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:14,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1627222496, now seen corresponding path program 17 times [2022-03-15 15:15:14,893 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:14,893 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304480121] [2022-03-15 15:15:14,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:14,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:15,411 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:15,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304480121] [2022-03-15 15:15:15,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304480121] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:15,411 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:15,412 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:15:15,412 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206321280] [2022-03-15 15:15:15,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:15,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:15:15,412 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:15,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:15:15,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:15:15,412 INFO L87 Difference]: Start difference. First operand 2881 states and 5512 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:17,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:17,626 INFO L93 Difference]: Finished difference Result 4691 states and 9057 transitions. [2022-03-15 15:15:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:15:17,626 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:17,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:17,631 INFO L225 Difference]: With dead ends: 4691 [2022-03-15 15:15:17,631 INFO L226 Difference]: Without dead ends: 4691 [2022-03-15 15:15:17,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1606 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=919, Invalid=4933, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 15:15:17,632 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 1834 mSDsluCounter, 3273 mSDsCounter, 0 mSdLazyCounter, 2266 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 3548 SdHoareTripleChecker+Invalid, 2446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 2266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:17,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1834 Valid, 3548 Invalid, 2446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 2266 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:15:17,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4691 states. [2022-03-15 15:15:17,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4691 to 2949. [2022-03-15 15:15:17,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2949 states, 2937 states have (on average 1.923050732039496) internal successors, (5648), 2948 states have internal predecessors, (5648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:17,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2949 states and 5648 transitions. [2022-03-15 15:15:17,663 INFO L78 Accepts]: Start accepts. Automaton has 2949 states and 5648 transitions. Word has length 172 [2022-03-15 15:15:17,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:17,663 INFO L470 AbstractCegarLoop]: Abstraction has 2949 states and 5648 transitions. [2022-03-15 15:15:17,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:17,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 5648 transitions. [2022-03-15 15:15:17,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:17,665 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:17,665 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:17,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-03-15 15:15:17,665 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:17,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:17,665 INFO L85 PathProgramCache]: Analyzing trace with hash 414826042, now seen corresponding path program 18 times [2022-03-15 15:15:17,665 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:17,665 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967972878] [2022-03-15 15:15:17,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:17,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:18,163 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:18,163 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967972878] [2022-03-15 15:15:18,163 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967972878] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:18,163 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:18,163 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:15:18,163 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90793706] [2022-03-15 15:15:18,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:18,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:15:18,163 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:18,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:15:18,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:15:18,164 INFO L87 Difference]: Start difference. First operand 2949 states and 5648 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:20,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:20,797 INFO L93 Difference]: Finished difference Result 4735 states and 9143 transitions. [2022-03-15 15:15:20,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-15 15:15:20,797 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:20,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:20,802 INFO L225 Difference]: With dead ends: 4735 [2022-03-15 15:15:20,802 INFO L226 Difference]: Without dead ends: 4735 [2022-03-15 15:15:20,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2133 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1023, Invalid=6287, Unknown=0, NotChecked=0, Total=7310 [2022-03-15 15:15:20,802 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 1897 mSDsluCounter, 4441 mSDsCounter, 0 mSdLazyCounter, 3583 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 4709 SdHoareTripleChecker+Invalid, 3788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 3583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:20,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 4709 Invalid, 3788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 3583 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:15:20,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4735 states. [2022-03-15 15:15:20,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4735 to 2960. [2022-03-15 15:15:20,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2960 states, 2948 states have (on average 1.9233378561736771) internal successors, (5670), 2959 states have internal predecessors, (5670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:20,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 5670 transitions. [2022-03-15 15:15:20,833 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 5670 transitions. Word has length 172 [2022-03-15 15:15:20,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:20,833 INFO L470 AbstractCegarLoop]: Abstraction has 2960 states and 5670 transitions. [2022-03-15 15:15:20,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:20,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 5670 transitions. [2022-03-15 15:15:20,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:20,835 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:20,835 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:20,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-03-15 15:15:20,835 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:20,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:20,835 INFO L85 PathProgramCache]: Analyzing trace with hash -434128992, now seen corresponding path program 19 times [2022-03-15 15:15:20,835 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:20,835 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804577680] [2022-03-15 15:15:20,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:20,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:21,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:21,257 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:21,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804577680] [2022-03-15 15:15:21,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804577680] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:21,257 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:21,257 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:15:21,257 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164529046] [2022-03-15 15:15:21,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:21,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:15:21,257 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:21,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:15:21,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:15:21,258 INFO L87 Difference]: Start difference. First operand 2960 states and 5670 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:23,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:23,774 INFO L93 Difference]: Finished difference Result 4776 states and 9223 transitions. [2022-03-15 15:15:23,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-15 15:15:23,774 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:23,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:23,779 INFO L225 Difference]: With dead ends: 4776 [2022-03-15 15:15:23,779 INFO L226 Difference]: Without dead ends: 4776 [2022-03-15 15:15:23,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1973 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=991, Invalid=5815, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:15:23,780 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 1697 mSDsluCounter, 4510 mSDsCounter, 0 mSdLazyCounter, 3316 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1697 SdHoareTripleChecker+Valid, 4802 SdHoareTripleChecker+Invalid, 3538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 3316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:23,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1697 Valid, 4802 Invalid, 3538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 3316 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:15:23,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4776 states. [2022-03-15 15:15:23,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4776 to 2971. [2022-03-15 15:15:23,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2971 states, 2959 states have (on average 1.923622845555931) internal successors, (5692), 2970 states have internal predecessors, (5692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:23,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2971 states and 5692 transitions. [2022-03-15 15:15:23,812 INFO L78 Accepts]: Start accepts. Automaton has 2971 states and 5692 transitions. Word has length 172 [2022-03-15 15:15:23,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:23,812 INFO L470 AbstractCegarLoop]: Abstraction has 2971 states and 5692 transitions. [2022-03-15 15:15:23,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:23,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 5692 transitions. [2022-03-15 15:15:23,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:23,813 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:23,814 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:23,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-03-15 15:15:23,814 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:23,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:23,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1303963428, now seen corresponding path program 20 times [2022-03-15 15:15:23,814 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:23,814 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367596153] [2022-03-15 15:15:23,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:23,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:24,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:24,212 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:24,212 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367596153] [2022-03-15 15:15:24,212 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367596153] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:24,212 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:24,212 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:15:24,213 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192656444] [2022-03-15 15:15:24,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:24,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:15:24,213 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:24,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:15:24,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:15:24,213 INFO L87 Difference]: Start difference. First operand 2971 states and 5692 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:26,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:26,680 INFO L93 Difference]: Finished difference Result 4820 states and 9309 transitions. [2022-03-15 15:15:26,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-15 15:15:26,681 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:26,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:26,686 INFO L225 Difference]: With dead ends: 4820 [2022-03-15 15:15:26,686 INFO L226 Difference]: Without dead ends: 4820 [2022-03-15 15:15:26,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2108 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1015, Invalid=6125, Unknown=0, NotChecked=0, Total=7140 [2022-03-15 15:15:26,687 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 2024 mSDsluCounter, 4054 mSDsCounter, 0 mSdLazyCounter, 3226 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 4354 SdHoareTripleChecker+Invalid, 3503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 3226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:26,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2024 Valid, 4354 Invalid, 3503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 3226 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:15:26,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4820 states. [2022-03-15 15:15:26,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4820 to 2982. [2022-03-15 15:15:26,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 2970 states have (on average 1.923905723905724) internal successors, (5714), 2981 states have internal predecessors, (5714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:26,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 5714 transitions. [2022-03-15 15:15:26,716 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 5714 transitions. Word has length 172 [2022-03-15 15:15:26,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:26,716 INFO L470 AbstractCegarLoop]: Abstraction has 2982 states and 5714 transitions. [2022-03-15 15:15:26,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:26,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 5714 transitions. [2022-03-15 15:15:26,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:26,717 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:26,717 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:26,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-03-15 15:15:26,717 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:26,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:26,718 INFO L85 PathProgramCache]: Analyzing trace with hash 402877822, now seen corresponding path program 21 times [2022-03-15 15:15:26,718 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:26,718 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866104019] [2022-03-15 15:15:26,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:26,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:27,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:27,111 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:27,111 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866104019] [2022-03-15 15:15:27,111 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866104019] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:27,111 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:27,111 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:15:27,112 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193200622] [2022-03-15 15:15:27,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:27,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:15:27,112 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:27,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:15:27,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:15:27,112 INFO L87 Difference]: Start difference. First operand 2982 states and 5714 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:29,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:29,414 INFO L93 Difference]: Finished difference Result 5176 states and 9981 transitions. [2022-03-15 15:15:29,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-15 15:15:29,414 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:29,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:29,419 INFO L225 Difference]: With dead ends: 5176 [2022-03-15 15:15:29,420 INFO L226 Difference]: Without dead ends: 5176 [2022-03-15 15:15:29,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1825 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=816, Invalid=5990, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:15:29,421 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 1878 mSDsluCounter, 4841 mSDsCounter, 0 mSdLazyCounter, 3878 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1878 SdHoareTripleChecker+Valid, 5173 SdHoareTripleChecker+Invalid, 4000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 3878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:29,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1878 Valid, 5173 Invalid, 4000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 3878 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:15:29,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5176 states. [2022-03-15 15:15:29,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5176 to 3013. [2022-03-15 15:15:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3013 states, 3001 states have (on average 1.9246917694101966) internal successors, (5776), 3012 states have internal predecessors, (5776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:29,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 3013 states and 5776 transitions. [2022-03-15 15:15:29,470 INFO L78 Accepts]: Start accepts. Automaton has 3013 states and 5776 transitions. Word has length 172 [2022-03-15 15:15:29,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:29,471 INFO L470 AbstractCegarLoop]: Abstraction has 3013 states and 5776 transitions. [2022-03-15 15:15:29,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:29,471 INFO L276 IsEmpty]: Start isEmpty. Operand 3013 states and 5776 transitions. [2022-03-15 15:15:29,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:29,472 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:29,472 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:29,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-03-15 15:15:29,472 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:29,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:29,473 INFO L85 PathProgramCache]: Analyzing trace with hash 775721539, now seen corresponding path program 80 times [2022-03-15 15:15:29,473 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:29,473 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747238494] [2022-03-15 15:15:29,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:29,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:29,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:29,816 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:29,816 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747238494] [2022-03-15 15:15:29,817 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747238494] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:29,817 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:29,817 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:15:29,817 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202692986] [2022-03-15 15:15:29,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:29,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:15:29,817 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:29,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:15:29,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:15:29,817 INFO L87 Difference]: Start difference. First operand 3013 states and 5776 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:32,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:32,457 INFO L93 Difference]: Finished difference Result 5538 states and 10630 transitions. [2022-03-15 15:15:32,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 15:15:32,457 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:32,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:32,463 INFO L225 Difference]: With dead ends: 5538 [2022-03-15 15:15:32,463 INFO L226 Difference]: Without dead ends: 5538 [2022-03-15 15:15:32,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1611 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=851, Invalid=5469, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 15:15:32,464 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 2114 mSDsluCounter, 4987 mSDsCounter, 0 mSdLazyCounter, 4500 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2114 SdHoareTripleChecker+Valid, 5377 SdHoareTripleChecker+Invalid, 4700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 4500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:32,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2114 Valid, 5377 Invalid, 4700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 4500 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:15:32,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5538 states. [2022-03-15 15:15:32,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5538 to 2893. [2022-03-15 15:15:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2893 states, 2881 states have (on average 1.9215550156195766) internal successors, (5536), 2892 states have internal predecessors, (5536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:32,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2893 states and 5536 transitions. [2022-03-15 15:15:32,496 INFO L78 Accepts]: Start accepts. Automaton has 2893 states and 5536 transitions. Word has length 172 [2022-03-15 15:15:32,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:32,496 INFO L470 AbstractCegarLoop]: Abstraction has 2893 states and 5536 transitions. [2022-03-15 15:15:32,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:32,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 5536 transitions. [2022-03-15 15:15:32,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:32,497 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:32,497 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:32,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-03-15 15:15:32,497 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:32,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:32,498 INFO L85 PathProgramCache]: Analyzing trace with hash -384545316, now seen corresponding path program 22 times [2022-03-15 15:15:32,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:32,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145450741] [2022-03-15 15:15:32,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:32,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:32,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:32,882 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:32,882 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145450741] [2022-03-15 15:15:32,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145450741] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:32,882 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:32,882 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:15:32,882 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324139553] [2022-03-15 15:15:32,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:32,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:15:32,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:32,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:15:32,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:15:32,883 INFO L87 Difference]: Start difference. First operand 2893 states and 5536 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:35,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:35,344 INFO L93 Difference]: Finished difference Result 6120 states and 11790 transitions. [2022-03-15 15:15:35,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-03-15 15:15:35,344 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:35,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:35,350 INFO L225 Difference]: With dead ends: 6120 [2022-03-15 15:15:35,350 INFO L226 Difference]: Without dead ends: 6120 [2022-03-15 15:15:35,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2641 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=974, Invalid=7956, Unknown=0, NotChecked=0, Total=8930 [2022-03-15 15:15:35,351 INFO L933 BasicCegarLoop]: 410 mSDtfsCounter, 1915 mSDsluCounter, 5475 mSDsCounter, 0 mSdLazyCounter, 3723 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1915 SdHoareTripleChecker+Valid, 5880 SdHoareTripleChecker+Invalid, 3839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 3723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:35,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1915 Valid, 5880 Invalid, 3839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 3723 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:15:35,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6120 states. [2022-03-15 15:15:35,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6120 to 2979. [2022-03-15 15:15:35,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2979 states, 2967 states have (on average 1.9238287832827772) internal successors, (5708), 2978 states have internal predecessors, (5708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:35,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2979 states and 5708 transitions. [2022-03-15 15:15:35,384 INFO L78 Accepts]: Start accepts. Automaton has 2979 states and 5708 transitions. Word has length 172 [2022-03-15 15:15:35,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:35,384 INFO L470 AbstractCegarLoop]: Abstraction has 2979 states and 5708 transitions. [2022-03-15 15:15:35,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:35,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2979 states and 5708 transitions. [2022-03-15 15:15:35,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:35,385 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:35,385 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:35,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-03-15 15:15:35,385 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:35,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:35,386 INFO L85 PathProgramCache]: Analyzing trace with hash -11701599, now seen corresponding path program 81 times [2022-03-15 15:15:35,386 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:35,386 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705423588] [2022-03-15 15:15:35,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:35,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:35,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:35,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:35,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705423588] [2022-03-15 15:15:35,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705423588] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:35,751 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:35,751 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:15:35,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816741409] [2022-03-15 15:15:35,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:35,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:15:35,751 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:35,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:15:35,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:15:35,752 INFO L87 Difference]: Start difference. First operand 2979 states and 5708 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:39,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:39,285 INFO L93 Difference]: Finished difference Result 7197 states and 13807 transitions. [2022-03-15 15:15:39,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-03-15 15:15:39,286 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:39,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:39,293 INFO L225 Difference]: With dead ends: 7197 [2022-03-15 15:15:39,293 INFO L226 Difference]: Without dead ends: 7197 [2022-03-15 15:15:39,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2436 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1023, Invalid=7533, Unknown=0, NotChecked=0, Total=8556 [2022-03-15 15:15:39,294 INFO L933 BasicCegarLoop]: 455 mSDtfsCounter, 2060 mSDsluCounter, 7208 mSDsCounter, 0 mSdLazyCounter, 6212 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 7656 SdHoareTripleChecker+Invalid, 6424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 6212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:39,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2060 Valid, 7656 Invalid, 6424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 6212 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-03-15 15:15:39,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7197 states. [2022-03-15 15:15:39,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7197 to 2931. [2022-03-15 15:15:39,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2931 states, 2919 states have (on average 1.9225762247344982) internal successors, (5612), 2930 states have internal predecessors, (5612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:39,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2931 states and 5612 transitions. [2022-03-15 15:15:39,327 INFO L78 Accepts]: Start accepts. Automaton has 2931 states and 5612 transitions. Word has length 172 [2022-03-15 15:15:39,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:39,328 INFO L470 AbstractCegarLoop]: Abstraction has 2931 states and 5612 transitions. [2022-03-15 15:15:39,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:39,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 5612 transitions. [2022-03-15 15:15:39,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:39,329 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:39,329 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:39,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-03-15 15:15:39,329 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:39,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:39,329 INFO L85 PathProgramCache]: Analyzing trace with hash -437407421, now seen corresponding path program 82 times [2022-03-15 15:15:39,329 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:39,329 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169329236] [2022-03-15 15:15:39,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:39,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:39,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:39,666 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:39,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169329236] [2022-03-15 15:15:39,667 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169329236] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:39,667 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:39,667 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:15:39,667 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589855015] [2022-03-15 15:15:39,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:39,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:15:39,667 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:39,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:15:39,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:15:39,667 INFO L87 Difference]: Start difference. First operand 2931 states and 5612 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:42,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:42,536 INFO L93 Difference]: Finished difference Result 6553 states and 12583 transitions. [2022-03-15 15:15:42,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-03-15 15:15:42,536 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:42,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:42,547 INFO L225 Difference]: With dead ends: 6553 [2022-03-15 15:15:42,547 INFO L226 Difference]: Without dead ends: 6553 [2022-03-15 15:15:42,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1992 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=993, Invalid=6489, Unknown=0, NotChecked=0, Total=7482 [2022-03-15 15:15:42,548 INFO L933 BasicCegarLoop]: 480 mSDtfsCounter, 2053 mSDsluCounter, 5277 mSDsCounter, 0 mSdLazyCounter, 4523 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2053 SdHoareTripleChecker+Valid, 5752 SdHoareTripleChecker+Invalid, 4788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 4523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:42,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2053 Valid, 5752 Invalid, 4788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 4523 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:15:42,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6553 states. [2022-03-15 15:15:42,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6553 to 2927. [2022-03-15 15:15:42,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2927 states, 2915 states have (on average 1.9224699828473413) internal successors, (5604), 2926 states have internal predecessors, (5604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:42,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2927 states and 5604 transitions. [2022-03-15 15:15:42,606 INFO L78 Accepts]: Start accepts. Automaton has 2927 states and 5604 transitions. Word has length 172 [2022-03-15 15:15:42,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:42,606 INFO L470 AbstractCegarLoop]: Abstraction has 2927 states and 5604 transitions. [2022-03-15 15:15:42,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:42,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 5604 transitions. [2022-03-15 15:15:42,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:42,607 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:42,607 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:42,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-03-15 15:15:42,607 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:42,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:42,608 INFO L85 PathProgramCache]: Analyzing trace with hash 498655271, now seen corresponding path program 83 times [2022-03-15 15:15:42,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:42,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842482446] [2022-03-15 15:15:42,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:42,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:42,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:42,990 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:42,991 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842482446] [2022-03-15 15:15:42,991 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842482446] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:42,991 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:42,991 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:15:42,991 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914489908] [2022-03-15 15:15:42,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:42,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:15:42,991 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:42,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:15:42,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:15:42,992 INFO L87 Difference]: Start difference. First operand 2927 states and 5604 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:46,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:46,450 INFO L93 Difference]: Finished difference Result 6517 states and 12511 transitions. [2022-03-15 15:15:46,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-15 15:15:46,450 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:46,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:46,457 INFO L225 Difference]: With dead ends: 6517 [2022-03-15 15:15:46,457 INFO L226 Difference]: Without dead ends: 6517 [2022-03-15 15:15:46,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2458 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1059, Invalid=7683, Unknown=0, NotChecked=0, Total=8742 [2022-03-15 15:15:46,458 INFO L933 BasicCegarLoop]: 485 mSDtfsCounter, 2137 mSDsluCounter, 6601 mSDsCounter, 0 mSdLazyCounter, 6060 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2137 SdHoareTripleChecker+Valid, 7080 SdHoareTripleChecker+Invalid, 6352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 6060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:46,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2137 Valid, 7080 Invalid, 6352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 6060 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-15 15:15:46,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6517 states. [2022-03-15 15:15:46,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6517 to 2881. [2022-03-15 15:15:46,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2881 states, 2869 states have (on average 1.9212269083304288) internal successors, (5512), 2880 states have internal predecessors, (5512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:46,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 5512 transitions. [2022-03-15 15:15:46,497 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 5512 transitions. Word has length 172 [2022-03-15 15:15:46,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:46,497 INFO L470 AbstractCegarLoop]: Abstraction has 2881 states and 5512 transitions. [2022-03-15 15:15:46,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:46,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 5512 transitions. [2022-03-15 15:15:46,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:46,498 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:46,498 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:46,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-03-15 15:15:46,498 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:46,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:46,499 INFO L85 PathProgramCache]: Analyzing trace with hash -750038406, now seen corresponding path program 23 times [2022-03-15 15:15:46,499 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:46,499 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501653085] [2022-03-15 15:15:46,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:46,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:46,880 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:46,880 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501653085] [2022-03-15 15:15:46,880 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501653085] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:46,880 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:46,881 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:15:46,881 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078289986] [2022-03-15 15:15:46,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:46,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:15:46,881 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:46,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:15:46,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:15:46,881 INFO L87 Difference]: Start difference. First operand 2881 states and 5512 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:49,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:49,384 INFO L93 Difference]: Finished difference Result 6142 states and 11836 transitions. [2022-03-15 15:15:49,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-03-15 15:15:49,384 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:49,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:49,395 INFO L225 Difference]: With dead ends: 6142 [2022-03-15 15:15:49,395 INFO L226 Difference]: Without dead ends: 6142 [2022-03-15 15:15:49,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2510 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=959, Invalid=7597, Unknown=0, NotChecked=0, Total=8556 [2022-03-15 15:15:49,396 INFO L933 BasicCegarLoop]: 424 mSDtfsCounter, 1835 mSDsluCounter, 5821 mSDsCounter, 0 mSdLazyCounter, 3945 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1835 SdHoareTripleChecker+Valid, 6240 SdHoareTripleChecker+Invalid, 4067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 3945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:49,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1835 Valid, 6240 Invalid, 4067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 3945 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:15:49,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6142 states. [2022-03-15 15:15:49,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6142 to 2967. [2022-03-15 15:15:49,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2967 states, 2955 states have (on average 1.9235194585448392) internal successors, (5684), 2966 states have internal predecessors, (5684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:49,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 5684 transitions. [2022-03-15 15:15:49,442 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 5684 transitions. Word has length 172 [2022-03-15 15:15:49,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:49,442 INFO L470 AbstractCegarLoop]: Abstraction has 2967 states and 5684 transitions. [2022-03-15 15:15:49,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:49,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 5684 transitions. [2022-03-15 15:15:49,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:49,443 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:49,443 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:49,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-03-15 15:15:49,444 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:49,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:49,444 INFO L85 PathProgramCache]: Analyzing trace with hash -377194689, now seen corresponding path program 84 times [2022-03-15 15:15:49,444 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:49,444 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425372848] [2022-03-15 15:15:49,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:49,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:49,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:49,814 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:49,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425372848] [2022-03-15 15:15:49,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425372848] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:49,814 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:49,814 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:15:49,814 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598584285] [2022-03-15 15:15:49,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:49,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:15:49,815 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:49,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:15:49,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:15:49,815 INFO L87 Difference]: Start difference. First operand 2967 states and 5684 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:53,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:53,324 INFO L93 Difference]: Finished difference Result 7244 states and 13899 transitions. [2022-03-15 15:15:53,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-03-15 15:15:53,325 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:53,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:53,354 INFO L225 Difference]: With dead ends: 7244 [2022-03-15 15:15:53,354 INFO L226 Difference]: Without dead ends: 7244 [2022-03-15 15:15:53,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2637 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1143, Invalid=7977, Unknown=0, NotChecked=0, Total=9120 [2022-03-15 15:15:53,355 INFO L933 BasicCegarLoop]: 473 mSDtfsCounter, 2057 mSDsluCounter, 7218 mSDsCounter, 0 mSdLazyCounter, 6035 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2057 SdHoareTripleChecker+Valid, 7684 SdHoareTripleChecker+Invalid, 6279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 6035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:53,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2057 Valid, 7684 Invalid, 6279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 6035 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-15 15:15:53,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7244 states. [2022-03-15 15:15:53,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7244 to 2919. [2022-03-15 15:15:53,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2919 states, 2907 states have (on average 1.9222566219470245) internal successors, (5588), 2918 states have internal predecessors, (5588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2919 states and 5588 transitions. [2022-03-15 15:15:53,390 INFO L78 Accepts]: Start accepts. Automaton has 2919 states and 5588 transitions. Word has length 172 [2022-03-15 15:15:53,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:53,390 INFO L470 AbstractCegarLoop]: Abstraction has 2919 states and 5588 transitions. [2022-03-15 15:15:53,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:53,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2919 states and 5588 transitions. [2022-03-15 15:15:53,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:53,391 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:53,391 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:53,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-03-15 15:15:53,392 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:53,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:53,392 INFO L85 PathProgramCache]: Analyzing trace with hash -802900511, now seen corresponding path program 85 times [2022-03-15 15:15:53,392 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:53,392 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021532853] [2022-03-15 15:15:53,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:53,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:53,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:53,810 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:53,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021532853] [2022-03-15 15:15:53,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021532853] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:53,810 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:53,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:15:53,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038580870] [2022-03-15 15:15:53,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:53,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:15:53,811 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:53,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:15:53,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:15:53,811 INFO L87 Difference]: Start difference. First operand 2919 states and 5588 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:57,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:15:57,606 INFO L93 Difference]: Finished difference Result 8058 states and 15452 transitions. [2022-03-15 15:15:57,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-03-15 15:15:57,607 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:15:57,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:15:57,615 INFO L225 Difference]: With dead ends: 8058 [2022-03-15 15:15:57,616 INFO L226 Difference]: Without dead ends: 8058 [2022-03-15 15:15:57,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2909 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1254, Invalid=8646, Unknown=0, NotChecked=0, Total=9900 [2022-03-15 15:15:57,616 INFO L933 BasicCegarLoop]: 536 mSDtfsCounter, 2119 mSDsluCounter, 7487 mSDsCounter, 0 mSdLazyCounter, 6358 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2119 SdHoareTripleChecker+Valid, 8016 SdHoareTripleChecker+Invalid, 6634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 6358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:15:57,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2119 Valid, 8016 Invalid, 6634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 6358 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-03-15 15:15:57,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8058 states. [2022-03-15 15:15:57,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8058 to 2921. [2022-03-15 15:15:57,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2909 states have (on average 1.922310072189756) internal successors, (5592), 2920 states have internal predecessors, (5592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:57,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 5592 transitions. [2022-03-15 15:15:57,663 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 5592 transitions. Word has length 172 [2022-03-15 15:15:57,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:15:57,663 INFO L470 AbstractCegarLoop]: Abstraction has 2921 states and 5592 transitions. [2022-03-15 15:15:57,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:15:57,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 5592 transitions. [2022-03-15 15:15:57,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:15:57,665 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:15:57,665 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:15:57,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-03-15 15:15:57,665 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:15:57,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:15:57,665 INFO L85 PathProgramCache]: Analyzing trace with hash 133162181, now seen corresponding path program 86 times [2022-03-15 15:15:57,665 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:15:57,665 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452462137] [2022-03-15 15:15:57,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:15:57,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:15:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:15:58,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:15:58,044 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:15:58,044 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452462137] [2022-03-15 15:15:58,044 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452462137] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:15:58,044 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:15:58,044 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:15:58,044 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309400565] [2022-03-15 15:15:58,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:15:58,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:15:58,044 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:15:58,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:15:58,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:15:58,045 INFO L87 Difference]: Start difference. First operand 2921 states and 5592 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:01,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:01,716 INFO L93 Difference]: Finished difference Result 8197 states and 15730 transitions. [2022-03-15 15:16:01,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-03-15 15:16:01,717 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:01,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:01,726 INFO L225 Difference]: With dead ends: 8197 [2022-03-15 15:16:01,726 INFO L226 Difference]: Without dead ends: 8197 [2022-03-15 15:16:01,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2685 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1249, Invalid=8063, Unknown=0, NotChecked=0, Total=9312 [2022-03-15 15:16:01,727 INFO L933 BasicCegarLoop]: 566 mSDtfsCounter, 2071 mSDsluCounter, 7222 mSDsCounter, 0 mSdLazyCounter, 6016 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2071 SdHoareTripleChecker+Valid, 7784 SdHoareTripleChecker+Invalid, 6298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 6016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:01,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2071 Valid, 7784 Invalid, 6298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 6016 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-03-15 15:16:01,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8197 states. [2022-03-15 15:16:01,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8197 to 2911. [2022-03-15 15:16:01,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2911 states, 2899 states have (on average 1.922042083477061) internal successors, (5572), 2910 states have internal predecessors, (5572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:01,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2911 states and 5572 transitions. [2022-03-15 15:16:01,776 INFO L78 Accepts]: Start accepts. Automaton has 2911 states and 5572 transitions. Word has length 172 [2022-03-15 15:16:01,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:01,776 INFO L470 AbstractCegarLoop]: Abstraction has 2911 states and 5572 transitions. [2022-03-15 15:16:01,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:01,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2911 states and 5572 transitions. [2022-03-15 15:16:01,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:01,778 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:01,778 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:01,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-03-15 15:16:01,778 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:01,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:01,778 INFO L85 PathProgramCache]: Analyzing trace with hash -2099152701, now seen corresponding path program 87 times [2022-03-15 15:16:01,778 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:01,778 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791301684] [2022-03-15 15:16:01,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:01,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:02,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:02,129 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:02,129 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791301684] [2022-03-15 15:16:02,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791301684] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:02,129 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:02,129 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:02,129 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591729357] [2022-03-15 15:16:02,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:02,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:02,129 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:02,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:02,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:02,130 INFO L87 Difference]: Start difference. First operand 2911 states and 5572 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:05,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:05,409 INFO L93 Difference]: Finished difference Result 6429 states and 12333 transitions. [2022-03-15 15:16:05,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-15 15:16:05,409 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:05,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:05,415 INFO L225 Difference]: With dead ends: 6429 [2022-03-15 15:16:05,415 INFO L226 Difference]: Without dead ends: 6429 [2022-03-15 15:16:05,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2339 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1241, Invalid=7315, Unknown=0, NotChecked=0, Total=8556 [2022-03-15 15:16:05,415 INFO L933 BasicCegarLoop]: 503 mSDtfsCounter, 1747 mSDsluCounter, 5777 mSDsCounter, 0 mSdLazyCounter, 5082 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1747 SdHoareTripleChecker+Valid, 6275 SdHoareTripleChecker+Invalid, 5316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 5082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:05,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1747 Valid, 6275 Invalid, 5316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 5082 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:16:05,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6429 states. [2022-03-15 15:16:05,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6429 to 2902. [2022-03-15 15:16:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2902 states, 2890 states have (on average 1.9217993079584774) internal successors, (5554), 2901 states have internal predecessors, (5554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:05,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2902 states and 5554 transitions. [2022-03-15 15:16:05,445 INFO L78 Accepts]: Start accepts. Automaton has 2902 states and 5554 transitions. Word has length 172 [2022-03-15 15:16:05,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:05,445 INFO L470 AbstractCegarLoop]: Abstraction has 2902 states and 5554 transitions. [2022-03-15 15:16:05,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:05,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 5554 transitions. [2022-03-15 15:16:05,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:05,446 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:05,446 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:05,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-03-15 15:16:05,446 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:05,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:05,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1285162141, now seen corresponding path program 88 times [2022-03-15 15:16:05,447 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:05,447 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407696717] [2022-03-15 15:16:05,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:05,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:05,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:05,782 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:05,782 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407696717] [2022-03-15 15:16:05,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407696717] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:05,783 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:05,783 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:05,783 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842076933] [2022-03-15 15:16:05,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:05,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:05,783 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:05,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:05,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:05,783 INFO L87 Difference]: Start difference. First operand 2902 states and 5554 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:09,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:09,391 INFO L93 Difference]: Finished difference Result 6586 states and 12643 transitions. [2022-03-15 15:16:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-03-15 15:16:09,391 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:09,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:09,399 INFO L225 Difference]: With dead ends: 6586 [2022-03-15 15:16:09,399 INFO L226 Difference]: Without dead ends: 6586 [2022-03-15 15:16:09,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2767 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1360, Invalid=8342, Unknown=0, NotChecked=0, Total=9702 [2022-03-15 15:16:09,400 INFO L933 BasicCegarLoop]: 506 mSDtfsCounter, 1911 mSDsluCounter, 6542 mSDsCounter, 0 mSdLazyCounter, 5636 mSolverCounterSat, 328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1911 SdHoareTripleChecker+Valid, 7044 SdHoareTripleChecker+Invalid, 5964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 5636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:09,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1911 Valid, 7044 Invalid, 5964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 5636 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-15 15:16:09,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6586 states. [2022-03-15 15:16:09,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6586 to 2898. [2022-03-15 15:16:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2898 states, 2886 states have (on average 1.9216909216909217) internal successors, (5546), 2897 states have internal predecessors, (5546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2898 states and 5546 transitions. [2022-03-15 15:16:09,435 INFO L78 Accepts]: Start accepts. Automaton has 2898 states and 5546 transitions. Word has length 172 [2022-03-15 15:16:09,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:09,435 INFO L470 AbstractCegarLoop]: Abstraction has 2898 states and 5546 transitions. [2022-03-15 15:16:09,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 5546 transitions. [2022-03-15 15:16:09,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:09,436 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:09,436 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:09,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-03-15 15:16:09,437 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:09,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:09,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1288099269, now seen corresponding path program 89 times [2022-03-15 15:16:09,437 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:09,437 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815855103] [2022-03-15 15:16:09,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:09,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:09,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:09,813 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:09,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815855103] [2022-03-15 15:16:09,813 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815855103] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:09,813 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:09,813 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:09,813 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275047676] [2022-03-15 15:16:09,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:09,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:09,813 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:09,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:09,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:09,814 INFO L87 Difference]: Start difference. First operand 2898 states and 5546 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:13,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:13,421 INFO L93 Difference]: Finished difference Result 6556 states and 12587 transitions. [2022-03-15 15:16:13,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-03-15 15:16:13,422 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:13,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:13,429 INFO L225 Difference]: With dead ends: 6556 [2022-03-15 15:16:13,429 INFO L226 Difference]: Without dead ends: 6556 [2022-03-15 15:16:13,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2555 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1285, Invalid=7835, Unknown=0, NotChecked=0, Total=9120 [2022-03-15 15:16:13,429 INFO L933 BasicCegarLoop]: 522 mSDtfsCounter, 1867 mSDsluCounter, 6371 mSDsCounter, 0 mSdLazyCounter, 5839 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1867 SdHoareTripleChecker+Valid, 6887 SdHoareTripleChecker+Invalid, 6117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 5839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:13,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1867 Valid, 6887 Invalid, 6117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 5839 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-15 15:16:13,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6556 states. [2022-03-15 15:16:13,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6556 to 2839. [2022-03-15 15:16:13,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2827 states have (on average 1.9200565970993986) internal successors, (5428), 2838 states have internal predecessors, (5428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 5428 transitions. [2022-03-15 15:16:13,470 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 5428 transitions. Word has length 172 [2022-03-15 15:16:13,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:13,470 INFO L470 AbstractCegarLoop]: Abstraction has 2839 states and 5428 transitions. [2022-03-15 15:16:13,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:13,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 5428 transitions. [2022-03-15 15:16:13,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:13,471 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:13,472 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:13,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-03-15 15:16:13,472 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:13,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:13,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1935640992, now seen corresponding path program 24 times [2022-03-15 15:16:13,472 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:13,472 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813510723] [2022-03-15 15:16:13,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:13,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:14,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:14,050 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:14,050 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813510723] [2022-03-15 15:16:14,050 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813510723] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:14,050 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:14,050 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:14,050 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825941126] [2022-03-15 15:16:14,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:14,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:14,050 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:14,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:14,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:14,050 INFO L87 Difference]: Start difference. First operand 2839 states and 5428 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:16,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:16,418 INFO L93 Difference]: Finished difference Result 3153 states and 6010 transitions. [2022-03-15 15:16:16,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:16:16,418 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:16,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:16,421 INFO L225 Difference]: With dead ends: 3153 [2022-03-15 15:16:16,422 INFO L226 Difference]: Without dead ends: 3153 [2022-03-15 15:16:16,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1595 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1000, Invalid=4700, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 15:16:16,422 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 1575 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 2576 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1575 SdHoareTripleChecker+Valid, 3879 SdHoareTripleChecker+Invalid, 2782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 2576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:16,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1575 Valid, 3879 Invalid, 2782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 2576 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:16:16,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3153 states. [2022-03-15 15:16:16,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3153 to 2853. [2022-03-15 15:16:16,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2853 states, 2841 states have (on average 1.9204505455825414) internal successors, (5456), 2852 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:16,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2853 states and 5456 transitions. [2022-03-15 15:16:16,445 INFO L78 Accepts]: Start accepts. Automaton has 2853 states and 5456 transitions. Word has length 172 [2022-03-15 15:16:16,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:16,446 INFO L470 AbstractCegarLoop]: Abstraction has 2853 states and 5456 transitions. [2022-03-15 15:16:16,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:16,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2853 states and 5456 transitions. [2022-03-15 15:16:16,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:16,447 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:16,447 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:16,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-03-15 15:16:16,447 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:16,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:16,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1300373724, now seen corresponding path program 25 times [2022-03-15 15:16:16,447 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:16,447 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418885450] [2022-03-15 15:16:16,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:16,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:17,013 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:17,013 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418885450] [2022-03-15 15:16:17,013 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418885450] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:17,013 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:17,013 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:17,013 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86821358] [2022-03-15 15:16:17,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:17,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:17,013 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:17,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:17,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:17,013 INFO L87 Difference]: Start difference. First operand 2853 states and 5456 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:19,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:19,736 INFO L93 Difference]: Finished difference Result 3185 states and 6073 transitions. [2022-03-15 15:16:19,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 15:16:19,736 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:19,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:19,739 INFO L225 Difference]: With dead ends: 3185 [2022-03-15 15:16:19,739 INFO L226 Difference]: Without dead ends: 3185 [2022-03-15 15:16:19,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1775 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1115, Invalid=5047, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 15:16:19,740 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 1540 mSDsluCounter, 3895 mSDsCounter, 0 mSdLazyCounter, 2822 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 4231 SdHoareTripleChecker+Invalid, 3014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 2822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:19,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1540 Valid, 4231 Invalid, 3014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 2822 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:16:19,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3185 states. [2022-03-15 15:16:19,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3185 to 2859. [2022-03-15 15:16:19,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2859 states, 2847 states have (on average 1.9206181945907974) internal successors, (5468), 2858 states have internal predecessors, (5468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 2859 states and 5468 transitions. [2022-03-15 15:16:19,762 INFO L78 Accepts]: Start accepts. Automaton has 2859 states and 5468 transitions. Word has length 172 [2022-03-15 15:16:19,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:19,762 INFO L470 AbstractCegarLoop]: Abstraction has 2859 states and 5468 transitions. [2022-03-15 15:16:19,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:19,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2859 states and 5468 transitions. [2022-03-15 15:16:19,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:19,763 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:19,763 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:19,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-03-15 15:16:19,763 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:19,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:19,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1513647714, now seen corresponding path program 26 times [2022-03-15 15:16:19,763 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:19,764 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106780428] [2022-03-15 15:16:19,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:19,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:20,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:20,494 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:20,494 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106780428] [2022-03-15 15:16:20,494 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106780428] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:20,494 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:20,494 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:20,494 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732642223] [2022-03-15 15:16:20,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:20,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:20,494 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:20,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:20,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:20,495 INFO L87 Difference]: Start difference. First operand 2859 states and 5468 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:24,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:24,248 INFO L93 Difference]: Finished difference Result 3203 states and 6108 transitions. [2022-03-15 15:16:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 15:16:24,248 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:24,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:24,251 INFO L225 Difference]: With dead ends: 3203 [2022-03-15 15:16:24,252 INFO L226 Difference]: Without dead ends: 3203 [2022-03-15 15:16:24,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1817 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1145, Invalid=5175, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 15:16:24,252 INFO L933 BasicCegarLoop]: 347 mSDtfsCounter, 1846 mSDsluCounter, 3459 mSDsCounter, 0 mSdLazyCounter, 2645 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 3803 SdHoareTripleChecker+Invalid, 2886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 2645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:24,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1846 Valid, 3803 Invalid, 2886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 2645 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:16:24,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2022-03-15 15:16:24,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 2870. [2022-03-15 15:16:24,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 2858 states have (on average 1.920923722883135) internal successors, (5490), 2869 states have internal predecessors, (5490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:24,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 5490 transitions. [2022-03-15 15:16:24,282 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 5490 transitions. Word has length 172 [2022-03-15 15:16:24,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:24,282 INFO L470 AbstractCegarLoop]: Abstraction has 2870 states and 5490 transitions. [2022-03-15 15:16:24,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 5490 transitions. [2022-03-15 15:16:24,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:24,283 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:24,283 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:24,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-03-15 15:16:24,283 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:24,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:24,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1250229566, now seen corresponding path program 27 times [2022-03-15 15:16:24,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:24,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293046569] [2022-03-15 15:16:24,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:24,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:24,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:24,847 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:24,847 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293046569] [2022-03-15 15:16:24,847 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293046569] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:24,847 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:24,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:24,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422919925] [2022-03-15 15:16:24,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:24,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:24,848 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:24,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:24,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:24,848 INFO L87 Difference]: Start difference. First operand 2870 states and 5490 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:27,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:27,327 INFO L93 Difference]: Finished difference Result 3205 states and 6114 transitions. [2022-03-15 15:16:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:16:27,328 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:27,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:27,331 INFO L225 Difference]: With dead ends: 3205 [2022-03-15 15:16:27,331 INFO L226 Difference]: Without dead ends: 3205 [2022-03-15 15:16:27,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1660 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1046, Invalid=4806, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 15:16:27,332 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1644 mSDsluCounter, 3440 mSDsCounter, 0 mSdLazyCounter, 2672 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 3748 SdHoareTripleChecker+Invalid, 2903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 2672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:27,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1644 Valid, 3748 Invalid, 2903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 2672 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:16:27,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2022-03-15 15:16:27,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 2882. [2022-03-15 15:16:27,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2882 states, 2870 states have (on average 1.921254355400697) internal successors, (5514), 2881 states have internal predecessors, (5514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:27,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2882 states and 5514 transitions. [2022-03-15 15:16:27,357 INFO L78 Accepts]: Start accepts. Automaton has 2882 states and 5514 transitions. Word has length 172 [2022-03-15 15:16:27,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:27,357 INFO L470 AbstractCegarLoop]: Abstraction has 2882 states and 5514 transitions. [2022-03-15 15:16:27,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:27,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2882 states and 5514 transitions. [2022-03-15 15:16:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:27,358 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:27,358 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:27,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-03-15 15:16:27,358 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:27,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:27,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1036955576, now seen corresponding path program 28 times [2022-03-15 15:16:27,359 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:27,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292393083] [2022-03-15 15:16:27,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:27,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:28,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:28,103 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:28,103 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292393083] [2022-03-15 15:16:28,103 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292393083] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:28,103 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:28,103 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:28,103 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158121930] [2022-03-15 15:16:28,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:28,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:28,103 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:28,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:28,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:28,104 INFO L87 Difference]: Start difference. First operand 2882 states and 5514 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:31,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:31,957 INFO L93 Difference]: Finished difference Result 3249 states and 6200 transitions. [2022-03-15 15:16:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 15:16:31,957 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:31,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:31,961 INFO L225 Difference]: With dead ends: 3249 [2022-03-15 15:16:31,961 INFO L226 Difference]: Without dead ends: 3249 [2022-03-15 15:16:31,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1823 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1143, Invalid=5177, Unknown=0, NotChecked=0, Total=6320 [2022-03-15 15:16:31,967 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 1707 mSDsluCounter, 3616 mSDsCounter, 0 mSdLazyCounter, 2806 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 3932 SdHoareTripleChecker+Invalid, 3048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 2806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:31,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1707 Valid, 3932 Invalid, 3048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 2806 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:16:31,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3249 states. [2022-03-15 15:16:31,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3249 to 2876. [2022-03-15 15:16:32,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2864 states have (on average 1.9210893854748603) internal successors, (5502), 2875 states have internal predecessors, (5502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:32,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 5502 transitions. [2022-03-15 15:16:32,003 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 5502 transitions. Word has length 172 [2022-03-15 15:16:32,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:32,003 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 5502 transitions. [2022-03-15 15:16:32,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:32,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 5502 transitions. [2022-03-15 15:16:32,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:32,005 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:32,005 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:32,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-03-15 15:16:32,005 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:32,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:32,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1430006816, now seen corresponding path program 29 times [2022-03-15 15:16:32,005 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:32,005 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688550765] [2022-03-15 15:16:32,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:32,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:32,503 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:32,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688550765] [2022-03-15 15:16:32,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688550765] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:32,503 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:32,503 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:32,503 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398029722] [2022-03-15 15:16:32,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:32,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:32,504 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:32,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:32,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:32,504 INFO L87 Difference]: Start difference. First operand 2876 states and 5502 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:34,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:34,924 INFO L93 Difference]: Finished difference Result 3253 states and 6206 transitions. [2022-03-15 15:16:34,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 15:16:34,925 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:34,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:34,928 INFO L225 Difference]: With dead ends: 3253 [2022-03-15 15:16:34,928 INFO L226 Difference]: Without dead ends: 3253 [2022-03-15 15:16:34,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1884 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1123, Invalid=5357, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 15:16:34,928 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 1655 mSDsluCounter, 3713 mSDsCounter, 0 mSdLazyCounter, 2964 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1655 SdHoareTripleChecker+Valid, 4038 SdHoareTripleChecker+Invalid, 3202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 2964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:34,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1655 Valid, 4038 Invalid, 3202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 2964 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:16:34,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3253 states. [2022-03-15 15:16:34,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3253 to 2887. [2022-03-15 15:16:34,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2887 states, 2875 states have (on average 1.9213913043478261) internal successors, (5524), 2886 states have internal predecessors, (5524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:34,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 5524 transitions. [2022-03-15 15:16:34,951 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 5524 transitions. Word has length 172 [2022-03-15 15:16:34,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:34,951 INFO L470 AbstractCegarLoop]: Abstraction has 2887 states and 5524 transitions. [2022-03-15 15:16:34,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:34,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 5524 transitions. [2022-03-15 15:16:34,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:34,952 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:34,952 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:34,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-03-15 15:16:34,952 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:34,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:34,953 INFO L85 PathProgramCache]: Analyzing trace with hash 727663366, now seen corresponding path program 30 times [2022-03-15 15:16:34,953 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:34,953 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903983452] [2022-03-15 15:16:34,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:34,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:35,519 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:35,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903983452] [2022-03-15 15:16:35,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903983452] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:35,519 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:35,519 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:35,519 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288107533] [2022-03-15 15:16:35,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:35,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:35,519 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:35,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:35,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:35,520 INFO L87 Difference]: Start difference. First operand 2887 states and 5524 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:37,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:37,887 INFO L93 Difference]: Finished difference Result 3231 states and 6166 transitions. [2022-03-15 15:16:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 15:16:37,887 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:37,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:37,891 INFO L225 Difference]: With dead ends: 3231 [2022-03-15 15:16:37,891 INFO L226 Difference]: Without dead ends: 3231 [2022-03-15 15:16:37,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1544 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=980, Invalid=4570, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 15:16:37,891 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1774 mSDsluCounter, 3173 mSDsCounter, 0 mSdLazyCounter, 2555 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 3464 SdHoareTripleChecker+Invalid, 2783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 2555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:37,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1774 Valid, 3464 Invalid, 2783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 2555 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:16:37,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3231 states. [2022-03-15 15:16:37,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3231 to 2905. [2022-03-15 15:16:37,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2905 states, 2893 states have (on average 1.9218804009678534) internal successors, (5560), 2904 states have internal predecessors, (5560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:37,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2905 states and 5560 transitions. [2022-03-15 15:16:37,915 INFO L78 Accepts]: Start accepts. Automaton has 2905 states and 5560 transitions. Word has length 172 [2022-03-15 15:16:37,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:37,916 INFO L470 AbstractCegarLoop]: Abstraction has 2905 states and 5560 transitions. [2022-03-15 15:16:37,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:37,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2905 states and 5560 transitions. [2022-03-15 15:16:37,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:37,917 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:37,917 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:37,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-03-15 15:16:37,917 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:37,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:37,917 INFO L85 PathProgramCache]: Analyzing trace with hash 514389376, now seen corresponding path program 31 times [2022-03-15 15:16:37,917 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:37,917 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51194581] [2022-03-15 15:16:37,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:37,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:38,661 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:38,661 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51194581] [2022-03-15 15:16:38,661 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51194581] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:38,661 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:38,661 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:38,661 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845876551] [2022-03-15 15:16:38,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:38,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:38,662 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:38,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:38,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:38,662 INFO L87 Difference]: Start difference. First operand 2905 states and 5560 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:42,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:42,387 INFO L93 Difference]: Finished difference Result 3275 states and 6252 transitions. [2022-03-15 15:16:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:16:42,387 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:42,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:42,390 INFO L225 Difference]: With dead ends: 3275 [2022-03-15 15:16:42,390 INFO L226 Difference]: Without dead ends: 3275 [2022-03-15 15:16:42,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1704 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1065, Invalid=4941, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 15:16:42,391 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1510 mSDsluCounter, 3699 mSDsCounter, 0 mSdLazyCounter, 2780 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 3998 SdHoareTripleChecker+Invalid, 3005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 2780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:42,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1510 Valid, 3998 Invalid, 3005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 2780 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:16:42,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3275 states. [2022-03-15 15:16:42,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3275 to 2899. [2022-03-15 15:16:42,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2899 states, 2887 states have (on average 1.9217180464149637) internal successors, (5548), 2898 states have internal predecessors, (5548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:42,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 5548 transitions. [2022-03-15 15:16:42,413 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 5548 transitions. Word has length 172 [2022-03-15 15:16:42,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:42,414 INFO L470 AbstractCegarLoop]: Abstraction has 2899 states and 5548 transitions. [2022-03-15 15:16:42,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:42,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 5548 transitions. [2022-03-15 15:16:42,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:42,415 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:42,415 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:42,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-03-15 15:16:42,415 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:42,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:42,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1952573016, now seen corresponding path program 32 times [2022-03-15 15:16:42,415 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:42,415 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946287064] [2022-03-15 15:16:42,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:42,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:42,878 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:42,878 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946287064] [2022-03-15 15:16:42,878 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946287064] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:42,878 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:42,879 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:42,879 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157014948] [2022-03-15 15:16:42,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:42,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:42,879 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:42,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:42,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:42,879 INFO L87 Difference]: Start difference. First operand 2899 states and 5548 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:45,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:45,291 INFO L93 Difference]: Finished difference Result 3316 states and 6332 transitions. [2022-03-15 15:16:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 15:16:45,292 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:45,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:45,294 INFO L225 Difference]: With dead ends: 3316 [2022-03-15 15:16:45,295 INFO L226 Difference]: Without dead ends: 3316 [2022-03-15 15:16:45,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1889 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1110, Invalid=5370, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 15:16:45,295 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1528 mSDsluCounter, 3989 mSDsCounter, 0 mSdLazyCounter, 3086 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1528 SdHoareTripleChecker+Valid, 4297 SdHoareTripleChecker+Invalid, 3311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 3086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:45,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1528 Valid, 4297 Invalid, 3311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 3086 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:16:45,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3316 states. [2022-03-15 15:16:45,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3316 to 2893. [2022-03-15 15:16:45,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2893 states, 2881 states have (on average 1.9215550156195766) internal successors, (5536), 2892 states have internal predecessors, (5536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:45,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2893 states and 5536 transitions. [2022-03-15 15:16:45,317 INFO L78 Accepts]: Start accepts. Automaton has 2893 states and 5536 transitions. Word has length 172 [2022-03-15 15:16:45,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:45,317 INFO L470 AbstractCegarLoop]: Abstraction has 2893 states and 5536 transitions. [2022-03-15 15:16:45,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:45,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 5536 transitions. [2022-03-15 15:16:45,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:45,318 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:45,318 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:45,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-03-15 15:16:45,318 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:45,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:45,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1653183616, now seen corresponding path program 33 times [2022-03-15 15:16:45,319 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:45,319 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336809025] [2022-03-15 15:16:45,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:45,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:45,711 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:45,711 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336809025] [2022-03-15 15:16:45,711 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336809025] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:45,711 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:45,711 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:45,711 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172667342] [2022-03-15 15:16:45,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:45,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:45,711 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:45,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:45,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:45,711 INFO L87 Difference]: Start difference. First operand 2893 states and 5536 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:47,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:47,858 INFO L93 Difference]: Finished difference Result 3303 states and 6304 transitions. [2022-03-15 15:16:47,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 15:16:47,858 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:47,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:47,861 INFO L225 Difference]: With dead ends: 3303 [2022-03-15 15:16:47,861 INFO L226 Difference]: Without dead ends: 3303 [2022-03-15 15:16:47,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1886 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1094, Invalid=5386, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 15:16:47,862 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 1538 mSDsluCounter, 3207 mSDsCounter, 0 mSdLazyCounter, 2440 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1538 SdHoareTripleChecker+Valid, 3523 SdHoareTripleChecker+Invalid, 2676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 2440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:47,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1538 Valid, 3523 Invalid, 2676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 2440 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:16:47,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2022-03-15 15:16:47,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 2904. [2022-03-15 15:16:47,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2904 states, 2892 states have (on average 1.921853388658368) internal successors, (5558), 2903 states have internal predecessors, (5558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:47,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2904 states and 5558 transitions. [2022-03-15 15:16:47,888 INFO L78 Accepts]: Start accepts. Automaton has 2904 states and 5558 transitions. Word has length 172 [2022-03-15 15:16:47,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:47,888 INFO L470 AbstractCegarLoop]: Abstraction has 2904 states and 5558 transitions. [2022-03-15 15:16:47,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2904 states and 5558 transitions. [2022-03-15 15:16:47,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:47,889 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:47,889 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:47,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-03-15 15:16:47,889 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:47,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:47,890 INFO L85 PathProgramCache]: Analyzing trace with hash -310105636, now seen corresponding path program 34 times [2022-03-15 15:16:47,890 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:47,890 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068205648] [2022-03-15 15:16:47,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:47,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:48,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:48,430 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:48,430 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068205648] [2022-03-15 15:16:48,430 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068205648] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:48,430 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:48,430 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:48,430 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378714921] [2022-03-15 15:16:48,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:48,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:48,430 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:48,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:48,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:48,431 INFO L87 Difference]: Start difference. First operand 2904 states and 5558 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:50,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:50,783 INFO L93 Difference]: Finished difference Result 3604 states and 6905 transitions. [2022-03-15 15:16:50,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 15:16:50,783 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:50,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:50,787 INFO L225 Difference]: With dead ends: 3604 [2022-03-15 15:16:50,787 INFO L226 Difference]: Without dead ends: 3604 [2022-03-15 15:16:50,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1547 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=945, Invalid=4605, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 15:16:50,788 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 1598 mSDsluCounter, 3714 mSDsCounter, 0 mSdLazyCounter, 2654 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1598 SdHoareTripleChecker+Valid, 4015 SdHoareTripleChecker+Invalid, 2803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 2654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:50,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1598 Valid, 4015 Invalid, 2803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 2654 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:16:50,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3604 states. [2022-03-15 15:16:50,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3604 to 2946. [2022-03-15 15:16:50,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2934 states have (on average 1.9229720518064077) internal successors, (5642), 2945 states have internal predecessors, (5642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:50,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 5642 transitions. [2022-03-15 15:16:50,815 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 5642 transitions. Word has length 172 [2022-03-15 15:16:50,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:50,815 INFO L470 AbstractCegarLoop]: Abstraction has 2946 states and 5642 transitions. [2022-03-15 15:16:50,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:50,815 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 5642 transitions. [2022-03-15 15:16:50,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:50,816 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:50,817 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:50,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-03-15 15:16:50,817 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:50,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:50,817 INFO L85 PathProgramCache]: Analyzing trace with hash -523379626, now seen corresponding path program 35 times [2022-03-15 15:16:50,817 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:50,817 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558405776] [2022-03-15 15:16:50,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:50,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:51,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:51,561 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:51,561 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558405776] [2022-03-15 15:16:51,561 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558405776] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:51,561 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:51,561 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:51,561 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396562569] [2022-03-15 15:16:51,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:51,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:51,561 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:51,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:51,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:51,562 INFO L87 Difference]: Start difference. First operand 2946 states and 5642 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:55,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:55,455 INFO L93 Difference]: Finished difference Result 3648 states and 6991 transitions. [2022-03-15 15:16:55,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:16:55,455 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:55,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:55,459 INFO L225 Difference]: With dead ends: 3648 [2022-03-15 15:16:55,459 INFO L226 Difference]: Without dead ends: 3648 [2022-03-15 15:16:55,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1711 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1019, Invalid=4987, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 15:16:55,460 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 1762 mSDsluCounter, 3943 mSDsCounter, 0 mSdLazyCounter, 3171 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 4252 SdHoareTripleChecker+Invalid, 3334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 3171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:55,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1762 Valid, 4252 Invalid, 3334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 3171 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:16:55,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2022-03-15 15:16:55,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 2940. [2022-03-15 15:16:55,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2940 states, 2928 states have (on average 1.9228142076502732) internal successors, (5630), 2939 states have internal predecessors, (5630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:55,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 5630 transitions. [2022-03-15 15:16:55,485 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 5630 transitions. Word has length 172 [2022-03-15 15:16:55,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:55,486 INFO L470 AbstractCegarLoop]: Abstraction has 2940 states and 5630 transitions. [2022-03-15 15:16:55,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:55,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 5630 transitions. [2022-03-15 15:16:55,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:55,487 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:55,487 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:55,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-03-15 15:16:55,487 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:55,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:55,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1304625278, now seen corresponding path program 36 times [2022-03-15 15:16:55,487 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:55,487 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906569506] [2022-03-15 15:16:55,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:55,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:55,944 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:55,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906569506] [2022-03-15 15:16:55,945 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906569506] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:55,945 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:55,945 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:55,945 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164099814] [2022-03-15 15:16:55,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:55,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:55,945 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:55,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:55,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:55,945 INFO L87 Difference]: Start difference. First operand 2940 states and 5630 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:58,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:16:58,373 INFO L93 Difference]: Finished difference Result 3689 states and 7071 transitions. [2022-03-15 15:16:58,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 15:16:58,373 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:16:58,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:16:58,377 INFO L225 Difference]: With dead ends: 3689 [2022-03-15 15:16:58,377 INFO L226 Difference]: Without dead ends: 3689 [2022-03-15 15:16:58,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1901 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1054, Invalid=5426, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 15:16:58,378 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 1901 mSDsluCounter, 3879 mSDsCounter, 0 mSdLazyCounter, 3185 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 4197 SdHoareTripleChecker+Invalid, 3382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 3185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:16:58,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1901 Valid, 4197 Invalid, 3382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 3185 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:16:58,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2022-03-15 15:16:58,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 2934. [2022-03-15 15:16:58,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2934 states, 2922 states have (on average 1.9226557152635182) internal successors, (5618), 2933 states have internal predecessors, (5618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:58,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2934 states and 5618 transitions. [2022-03-15 15:16:58,402 INFO L78 Accepts]: Start accepts. Automaton has 2934 states and 5618 transitions. Word has length 172 [2022-03-15 15:16:58,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:16:58,402 INFO L470 AbstractCegarLoop]: Abstraction has 2934 states and 5618 transitions. [2022-03-15 15:16:58,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:16:58,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 5618 transitions. [2022-03-15 15:16:58,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:16:58,403 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:16:58,403 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:16:58,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-03-15 15:16:58,403 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:16:58,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:16:58,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1604014678, now seen corresponding path program 37 times [2022-03-15 15:16:58,404 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:16:58,404 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082137703] [2022-03-15 15:16:58,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:16:58,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:16:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:16:58,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:16:58,811 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:16:58,811 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082137703] [2022-03-15 15:16:58,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082137703] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:16:58,811 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:16:58,812 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:16:58,812 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527595433] [2022-03-15 15:16:58,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:16:58,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:16:58,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:16:58,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:16:58,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:16:58,812 INFO L87 Difference]: Start difference. First operand 2934 states and 5618 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:01,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:01,230 INFO L93 Difference]: Finished difference Result 3733 states and 7157 transitions. [2022-03-15 15:17:01,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-15 15:17:01,231 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:17:01,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:01,235 INFO L225 Difference]: With dead ends: 3733 [2022-03-15 15:17:01,235 INFO L226 Difference]: Without dead ends: 3733 [2022-03-15 15:17:01,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2026 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1094, Invalid=5712, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:17:01,236 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 1636 mSDsluCounter, 3951 mSDsCounter, 0 mSdLazyCounter, 3114 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 4277 SdHoareTripleChecker+Invalid, 3297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 3114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:01,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1636 Valid, 4277 Invalid, 3297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 3114 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:17:01,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3733 states. [2022-03-15 15:17:01,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3733 to 2928. [2022-03-15 15:17:01,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2928 states, 2916 states have (on average 1.9224965706447188) internal successors, (5606), 2927 states have internal predecessors, (5606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 5606 transitions. [2022-03-15 15:17:01,261 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 5606 transitions. Word has length 172 [2022-03-15 15:17:01,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:01,261 INFO L470 AbstractCegarLoop]: Abstraction has 2928 states and 5606 transitions. [2022-03-15 15:17:01,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 5606 transitions. [2022-03-15 15:17:01,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:17:01,262 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:01,262 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:01,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-03-15 15:17:01,262 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:01,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:01,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1379767682, now seen corresponding path program 38 times [2022-03-15 15:17:01,263 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:01,263 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789244010] [2022-03-15 15:17:01,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:01,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:01,687 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:01,687 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789244010] [2022-03-15 15:17:01,688 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789244010] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:01,688 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:01,688 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:01,688 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304373305] [2022-03-15 15:17:01,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:01,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:01,688 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:01,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:01,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:01,688 INFO L87 Difference]: Start difference. First operand 2928 states and 5606 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:04,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:04,207 INFO L93 Difference]: Finished difference Result 4747 states and 9105 transitions. [2022-03-15 15:17:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-15 15:17:04,208 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:17:04,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:04,213 INFO L225 Difference]: With dead ends: 4747 [2022-03-15 15:17:04,213 INFO L226 Difference]: Without dead ends: 4747 [2022-03-15 15:17:04,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2098 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1110, Invalid=5862, Unknown=0, NotChecked=0, Total=6972 [2022-03-15 15:17:04,214 INFO L933 BasicCegarLoop]: 363 mSDtfsCounter, 2230 mSDsluCounter, 4185 mSDsCounter, 0 mSdLazyCounter, 3338 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 4545 SdHoareTripleChecker+Invalid, 3519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 3338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:04,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2230 Valid, 4545 Invalid, 3519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 3338 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:17:04,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4747 states. [2022-03-15 15:17:04,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4747 to 2959. [2022-03-15 15:17:04,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2959 states, 2947 states have (on average 1.9233118425517475) internal successors, (5668), 2958 states have internal predecessors, (5668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2959 states and 5668 transitions. [2022-03-15 15:17:04,254 INFO L78 Accepts]: Start accepts. Automaton has 2959 states and 5668 transitions. Word has length 172 [2022-03-15 15:17:04,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:04,254 INFO L470 AbstractCegarLoop]: Abstraction has 2959 states and 5668 transitions. [2022-03-15 15:17:04,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:04,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 5668 transitions. [2022-03-15 15:17:04,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:17:04,255 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:04,255 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:04,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-03-15 15:17:04,255 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:04,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:04,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1006923965, now seen corresponding path program 90 times [2022-03-15 15:17:04,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:04,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281044548] [2022-03-15 15:17:04,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:04,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:04,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:04,641 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:04,641 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281044548] [2022-03-15 15:17:04,642 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281044548] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:04,642 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:04,642 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:04,642 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238907953] [2022-03-15 15:17:04,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:04,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:04,642 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:04,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:04,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:04,642 INFO L87 Difference]: Start difference. First operand 2959 states and 5668 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:07,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:07,635 INFO L93 Difference]: Finished difference Result 5155 states and 9845 transitions. [2022-03-15 15:17:07,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 15:17:07,635 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:17:07,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:07,640 INFO L225 Difference]: With dead ends: 5155 [2022-03-15 15:17:07,640 INFO L226 Difference]: Without dead ends: 5155 [2022-03-15 15:17:07,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1894 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=887, Invalid=5755, Unknown=0, NotChecked=0, Total=6642 [2022-03-15 15:17:07,641 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 2286 mSDsluCounter, 4739 mSDsCounter, 0 mSdLazyCounter, 4651 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2286 SdHoareTripleChecker+Valid, 5133 SdHoareTripleChecker+Invalid, 5036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 4651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:07,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2286 Valid, 5133 Invalid, 5036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 4651 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:17:07,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5155 states. [2022-03-15 15:17:07,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5155 to 2839. [2022-03-15 15:17:07,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2827 states have (on average 1.9200565970993986) internal successors, (5428), 2838 states have internal predecessors, (5428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:07,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 5428 transitions. [2022-03-15 15:17:07,668 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 5428 transitions. Word has length 172 [2022-03-15 15:17:07,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:07,668 INFO L470 AbstractCegarLoop]: Abstraction has 2839 states and 5428 transitions. [2022-03-15 15:17:07,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:07,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 5428 transitions. [2022-03-15 15:17:07,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:17:07,669 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:07,669 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:07,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-03-15 15:17:07,670 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:07,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:07,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1612304872, now seen corresponding path program 39 times [2022-03-15 15:17:07,670 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:07,670 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943063138] [2022-03-15 15:17:07,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:07,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:08,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:08,202 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:08,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943063138] [2022-03-15 15:17:08,202 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943063138] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:08,202 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:08,202 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:08,202 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483045824] [2022-03-15 15:17:08,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:08,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:08,203 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:08,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:08,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:08,203 INFO L87 Difference]: Start difference. First operand 2839 states and 5428 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:11,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:11,057 INFO L93 Difference]: Finished difference Result 4535 states and 8745 transitions. [2022-03-15 15:17:11,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:17:11,058 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:17:11,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:11,064 INFO L225 Difference]: With dead ends: 4535 [2022-03-15 15:17:11,064 INFO L226 Difference]: Without dead ends: 4535 [2022-03-15 15:17:11,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1637 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=918, Invalid=4934, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 15:17:11,065 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 1965 mSDsluCounter, 3833 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1965 SdHoareTripleChecker+Valid, 4166 SdHoareTripleChecker+Invalid, 3073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 2912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:11,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1965 Valid, 4166 Invalid, 3073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 2912 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:17:11,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4535 states. [2022-03-15 15:17:11,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4535 to 2847. [2022-03-15 15:17:11,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2847 states, 2835 states have (on average 1.9202821869488536) internal successors, (5444), 2846 states have internal predecessors, (5444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:11,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 5444 transitions. [2022-03-15 15:17:11,112 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 5444 transitions. Word has length 172 [2022-03-15 15:17:11,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:11,112 INFO L470 AbstractCegarLoop]: Abstraction has 2847 states and 5444 transitions. [2022-03-15 15:17:11,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:11,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 5444 transitions. [2022-03-15 15:17:11,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:17:11,113 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:11,113 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:11,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-03-15 15:17:11,113 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:11,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:11,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1825578862, now seen corresponding path program 40 times [2022-03-15 15:17:11,114 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:11,114 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241645081] [2022-03-15 15:17:11,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:11,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:11,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:11,743 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:11,743 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241645081] [2022-03-15 15:17:11,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241645081] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:11,744 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:11,744 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:11,744 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104621899] [2022-03-15 15:17:11,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:11,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:11,744 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:11,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:11,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:11,745 INFO L87 Difference]: Start difference. First operand 2847 states and 5444 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:14,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:14,640 INFO L93 Difference]: Finished difference Result 4529 states and 8733 transitions. [2022-03-15 15:17:14,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 15:17:14,641 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:17:14,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:14,646 INFO L225 Difference]: With dead ends: 4529 [2022-03-15 15:17:14,646 INFO L226 Difference]: Without dead ends: 4529 [2022-03-15 15:17:14,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1517 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=921, Invalid=4629, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 15:17:14,647 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 1808 mSDsluCounter, 4412 mSDsCounter, 0 mSdLazyCounter, 3287 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1808 SdHoareTripleChecker+Valid, 4746 SdHoareTripleChecker+Invalid, 3461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 3287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:14,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1808 Valid, 4746 Invalid, 3461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 3287 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:17:14,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4529 states. [2022-03-15 15:17:14,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4529 to 2858. [2022-03-15 15:17:14,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2858 states, 2846 states have (on average 1.9205903021784962) internal successors, (5466), 2857 states have internal predecessors, (5466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:14,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2858 states and 5466 transitions. [2022-03-15 15:17:14,673 INFO L78 Accepts]: Start accepts. Automaton has 2858 states and 5466 transitions. Word has length 172 [2022-03-15 15:17:14,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:14,673 INFO L470 AbstractCegarLoop]: Abstraction has 2858 states and 5466 transitions. [2022-03-15 15:17:14,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2858 states and 5466 transitions. [2022-03-15 15:17:14,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:17:14,674 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:14,674 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:14,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-03-15 15:17:14,674 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:14,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:14,675 INFO L85 PathProgramCache]: Analyzing trace with hash 2426042, now seen corresponding path program 41 times [2022-03-15 15:17:14,675 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:14,675 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967262250] [2022-03-15 15:17:14,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:14,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:15,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:15,147 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:15,147 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967262250] [2022-03-15 15:17:15,147 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967262250] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:15,147 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:15,147 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:15,147 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101105700] [2022-03-15 15:17:15,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:15,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:15,147 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:15,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:15,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:15,148 INFO L87 Difference]: Start difference. First operand 2858 states and 5466 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:18,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:18,012 INFO L93 Difference]: Finished difference Result 4620 states and 8911 transitions. [2022-03-15 15:17:18,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-15 15:17:18,012 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:17:18,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:18,016 INFO L225 Difference]: With dead ends: 4620 [2022-03-15 15:17:18,017 INFO L226 Difference]: Without dead ends: 4620 [2022-03-15 15:17:18,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1999 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1008, Invalid=5798, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:17:18,017 INFO L933 BasicCegarLoop]: 353 mSDtfsCounter, 1668 mSDsluCounter, 5035 mSDsCounter, 0 mSdLazyCounter, 4146 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1668 SdHoareTripleChecker+Valid, 5385 SdHoareTripleChecker+Invalid, 4334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 4146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:18,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1668 Valid, 5385 Invalid, 4334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 4146 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:17:18,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4620 states. [2022-03-15 15:17:18,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4620 to 2869. [2022-03-15 15:17:18,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2869 states, 2857 states have (on average 1.92089604480224) internal successors, (5488), 2868 states have internal predecessors, (5488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:18,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2869 states and 5488 transitions. [2022-03-15 15:17:18,043 INFO L78 Accepts]: Start accepts. Automaton has 2869 states and 5488 transitions. Word has length 172 [2022-03-15 15:17:18,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:18,043 INFO L470 AbstractCegarLoop]: Abstraction has 2869 states and 5488 transitions. [2022-03-15 15:17:18,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:18,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2869 states and 5488 transitions. [2022-03-15 15:17:18,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:17:18,044 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:18,045 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:18,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-03-15 15:17:18,045 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:18,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:18,045 INFO L85 PathProgramCache]: Analyzing trace with hash 301815442, now seen corresponding path program 42 times [2022-03-15 15:17:18,045 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:18,045 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252222903] [2022-03-15 15:17:18,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:18,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:18,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:18,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252222903] [2022-03-15 15:17:18,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252222903] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:18,464 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:18,464 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:18,464 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652144060] [2022-03-15 15:17:18,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:18,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:18,464 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:18,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:18,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:18,465 INFO L87 Difference]: Start difference. First operand 2869 states and 5488 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:21,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:21,049 INFO L93 Difference]: Finished difference Result 4664 states and 8997 transitions. [2022-03-15 15:17:21,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-15 15:17:21,050 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:17:21,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:21,055 INFO L225 Difference]: With dead ends: 4664 [2022-03-15 15:17:21,055 INFO L226 Difference]: Without dead ends: 4664 [2022-03-15 15:17:21,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2131 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1039, Invalid=6101, Unknown=0, NotChecked=0, Total=7140 [2022-03-15 15:17:21,056 INFO L933 BasicCegarLoop]: 361 mSDtfsCounter, 1854 mSDsluCounter, 4531 mSDsCounter, 0 mSdLazyCounter, 3604 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 4889 SdHoareTripleChecker+Invalid, 3850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 3604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:21,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1854 Valid, 4889 Invalid, 3850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 3604 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:17:21,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4664 states. [2022-03-15 15:17:21,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4664 to 2880. [2022-03-15 15:17:21,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2880 states, 2868 states have (on average 1.9211994421199443) internal successors, (5510), 2879 states have internal predecessors, (5510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:21,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 5510 transitions. [2022-03-15 15:17:21,084 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 5510 transitions. Word has length 172 [2022-03-15 15:17:21,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:21,084 INFO L470 AbstractCegarLoop]: Abstraction has 2880 states and 5510 transitions. [2022-03-15 15:17:21,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:21,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 5510 transitions. [2022-03-15 15:17:21,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:17:21,085 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:21,085 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:21,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2022-03-15 15:17:21,085 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:21,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:21,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1613000378, now seen corresponding path program 43 times [2022-03-15 15:17:21,086 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:21,086 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113108223] [2022-03-15 15:17:21,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:21,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:21,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:21,470 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:21,470 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113108223] [2022-03-15 15:17:21,470 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113108223] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:21,470 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:21,470 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:17:21,470 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251796872] [2022-03-15 15:17:21,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:21,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:17:21,470 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:21,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:17:21,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:17:21,471 INFO L87 Difference]: Start difference. First operand 2880 states and 5510 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:23,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:23,986 INFO L93 Difference]: Finished difference Result 5020 states and 9669 transitions. [2022-03-15 15:17:23,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-15 15:17:23,986 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:17:23,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:23,993 INFO L225 Difference]: With dead ends: 5020 [2022-03-15 15:17:23,993 INFO L226 Difference]: Without dead ends: 5020 [2022-03-15 15:17:23,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1824 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=781, Invalid=6025, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:17:23,994 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 1616 mSDsluCounter, 5425 mSDsCounter, 0 mSdLazyCounter, 4427 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 5815 SdHoareTripleChecker+Invalid, 4538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 4427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:23,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1616 Valid, 5815 Invalid, 4538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 4427 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:17:23,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5020 states. [2022-03-15 15:17:24,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5020 to 2911. [2022-03-15 15:17:24,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2911 states, 2899 states have (on average 1.922042083477061) internal successors, (5572), 2910 states have internal predecessors, (5572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:24,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2911 states and 5572 transitions. [2022-03-15 15:17:24,033 INFO L78 Accepts]: Start accepts. Automaton has 2911 states and 5572 transitions. Word has length 172 [2022-03-15 15:17:24,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:24,033 INFO L470 AbstractCegarLoop]: Abstraction has 2911 states and 5572 transitions. [2022-03-15 15:17:24,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:24,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2911 states and 5572 transitions. [2022-03-15 15:17:24,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:17:24,034 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:24,035 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:24,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2022-03-15 15:17:24,035 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:24,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:24,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1985844095, now seen corresponding path program 91 times [2022-03-15 15:17:24,035 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:24,035 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107027048] [2022-03-15 15:17:24,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:24,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:24,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:24,419 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:24,419 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107027048] [2022-03-15 15:17:24,419 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107027048] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:24,419 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:24,419 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:24,419 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543794147] [2022-03-15 15:17:24,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:24,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:24,419 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:24,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:24,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:24,420 INFO L87 Difference]: Start difference. First operand 2911 states and 5572 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:27,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:27,180 INFO L93 Difference]: Finished difference Result 5391 states and 10336 transitions. [2022-03-15 15:17:27,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 15:17:27,181 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:17:27,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:27,186 INFO L225 Difference]: With dead ends: 5391 [2022-03-15 15:17:27,186 INFO L226 Difference]: Without dead ends: 5391 [2022-03-15 15:17:27,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1656 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=858, Invalid=5622, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 15:17:27,187 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 1908 mSDsluCounter, 5398 mSDsCounter, 0 mSdLazyCounter, 4676 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1908 SdHoareTripleChecker+Valid, 5846 SdHoareTripleChecker+Invalid, 4901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 4676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:27,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1908 Valid, 5846 Invalid, 4901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 4676 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:17:27,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5391 states. [2022-03-15 15:17:27,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5391 to 2749. [2022-03-15 15:17:27,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2749 states, 2737 states have (on average 1.917427840701498) internal successors, (5248), 2748 states have internal predecessors, (5248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:27,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2749 states and 5248 transitions. [2022-03-15 15:17:27,219 INFO L78 Accepts]: Start accepts. Automaton has 2749 states and 5248 transitions. Word has length 172 [2022-03-15 15:17:27,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:27,219 INFO L470 AbstractCegarLoop]: Abstraction has 2749 states and 5248 transitions. [2022-03-15 15:17:27,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:27,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 5248 transitions. [2022-03-15 15:17:27,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:17:27,220 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:27,220 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:27,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2022-03-15 15:17:27,220 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:27,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:27,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1143714724, now seen corresponding path program 44 times [2022-03-15 15:17:27,220 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:27,220 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722443062] [2022-03-15 15:17:27,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:27,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:27,574 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:27,574 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722443062] [2022-03-15 15:17:27,574 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722443062] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:27,574 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:27,574 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:27,574 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826145920] [2022-03-15 15:17:27,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:27,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:27,575 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:27,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:27,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:27,575 INFO L87 Difference]: Start difference. First operand 2749 states and 5248 transitions. Second operand has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:29,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:29,579 INFO L93 Difference]: Finished difference Result 5081 states and 9729 transitions. [2022-03-15 15:17:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-15 15:17:29,579 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:17:29,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:29,584 INFO L225 Difference]: With dead ends: 5081 [2022-03-15 15:17:29,584 INFO L226 Difference]: Without dead ends: 5081 [2022-03-15 15:17:29,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1855 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=802, Invalid=6004, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:17:29,585 INFO L933 BasicCegarLoop]: 441 mSDtfsCounter, 1661 mSDsluCounter, 4565 mSDsCounter, 0 mSdLazyCounter, 2929 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 5003 SdHoareTripleChecker+Invalid, 3033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:29,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1661 Valid, 5003 Invalid, 3033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2929 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:17:29,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5081 states. [2022-03-15 15:17:29,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5081 to 2676. [2022-03-15 15:17:29,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2676 states, 2666 states have (on average 1.915603900975244) internal successors, (5107), 2675 states have internal predecessors, (5107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:29,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 5107 transitions. [2022-03-15 15:17:29,610 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 5107 transitions. Word has length 172 [2022-03-15 15:17:29,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:29,610 INFO L470 AbstractCegarLoop]: Abstraction has 2676 states and 5107 transitions. [2022-03-15 15:17:29,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.166666666666667) internal successors, (172), 25 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:29,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 5107 transitions. [2022-03-15 15:17:29,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:17:29,611 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:29,611 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:29,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2022-03-15 15:17:29,611 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:29,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:29,612 INFO L85 PathProgramCache]: Analyzing trace with hash -770871007, now seen corresponding path program 92 times [2022-03-15 15:17:29,612 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:29,612 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301496197] [2022-03-15 15:17:29,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:29,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:29,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:29,977 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:29,977 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301496197] [2022-03-15 15:17:29,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301496197] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:29,977 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:29,977 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:17:29,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392357513] [2022-03-15 15:17:29,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:29,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:17:29,977 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:29,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:17:29,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:17:29,978 INFO L87 Difference]: Start difference. First operand 2676 states and 5107 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:32,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:32,995 INFO L93 Difference]: Finished difference Result 6145 states and 11724 transitions. [2022-03-15 15:17:32,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-03-15 15:17:32,996 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:17:32,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:33,002 INFO L225 Difference]: With dead ends: 6145 [2022-03-15 15:17:33,002 INFO L226 Difference]: Without dead ends: 6145 [2022-03-15 15:17:33,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2215 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=990, Invalid=7020, Unknown=0, NotChecked=0, Total=8010 [2022-03-15 15:17:33,003 INFO L933 BasicCegarLoop]: 472 mSDtfsCounter, 1792 mSDsluCounter, 6092 mSDsCounter, 0 mSdLazyCounter, 5119 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1792 SdHoareTripleChecker+Valid, 6558 SdHoareTripleChecker+Invalid, 5334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 5119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:33,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1792 Valid, 6558 Invalid, 5334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 5119 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:17:33,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6145 states. [2022-03-15 15:17:33,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6145 to 2568. [2022-03-15 15:17:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2568 states, 2558 states have (on average 1.912040656763096) internal successors, (4891), 2567 states have internal predecessors, (4891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:33,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 2568 states and 4891 transitions. [2022-03-15 15:17:33,033 INFO L78 Accepts]: Start accepts. Automaton has 2568 states and 4891 transitions. Word has length 172 [2022-03-15 15:17:33,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:33,033 INFO L470 AbstractCegarLoop]: Abstraction has 2568 states and 4891 transitions. [2022-03-15 15:17:33,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 4891 transitions. [2022-03-15 15:17:33,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:17:33,034 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:33,034 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:33,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2022-03-15 15:17:33,034 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:33,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:33,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1196576829, now seen corresponding path program 93 times [2022-03-15 15:17:33,034 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:33,034 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575622290] [2022-03-15 15:17:33,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:33,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:33,432 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:33,432 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575622290] [2022-03-15 15:17:33,432 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575622290] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:33,432 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:33,432 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:17:33,432 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879070582] [2022-03-15 15:17:33,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:33,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:17:33,433 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:33,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:17:33,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:17:33,433 INFO L87 Difference]: Start difference. First operand 2568 states and 4891 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:36,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:36,847 INFO L93 Difference]: Finished difference Result 5501 states and 10500 transitions. [2022-03-15 15:17:36,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-15 15:17:36,847 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:17:36,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:36,853 INFO L225 Difference]: With dead ends: 5501 [2022-03-15 15:17:36,853 INFO L226 Difference]: Without dead ends: 5501 [2022-03-15 15:17:36,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2103 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1007, Invalid=6825, Unknown=0, NotChecked=0, Total=7832 [2022-03-15 15:17:36,853 INFO L933 BasicCegarLoop]: 485 mSDtfsCounter, 1776 mSDsluCounter, 6790 mSDsCounter, 0 mSdLazyCounter, 6167 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 7268 SdHoareTripleChecker+Invalid, 6385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 6167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:36,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1776 Valid, 7268 Invalid, 6385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 6167 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-03-15 15:17:36,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5501 states. [2022-03-15 15:17:36,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5501 to 2562. [2022-03-15 15:17:36,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2562 states, 2552 states have (on average 1.911833855799373) internal successors, (4879), 2561 states have internal predecessors, (4879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:36,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 4879 transitions. [2022-03-15 15:17:36,881 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 4879 transitions. Word has length 172 [2022-03-15 15:17:36,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:36,881 INFO L470 AbstractCegarLoop]: Abstraction has 2562 states and 4879 transitions. [2022-03-15 15:17:36,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:36,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 4879 transitions. [2022-03-15 15:17:36,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-03-15 15:17:36,882 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:36,883 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:36,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2022-03-15 15:17:36,883 INFO L402 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:36,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:36,883 INFO L85 PathProgramCache]: Analyzing trace with hash -260514137, now seen corresponding path program 94 times [2022-03-15 15:17:36,883 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:36,883 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589687858] [2022-03-15 15:17:36,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:36,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:37,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:37,256 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:37,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589687858] [2022-03-15 15:17:37,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589687858] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:37,257 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:37,257 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-15 15:17:37,257 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221958445] [2022-03-15 15:17:37,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:37,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-15 15:17:37,257 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:37,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-15 15:17:37,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-03-15 15:17:37,257 INFO L87 Difference]: Start difference. First operand 2562 states and 4879 transitions. Second operand has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:41,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:41,298 INFO L93 Difference]: Finished difference Result 5465 states and 10428 transitions. [2022-03-15 15:17:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-15 15:17:41,298 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2022-03-15 15:17:41,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:41,304 INFO L225 Difference]: With dead ends: 5465 [2022-03-15 15:17:41,304 INFO L226 Difference]: Without dead ends: 5465 [2022-03-15 15:17:41,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2236 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1036, Invalid=7154, Unknown=0, NotChecked=0, Total=8190 [2022-03-15 15:17:41,318 INFO L933 BasicCegarLoop]: 503 mSDtfsCounter, 1613 mSDsluCounter, 8011 mSDsCounter, 0 mSdLazyCounter, 7561 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 8506 SdHoareTripleChecker+Invalid, 7800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 7561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:41,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1613 Valid, 8506 Invalid, 7800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 7561 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-03-15 15:17:41,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5465 states. [2022-03-15 15:17:41,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5465 to 2349. [2022-03-15 15:17:41,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2349 states, 2340 states have (on average 1.902991452991453) internal successors, (4453), 2348 states have internal predecessors, (4453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:41,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 4453 transitions. [2022-03-15 15:17:41,344 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 4453 transitions. Word has length 172 [2022-03-15 15:17:41,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:41,344 INFO L470 AbstractCegarLoop]: Abstraction has 2349 states and 4453 transitions. [2022-03-15 15:17:41,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.615384615384615) internal successors, (172), 27 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:41,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 4453 transitions. [2022-03-15 15:17:41,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:17:41,345 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:41,345 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:41,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2022-03-15 15:17:41,346 INFO L402 AbstractCegarLoop]: === Iteration 200 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:41,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:41,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1730185453, now seen corresponding path program 1 times [2022-03-15 15:17:41,346 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:41,346 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288370665] [2022-03-15 15:17:41,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:41,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:41,824 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:41,824 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288370665] [2022-03-15 15:17:41,824 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288370665] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:41,824 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:41,824 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:41,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950738395] [2022-03-15 15:17:41,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:41,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:41,824 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:41,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:41,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:41,824 INFO L87 Difference]: Start difference. First operand 2349 states and 4453 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:43,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:43,465 INFO L93 Difference]: Finished difference Result 4388 states and 8485 transitions. [2022-03-15 15:17:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-15 15:17:43,466 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:17:43,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:43,470 INFO L225 Difference]: With dead ends: 4388 [2022-03-15 15:17:43,470 INFO L226 Difference]: Without dead ends: 4388 [2022-03-15 15:17:43,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=534, Invalid=2328, Unknown=0, NotChecked=0, Total=2862 [2022-03-15 15:17:43,470 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 1647 mSDsluCounter, 2764 mSDsCounter, 0 mSdLazyCounter, 2280 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 2985 SdHoareTripleChecker+Invalid, 2428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 2280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:43,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1647 Valid, 2985 Invalid, 2428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 2280 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:17:43,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4388 states. [2022-03-15 15:17:43,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4388 to 2488. [2022-03-15 15:17:43,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2488 states, 2479 states have (on average 1.9084308188785801) internal successors, (4731), 2487 states have internal predecessors, (4731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:43,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2488 states and 4731 transitions. [2022-03-15 15:17:43,502 INFO L78 Accepts]: Start accepts. Automaton has 2488 states and 4731 transitions. Word has length 180 [2022-03-15 15:17:43,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:43,503 INFO L470 AbstractCegarLoop]: Abstraction has 2488 states and 4731 transitions. [2022-03-15 15:17:43,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:43,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 4731 transitions. [2022-03-15 15:17:43,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:17:43,504 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:43,505 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:43,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2022-03-15 15:17:43,505 INFO L402 AbstractCegarLoop]: === Iteration 201 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:43,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:43,505 INFO L85 PathProgramCache]: Analyzing trace with hash 846828911, now seen corresponding path program 2 times [2022-03-15 15:17:43,505 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:43,505 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029652929] [2022-03-15 15:17:43,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:43,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:44,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:44,071 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:44,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029652929] [2022-03-15 15:17:44,071 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029652929] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:44,071 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:44,071 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:44,071 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408224466] [2022-03-15 15:17:44,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:44,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:44,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:44,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:44,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:44,072 INFO L87 Difference]: Start difference. First operand 2488 states and 4731 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:46,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:46,453 INFO L93 Difference]: Finished difference Result 4601 states and 8873 transitions. [2022-03-15 15:17:46,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 15:17:46,453 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:17:46,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:46,458 INFO L225 Difference]: With dead ends: 4601 [2022-03-15 15:17:46,458 INFO L226 Difference]: Without dead ends: 4601 [2022-03-15 15:17:46,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1006 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=795, Invalid=3365, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:17:46,459 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 1951 mSDsluCounter, 3378 mSDsCounter, 0 mSdLazyCounter, 2743 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 3599 SdHoareTripleChecker+Invalid, 2962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 2743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:46,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1951 Valid, 3599 Invalid, 2962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 2743 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:17:46,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2022-03-15 15:17:46,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 2515. [2022-03-15 15:17:46,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2515 states, 2506 states have (on average 1.909417398244214) internal successors, (4785), 2514 states have internal predecessors, (4785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 4785 transitions. [2022-03-15 15:17:46,486 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 4785 transitions. Word has length 180 [2022-03-15 15:17:46,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:46,486 INFO L470 AbstractCegarLoop]: Abstraction has 2515 states and 4785 transitions. [2022-03-15 15:17:46,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 4785 transitions. [2022-03-15 15:17:46,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:17:46,488 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:46,488 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:46,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2022-03-15 15:17:46,488 INFO L402 AbstractCegarLoop]: === Iteration 202 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:46,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:46,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1421064685, now seen corresponding path program 3 times [2022-03-15 15:17:46,488 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:46,488 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803236770] [2022-03-15 15:17:46,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:46,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:46,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:46,923 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:46,923 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803236770] [2022-03-15 15:17:46,923 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803236770] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:46,923 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:46,923 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:46,923 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655235190] [2022-03-15 15:17:46,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:46,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:46,923 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:46,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:46,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:46,924 INFO L87 Difference]: Start difference. First operand 2515 states and 4785 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:48,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:48,840 INFO L93 Difference]: Finished difference Result 4497 states and 8697 transitions. [2022-03-15 15:17:48,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 15:17:48,840 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:17:48,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:48,845 INFO L225 Difference]: With dead ends: 4497 [2022-03-15 15:17:48,845 INFO L226 Difference]: Without dead ends: 4497 [2022-03-15 15:17:48,846 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=628, Invalid=2794, Unknown=0, NotChecked=0, Total=3422 [2022-03-15 15:17:48,846 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 1449 mSDsluCounter, 3783 mSDsCounter, 0 mSdLazyCounter, 3018 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 4020 SdHoareTripleChecker+Invalid, 3185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 3018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:48,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1449 Valid, 4020 Invalid, 3185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 3018 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:17:48,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4497 states. [2022-03-15 15:17:48,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4497 to 2522. [2022-03-15 15:17:48,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2522 states, 2513 states have (on average 1.9096697174691604) internal successors, (4799), 2521 states have internal predecessors, (4799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:48,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 4799 transitions. [2022-03-15 15:17:48,875 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 4799 transitions. Word has length 180 [2022-03-15 15:17:48,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:48,875 INFO L470 AbstractCegarLoop]: Abstraction has 2522 states and 4799 transitions. [2022-03-15 15:17:48,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:48,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 4799 transitions. [2022-03-15 15:17:48,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:17:48,877 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:48,877 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:48,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2022-03-15 15:17:48,877 INFO L402 AbstractCegarLoop]: === Iteration 203 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:48,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:48,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1153474253, now seen corresponding path program 4 times [2022-03-15 15:17:48,877 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:48,877 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072914052] [2022-03-15 15:17:48,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:48,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:49,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:49,330 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:49,330 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072914052] [2022-03-15 15:17:49,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072914052] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:49,331 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:49,331 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:49,331 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111021647] [2022-03-15 15:17:49,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:49,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:49,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:49,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:49,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:49,332 INFO L87 Difference]: Start difference. First operand 2522 states and 4799 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:51,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:51,184 INFO L93 Difference]: Finished difference Result 4531 states and 8763 transitions. [2022-03-15 15:17:51,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 15:17:51,185 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:17:51,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:51,189 INFO L225 Difference]: With dead ends: 4531 [2022-03-15 15:17:51,189 INFO L226 Difference]: Without dead ends: 4531 [2022-03-15 15:17:51,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=672, Invalid=2988, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 15:17:51,190 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 1567 mSDsluCounter, 3388 mSDsCounter, 0 mSdLazyCounter, 2801 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1567 SdHoareTripleChecker+Valid, 3633 SdHoareTripleChecker+Invalid, 2991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 2801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:51,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1567 Valid, 3633 Invalid, 2991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 2801 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:17:51,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4531 states. [2022-03-15 15:17:51,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4531 to 2529. [2022-03-15 15:17:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2529 states, 2520 states have (on average 1.909920634920635) internal successors, (4813), 2528 states have internal predecessors, (4813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 4813 transitions. [2022-03-15 15:17:51,214 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 4813 transitions. Word has length 180 [2022-03-15 15:17:51,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:51,214 INFO L470 AbstractCegarLoop]: Abstraction has 2529 states and 4813 transitions. [2022-03-15 15:17:51,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 4813 transitions. [2022-03-15 15:17:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:17:51,216 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:51,216 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:51,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2022-03-15 15:17:51,216 INFO L402 AbstractCegarLoop]: === Iteration 204 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:51,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:51,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1942093131, now seen corresponding path program 5 times [2022-03-15 15:17:51,216 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:51,216 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469785749] [2022-03-15 15:17:51,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:51,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:51,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:51,717 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:51,717 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469785749] [2022-03-15 15:17:51,717 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469785749] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:51,717 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:51,717 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:51,717 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828099863] [2022-03-15 15:17:51,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:51,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:51,718 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:51,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:51,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:51,718 INFO L87 Difference]: Start difference. First operand 2529 states and 4813 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:53,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:53,100 INFO L93 Difference]: Finished difference Result 5042 states and 9711 transitions. [2022-03-15 15:17:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-15 15:17:53,100 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:17:53,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:53,105 INFO L225 Difference]: With dead ends: 5042 [2022-03-15 15:17:53,105 INFO L226 Difference]: Without dead ends: 5042 [2022-03-15 15:17:53,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=485, Invalid=2377, Unknown=0, NotChecked=0, Total=2862 [2022-03-15 15:17:53,106 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 1405 mSDsluCounter, 2122 mSDsCounter, 0 mSdLazyCounter, 1788 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1405 SdHoareTripleChecker+Valid, 2367 SdHoareTripleChecker+Invalid, 1936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:53,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1405 Valid, 2367 Invalid, 1936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1788 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:17:53,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5042 states. [2022-03-15 15:17:53,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5042 to 2599. [2022-03-15 15:17:53,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2599 states, 2590 states have (on average 1.9123552123552123) internal successors, (4953), 2598 states have internal predecessors, (4953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:53,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2599 states and 4953 transitions. [2022-03-15 15:17:53,134 INFO L78 Accepts]: Start accepts. Automaton has 2599 states and 4953 transitions. Word has length 180 [2022-03-15 15:17:53,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:53,134 INFO L470 AbstractCegarLoop]: Abstraction has 2599 states and 4953 transitions. [2022-03-15 15:17:53,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:53,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 4953 transitions. [2022-03-15 15:17:53,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:17:53,135 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:53,135 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:53,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2022-03-15 15:17:53,135 INFO L402 AbstractCegarLoop]: === Iteration 205 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:53,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:53,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1155238615, now seen corresponding path program 6 times [2022-03-15 15:17:53,136 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:53,136 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159136806] [2022-03-15 15:17:53,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:53,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:53,641 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:53,641 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159136806] [2022-03-15 15:17:53,641 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159136806] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:53,641 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:53,641 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:53,641 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900735110] [2022-03-15 15:17:53,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:53,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:53,641 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:53,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:53,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:53,642 INFO L87 Difference]: Start difference. First operand 2599 states and 4953 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:55,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:55,615 INFO L93 Difference]: Finished difference Result 5144 states and 9913 transitions. [2022-03-15 15:17:55,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-15 15:17:55,616 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:17:55,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:55,621 INFO L225 Difference]: With dead ends: 5144 [2022-03-15 15:17:55,621 INFO L226 Difference]: Without dead ends: 5144 [2022-03-15 15:17:55,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=595, Invalid=3065, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 15:17:55,622 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 1393 mSDsluCounter, 3458 mSDsCounter, 0 mSdLazyCounter, 2650 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 3711 SdHoareTripleChecker+Invalid, 2776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 2650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:55,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1393 Valid, 3711 Invalid, 2776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 2650 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:17:55,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5144 states. [2022-03-15 15:17:55,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5144 to 2611. [2022-03-15 15:17:55,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2611 states, 2602 states have (on average 1.9127594158339738) internal successors, (4977), 2610 states have internal predecessors, (4977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:55,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 4977 transitions. [2022-03-15 15:17:55,663 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 4977 transitions. Word has length 180 [2022-03-15 15:17:55,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:55,663 INFO L470 AbstractCegarLoop]: Abstraction has 2611 states and 4977 transitions. [2022-03-15 15:17:55,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:55,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 4977 transitions. [2022-03-15 15:17:55,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:17:55,665 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:55,665 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:55,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2022-03-15 15:17:55,665 INFO L402 AbstractCegarLoop]: === Iteration 206 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:55,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:55,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1385198039, now seen corresponding path program 7 times [2022-03-15 15:17:55,666 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:55,666 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139846320] [2022-03-15 15:17:55,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:55,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:56,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:56,154 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:56,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139846320] [2022-03-15 15:17:56,155 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139846320] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:56,155 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:56,155 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:56,155 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082466875] [2022-03-15 15:17:56,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:56,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:56,155 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:56,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:56,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:56,155 INFO L87 Difference]: Start difference. First operand 2611 states and 4977 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:57,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:17:57,945 INFO L93 Difference]: Finished difference Result 5204 states and 10030 transitions. [2022-03-15 15:17:57,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-15 15:17:57,945 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:17:57,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:17:57,949 INFO L225 Difference]: With dead ends: 5204 [2022-03-15 15:17:57,949 INFO L226 Difference]: Without dead ends: 5204 [2022-03-15 15:17:57,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 882 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=646, Invalid=3260, Unknown=0, NotChecked=0, Total=3906 [2022-03-15 15:17:57,950 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 1829 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 2311 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 3222 SdHoareTripleChecker+Invalid, 2468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 2311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:17:57,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1829 Valid, 3222 Invalid, 2468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 2311 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:17:57,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5204 states. [2022-03-15 15:17:57,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5204 to 2629. [2022-03-15 15:17:57,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2629 states, 2620 states have (on average 1.9133587786259543) internal successors, (5013), 2628 states have internal predecessors, (5013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 5013 transitions. [2022-03-15 15:17:57,976 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 5013 transitions. Word has length 180 [2022-03-15 15:17:57,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:17:57,976 INFO L470 AbstractCegarLoop]: Abstraction has 2629 states and 5013 transitions. [2022-03-15 15:17:57,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:17:57,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 5013 transitions. [2022-03-15 15:17:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:17:57,978 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:17:57,978 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:17:57,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2022-03-15 15:17:57,978 INFO L402 AbstractCegarLoop]: === Iteration 207 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:17:57,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:17:57,978 INFO L85 PathProgramCache]: Analyzing trace with hash -958703993, now seen corresponding path program 8 times [2022-03-15 15:17:57,978 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:17:57,978 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777391438] [2022-03-15 15:17:57,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:17:57,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:17:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:17:58,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:17:58,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:17:58,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777391438] [2022-03-15 15:17:58,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777391438] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:17:58,464 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:17:58,464 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:17:58,464 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834004603] [2022-03-15 15:17:58,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:17:58,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:17:58,464 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:17:58,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:17:58,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:17:58,465 INFO L87 Difference]: Start difference. First operand 2629 states and 5013 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:00,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:00,585 INFO L93 Difference]: Finished difference Result 4237 states and 8123 transitions. [2022-03-15 15:18:00,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 15:18:00,585 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:00,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:00,589 INFO L225 Difference]: With dead ends: 4237 [2022-03-15 15:18:00,589 INFO L226 Difference]: Without dead ends: 4237 [2022-03-15 15:18:00,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 999 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=684, Invalid=3738, Unknown=0, NotChecked=0, Total=4422 [2022-03-15 15:18:00,590 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 1710 mSDsluCounter, 4077 mSDsCounter, 0 mSdLazyCounter, 3168 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1710 SdHoareTripleChecker+Valid, 4387 SdHoareTripleChecker+Invalid, 3319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 3168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:00,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1710 Valid, 4387 Invalid, 3319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 3168 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:18:00,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4237 states. [2022-03-15 15:18:00,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4237 to 2603. [2022-03-15 15:18:00,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2603 states, 2594 states have (on average 1.912490362374711) internal successors, (4961), 2602 states have internal predecessors, (4961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:00,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 4961 transitions. [2022-03-15 15:18:00,613 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 4961 transitions. Word has length 180 [2022-03-15 15:18:00,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:00,614 INFO L470 AbstractCegarLoop]: Abstraction has 2603 states and 4961 transitions. [2022-03-15 15:18:00,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:00,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 4961 transitions. [2022-03-15 15:18:00,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:00,615 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:00,615 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:00,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2022-03-15 15:18:00,615 INFO L402 AbstractCegarLoop]: === Iteration 208 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:00,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:00,615 INFO L85 PathProgramCache]: Analyzing trace with hash -2100227311, now seen corresponding path program 9 times [2022-03-15 15:18:00,615 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:00,615 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153755501] [2022-03-15 15:18:00,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:00,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:01,096 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:01,096 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153755501] [2022-03-15 15:18:01,096 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153755501] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:01,096 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:01,096 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:01,097 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302803259] [2022-03-15 15:18:01,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:01,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:01,097 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:01,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:01,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:01,097 INFO L87 Difference]: Start difference. First operand 2603 states and 4961 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:02,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:02,879 INFO L93 Difference]: Finished difference Result 3593 states and 6924 transitions. [2022-03-15 15:18:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 15:18:02,880 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:02,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:02,883 INFO L225 Difference]: With dead ends: 3593 [2022-03-15 15:18:02,883 INFO L226 Difference]: Without dead ends: 3593 [2022-03-15 15:18:02,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 960 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=698, Invalid=3462, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:18:02,884 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 1319 mSDsluCounter, 3350 mSDsCounter, 0 mSdLazyCounter, 2426 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 3602 SdHoareTripleChecker+Invalid, 2569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 2426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:02,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1319 Valid, 3602 Invalid, 2569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 2426 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:18:02,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3593 states. [2022-03-15 15:18:02,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3593 to 2689. [2022-03-15 15:18:02,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2689 states, 2680 states have (on average 1.9152985074626865) internal successors, (5133), 2688 states have internal predecessors, (5133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 5133 transitions. [2022-03-15 15:18:02,909 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 5133 transitions. Word has length 180 [2022-03-15 15:18:02,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:02,909 INFO L470 AbstractCegarLoop]: Abstraction has 2689 states and 5133 transitions. [2022-03-15 15:18:02,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:02,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 5133 transitions. [2022-03-15 15:18:02,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:02,911 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:02,911 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:02,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2022-03-15 15:18:02,911 INFO L402 AbstractCegarLoop]: === Iteration 209 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:02,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:02,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1311383443, now seen corresponding path program 10 times [2022-03-15 15:18:02,911 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:02,911 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515845776] [2022-03-15 15:18:02,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:02,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:03,463 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:03,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515845776] [2022-03-15 15:18:03,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515845776] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:03,463 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:03,463 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:03,463 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759995929] [2022-03-15 15:18:03,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:03,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:03,463 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:03,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:03,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:03,464 INFO L87 Difference]: Start difference. First operand 2689 states and 5133 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:06,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:06,009 INFO L93 Difference]: Finished difference Result 4562 states and 8804 transitions. [2022-03-15 15:18:06,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:18:06,009 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:06,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:06,014 INFO L225 Difference]: With dead ends: 4562 [2022-03-15 15:18:06,014 INFO L226 Difference]: Without dead ends: 4562 [2022-03-15 15:18:06,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=769, Invalid=3521, Unknown=0, NotChecked=0, Total=4290 [2022-03-15 15:18:06,015 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 1435 mSDsluCounter, 3965 mSDsCounter, 0 mSdLazyCounter, 3066 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1435 SdHoareTripleChecker+Valid, 4222 SdHoareTripleChecker+Invalid, 3239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 3066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:06,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1435 Valid, 4222 Invalid, 3239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 3066 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:18:06,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4562 states. [2022-03-15 15:18:06,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4562 to 2685. [2022-03-15 15:18:06,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2685 states, 2676 states have (on average 1.9151718983557549) internal successors, (5125), 2684 states have internal predecessors, (5125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:06,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2685 states and 5125 transitions. [2022-03-15 15:18:06,053 INFO L78 Accepts]: Start accepts. Automaton has 2685 states and 5125 transitions. Word has length 180 [2022-03-15 15:18:06,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:06,054 INFO L470 AbstractCegarLoop]: Abstraction has 2685 states and 5125 transitions. [2022-03-15 15:18:06,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:06,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 5125 transitions. [2022-03-15 15:18:06,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:06,055 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:06,055 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:06,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2022-03-15 15:18:06,055 INFO L402 AbstractCegarLoop]: === Iteration 210 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:06,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:06,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1885619217, now seen corresponding path program 11 times [2022-03-15 15:18:06,056 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:06,056 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518220304] [2022-03-15 15:18:06,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:06,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:06,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:06,488 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:06,488 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518220304] [2022-03-15 15:18:06,488 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518220304] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:06,488 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:06,488 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:06,488 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034414136] [2022-03-15 15:18:06,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:06,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:06,489 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:06,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:06,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:06,489 INFO L87 Difference]: Start difference. First operand 2685 states and 5125 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:08,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:08,616 INFO L93 Difference]: Finished difference Result 3681 states and 7094 transitions. [2022-03-15 15:18:08,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 15:18:08,616 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:08,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:08,620 INFO L225 Difference]: With dead ends: 3681 [2022-03-15 15:18:08,620 INFO L226 Difference]: Without dead ends: 3681 [2022-03-15 15:18:08,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1152 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=733, Invalid=3959, Unknown=0, NotChecked=0, Total=4692 [2022-03-15 15:18:08,621 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 1482 mSDsluCounter, 4095 mSDsCounter, 0 mSdLazyCounter, 3182 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1482 SdHoareTripleChecker+Valid, 4364 SdHoareTripleChecker+Invalid, 3368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 3182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:08,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1482 Valid, 4364 Invalid, 3368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 3182 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:18:08,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3681 states. [2022-03-15 15:18:08,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3681 to 2679. [2022-03-15 15:18:08,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2679 states, 2670 states have (on average 1.9149812734082396) internal successors, (5113), 2678 states have internal predecessors, (5113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:08,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2679 states and 5113 transitions. [2022-03-15 15:18:08,643 INFO L78 Accepts]: Start accepts. Automaton has 2679 states and 5113 transitions. Word has length 180 [2022-03-15 15:18:08,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:08,644 INFO L470 AbstractCegarLoop]: Abstraction has 2679 states and 5113 transitions. [2022-03-15 15:18:08,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 5113 transitions. [2022-03-15 15:18:08,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:08,645 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:08,645 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:08,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2022-03-15 15:18:08,645 INFO L402 AbstractCegarLoop]: === Iteration 211 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:08,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:08,646 INFO L85 PathProgramCache]: Analyzing trace with hash -688919721, now seen corresponding path program 12 times [2022-03-15 15:18:08,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:08,646 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855409144] [2022-03-15 15:18:08,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:08,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:09,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:09,086 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:09,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855409144] [2022-03-15 15:18:09,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855409144] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:09,086 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:09,086 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:09,086 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646677477] [2022-03-15 15:18:09,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:09,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:09,087 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:09,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:09,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:09,087 INFO L87 Difference]: Start difference. First operand 2679 states and 5113 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:11,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:11,109 INFO L93 Difference]: Finished difference Result 3676 states and 7081 transitions. [2022-03-15 15:18:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 15:18:11,109 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:11,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:11,113 INFO L225 Difference]: With dead ends: 3676 [2022-03-15 15:18:11,113 INFO L226 Difference]: Without dead ends: 3676 [2022-03-15 15:18:11,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1208 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=736, Invalid=4094, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:18:11,114 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 1351 mSDsluCounter, 3468 mSDsCounter, 0 mSdLazyCounter, 2821 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 3745 SdHoareTripleChecker+Invalid, 3036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 2821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:11,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1351 Valid, 3745 Invalid, 3036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 2821 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:18:11,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2022-03-15 15:18:11,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 2599. [2022-03-15 15:18:11,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2599 states, 2590 states have (on average 1.9123552123552123) internal successors, (4953), 2598 states have internal predecessors, (4953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:11,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2599 states and 4953 transitions. [2022-03-15 15:18:11,136 INFO L78 Accepts]: Start accepts. Automaton has 2599 states and 4953 transitions. Word has length 180 [2022-03-15 15:18:11,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:11,136 INFO L470 AbstractCegarLoop]: Abstraction has 2599 states and 4953 transitions. [2022-03-15 15:18:11,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:11,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 4953 transitions. [2022-03-15 15:18:11,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:11,138 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:11,138 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:11,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2022-03-15 15:18:11,138 INFO L402 AbstractCegarLoop]: === Iteration 212 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:11,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:11,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1753458733, now seen corresponding path program 13 times [2022-03-15 15:18:11,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:11,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147110159] [2022-03-15 15:18:11,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:11,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:11,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:11,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:11,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147110159] [2022-03-15 15:18:11,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147110159] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:11,602 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:11,602 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:11,602 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768424228] [2022-03-15 15:18:11,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:11,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:11,603 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:11,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:11,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:11,603 INFO L87 Difference]: Start difference. First operand 2599 states and 4953 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:13,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:13,587 INFO L93 Difference]: Finished difference Result 4209 states and 8102 transitions. [2022-03-15 15:18:13,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:18:13,587 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:13,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:13,592 INFO L225 Difference]: With dead ends: 4209 [2022-03-15 15:18:13,592 INFO L226 Difference]: Without dead ends: 4209 [2022-03-15 15:18:13,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1592 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=919, Invalid=4933, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 15:18:13,593 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 1967 mSDsluCounter, 2972 mSDsCounter, 0 mSdLazyCounter, 2157 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1967 SdHoareTripleChecker+Valid, 3245 SdHoareTripleChecker+Invalid, 2344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 2157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:13,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1967 Valid, 3245 Invalid, 2344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 2157 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:18:13,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4209 states. [2022-03-15 15:18:13,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4209 to 2673. [2022-03-15 15:18:13,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2673 states, 2664 states have (on average 1.9147897897897899) internal successors, (5101), 2672 states have internal predecessors, (5101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:13,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2673 states and 5101 transitions. [2022-03-15 15:18:13,620 INFO L78 Accepts]: Start accepts. Automaton has 2673 states and 5101 transitions. Word has length 180 [2022-03-15 15:18:13,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:13,620 INFO L470 AbstractCegarLoop]: Abstraction has 2673 states and 5101 transitions. [2022-03-15 15:18:13,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:13,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 5101 transitions. [2022-03-15 15:18:13,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:13,622 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:13,622 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:13,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2022-03-15 15:18:13,622 INFO L402 AbstractCegarLoop]: === Iteration 213 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:13,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:13,622 INFO L85 PathProgramCache]: Analyzing trace with hash 870102191, now seen corresponding path program 14 times [2022-03-15 15:18:13,622 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:13,622 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852372878] [2022-03-15 15:18:13,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:13,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:14,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:14,207 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:14,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852372878] [2022-03-15 15:18:14,207 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852372878] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:14,207 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:14,207 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:14,207 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695902636] [2022-03-15 15:18:14,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:14,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:14,207 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:14,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:14,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:14,208 INFO L87 Difference]: Start difference. First operand 2673 states and 5101 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:16,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:16,812 INFO L93 Difference]: Finished difference Result 4949 states and 9568 transitions. [2022-03-15 15:18:16,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 15:18:16,812 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:16,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:16,817 INFO L225 Difference]: With dead ends: 4949 [2022-03-15 15:18:16,817 INFO L226 Difference]: Without dead ends: 4949 [2022-03-15 15:18:16,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1346 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=928, Invalid=4184, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:18:16,817 INFO L933 BasicCegarLoop]: 281 mSDtfsCounter, 2142 mSDsluCounter, 3589 mSDsCounter, 0 mSdLazyCounter, 2830 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2142 SdHoareTripleChecker+Valid, 3867 SdHoareTripleChecker+Invalid, 3055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 2830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:16,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2142 Valid, 3867 Invalid, 3055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 2830 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:18:16,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4949 states. [2022-03-15 15:18:16,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4949 to 2669. [2022-03-15 15:18:16,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2669 states, 2660 states have (on average 1.9146616541353383) internal successors, (5093), 2668 states have internal predecessors, (5093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:16,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2669 states and 5093 transitions. [2022-03-15 15:18:16,844 INFO L78 Accepts]: Start accepts. Automaton has 2669 states and 5093 transitions. Word has length 180 [2022-03-15 15:18:16,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:16,844 INFO L470 AbstractCegarLoop]: Abstraction has 2669 states and 5093 transitions. [2022-03-15 15:18:16,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:16,844 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 5093 transitions. [2022-03-15 15:18:16,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:16,846 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:16,846 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:16,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2022-03-15 15:18:16,846 INFO L402 AbstractCegarLoop]: === Iteration 214 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:16,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:16,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1444337965, now seen corresponding path program 15 times [2022-03-15 15:18:16,846 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:16,846 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331697684] [2022-03-15 15:18:16,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:16,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:17,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:17,291 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:17,291 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331697684] [2022-03-15 15:18:17,291 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331697684] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:17,291 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:17,291 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:17,291 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808528772] [2022-03-15 15:18:17,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:17,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:17,292 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:17,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:17,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:17,292 INFO L87 Difference]: Start difference. First operand 2669 states and 5093 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:19,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:19,653 INFO L93 Difference]: Finished difference Result 4297 states and 8272 transitions. [2022-03-15 15:18:19,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-15 15:18:19,653 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:19,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:19,658 INFO L225 Difference]: With dead ends: 4297 [2022-03-15 15:18:19,658 INFO L226 Difference]: Without dead ends: 4297 [2022-03-15 15:18:19,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1961 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=991, Invalid=5815, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:18:19,658 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1667 mSDsluCounter, 3847 mSDsCounter, 0 mSdLazyCounter, 2946 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1667 SdHoareTripleChecker+Valid, 4137 SdHoareTripleChecker+Invalid, 3166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 2946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:19,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1667 Valid, 4137 Invalid, 3166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 2946 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:18:19,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2022-03-15 15:18:19,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 2663. [2022-03-15 15:18:19,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2654 states have (on average 1.9144687264506406) internal successors, (5081), 2662 states have internal predecessors, (5081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:19,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 5081 transitions. [2022-03-15 15:18:19,686 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 5081 transitions. Word has length 180 [2022-03-15 15:18:19,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:19,686 INFO L470 AbstractCegarLoop]: Abstraction has 2663 states and 5081 transitions. [2022-03-15 15:18:19,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:19,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 5081 transitions. [2022-03-15 15:18:19,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:19,688 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:19,688 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:19,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2022-03-15 15:18:19,688 INFO L402 AbstractCegarLoop]: === Iteration 215 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:19,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:19,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1130200973, now seen corresponding path program 16 times [2022-03-15 15:18:19,688 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:19,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910462754] [2022-03-15 15:18:19,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:19,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:20,120 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:20,120 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910462754] [2022-03-15 15:18:20,120 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910462754] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:20,120 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:20,120 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:20,120 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169661629] [2022-03-15 15:18:20,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:20,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:20,120 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:20,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:20,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:20,121 INFO L87 Difference]: Start difference. First operand 2663 states and 5081 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:22,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:22,605 INFO L93 Difference]: Finished difference Result 4267 states and 8214 transitions. [2022-03-15 15:18:22,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-15 15:18:22,605 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:22,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:22,610 INFO L225 Difference]: With dead ends: 4267 [2022-03-15 15:18:22,610 INFO L226 Difference]: Without dead ends: 4267 [2022-03-15 15:18:22,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2098 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1015, Invalid=6125, Unknown=0, NotChecked=0, Total=7140 [2022-03-15 15:18:22,611 INFO L933 BasicCegarLoop]: 301 mSDtfsCounter, 1675 mSDsluCounter, 4119 mSDsCounter, 0 mSdLazyCounter, 3247 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 4417 SdHoareTripleChecker+Invalid, 3488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 3247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:22,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1675 Valid, 4417 Invalid, 3488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 3247 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:18:22,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4267 states. [2022-03-15 15:18:22,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4267 to 2587. [2022-03-15 15:18:22,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2587 states, 2578 states have (on average 1.9119472459270752) internal successors, (4929), 2586 states have internal predecessors, (4929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:22,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2587 states and 4929 transitions. [2022-03-15 15:18:22,635 INFO L78 Accepts]: Start accepts. Automaton has 2587 states and 4929 transitions. Word has length 180 [2022-03-15 15:18:22,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:22,636 INFO L470 AbstractCegarLoop]: Abstraction has 2587 states and 4929 transitions. [2022-03-15 15:18:22,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:22,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2587 states and 4929 transitions. [2022-03-15 15:18:22,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:22,637 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:22,637 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:22,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2022-03-15 15:18:22,637 INFO L402 AbstractCegarLoop]: === Iteration 216 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:22,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:22,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1542267821, now seen corresponding path program 17 times [2022-03-15 15:18:22,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:22,638 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510802674] [2022-03-15 15:18:22,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:22,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:23,120 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:23,120 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510802674] [2022-03-15 15:18:23,120 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510802674] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:23,120 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:23,120 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:23,120 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3908799] [2022-03-15 15:18:23,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:23,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:23,121 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:23,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:23,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:23,121 INFO L87 Difference]: Start difference. First operand 2587 states and 4929 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:25,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:25,367 INFO L93 Difference]: Finished difference Result 3339 states and 6379 transitions. [2022-03-15 15:18:25,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 15:18:25,368 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:25,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:25,371 INFO L225 Difference]: With dead ends: 3339 [2022-03-15 15:18:25,371 INFO L226 Difference]: Without dead ends: 3339 [2022-03-15 15:18:25,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1504 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=945, Invalid=4605, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 15:18:25,371 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 1851 mSDsluCounter, 3314 mSDsCounter, 0 mSdLazyCounter, 2572 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 3615 SdHoareTripleChecker+Invalid, 2734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:25,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1851 Valid, 3615 Invalid, 2734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 2572 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:18:25,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3339 states. [2022-03-15 15:18:25,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3339 to 2653. [2022-03-15 15:18:25,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2653 states, 2644 states have (on average 1.9141452344931922) internal successors, (5061), 2652 states have internal predecessors, (5061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:25,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2653 states and 5061 transitions. [2022-03-15 15:18:25,394 INFO L78 Accepts]: Start accepts. Automaton has 2653 states and 5061 transitions. Word has length 180 [2022-03-15 15:18:25,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:25,394 INFO L470 AbstractCegarLoop]: Abstraction has 2653 states and 5061 transitions. [2022-03-15 15:18:25,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:25,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 5061 transitions. [2022-03-15 15:18:25,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:25,395 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:25,395 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:25,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2022-03-15 15:18:25,396 INFO L402 AbstractCegarLoop]: === Iteration 217 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:25,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:25,396 INFO L85 PathProgramCache]: Analyzing trace with hash 658911279, now seen corresponding path program 18 times [2022-03-15 15:18:25,396 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:25,396 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574960443] [2022-03-15 15:18:25,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:25,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:25,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:25,857 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:25,857 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574960443] [2022-03-15 15:18:25,857 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574960443] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:25,857 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:25,857 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:25,857 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232101300] [2022-03-15 15:18:25,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:25,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:25,857 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:25,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:25,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:25,858 INFO L87 Difference]: Start difference. First operand 2653 states and 5061 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:28,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:28,283 INFO L93 Difference]: Finished difference Result 3371 states and 6441 transitions. [2022-03-15 15:18:28,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 15:18:28,283 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:28,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:28,287 INFO L225 Difference]: With dead ends: 3371 [2022-03-15 15:18:28,287 INFO L226 Difference]: Without dead ends: 3371 [2022-03-15 15:18:28,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1721 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1031, Invalid=5131, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 15:18:28,288 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 1563 mSDsluCounter, 4259 mSDsCounter, 0 mSdLazyCounter, 3176 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1563 SdHoareTripleChecker+Valid, 4568 SdHoareTripleChecker+Invalid, 3328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 3176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:28,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1563 Valid, 4568 Invalid, 3328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 3176 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:18:28,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3371 states. [2022-03-15 15:18:28,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3371 to 2647. [2022-03-15 15:18:28,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2647 states, 2638 states have (on average 1.9139499620924942) internal successors, (5049), 2646 states have internal predecessors, (5049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:28,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 5049 transitions. [2022-03-15 15:18:28,313 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 5049 transitions. Word has length 180 [2022-03-15 15:18:28,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:28,313 INFO L470 AbstractCegarLoop]: Abstraction has 2647 states and 5049 transitions. [2022-03-15 15:18:28,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:28,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 5049 transitions. [2022-03-15 15:18:28,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:28,314 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:28,314 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:28,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2022-03-15 15:18:28,315 INFO L402 AbstractCegarLoop]: === Iteration 218 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:28,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:28,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1713758709, now seen corresponding path program 19 times [2022-03-15 15:18:28,315 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:28,315 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556339130] [2022-03-15 15:18:28,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:28,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:28,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:28,878 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:28,878 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556339130] [2022-03-15 15:18:28,878 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556339130] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:28,878 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:28,878 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:28,878 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518501418] [2022-03-15 15:18:28,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:28,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:28,879 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:28,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:28,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:28,879 INFO L87 Difference]: Start difference. First operand 2647 states and 5049 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:31,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:31,883 INFO L93 Difference]: Finished difference Result 3431 states and 6557 transitions. [2022-03-15 15:18:31,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 15:18:31,884 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:31,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:31,887 INFO L225 Difference]: With dead ends: 3431 [2022-03-15 15:18:31,887 INFO L226 Difference]: Without dead ends: 3431 [2022-03-15 15:18:31,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1847 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1054, Invalid=5426, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 15:18:31,887 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 1849 mSDsluCounter, 3967 mSDsCounter, 0 mSdLazyCounter, 3308 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 4285 SdHoareTripleChecker+Invalid, 3481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 3308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:31,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1849 Valid, 4285 Invalid, 3481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 3308 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:18:31,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3431 states. [2022-03-15 15:18:31,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3431 to 2641. [2022-03-15 15:18:31,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2641 states, 2632 states have (on average 1.9137537993920972) internal successors, (5037), 2640 states have internal predecessors, (5037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:31,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 2641 states and 5037 transitions. [2022-03-15 15:18:31,909 INFO L78 Accepts]: Start accepts. Automaton has 2641 states and 5037 transitions. Word has length 180 [2022-03-15 15:18:31,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:31,909 INFO L470 AbstractCegarLoop]: Abstraction has 2641 states and 5037 transitions. [2022-03-15 15:18:31,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:31,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 5037 transitions. [2022-03-15 15:18:31,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:31,910 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:31,910 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:31,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2022-03-15 15:18:31,911 INFO L402 AbstractCegarLoop]: === Iteration 219 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:31,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:31,911 INFO L85 PathProgramCache]: Analyzing trace with hash 6669649, now seen corresponding path program 20 times [2022-03-15 15:18:31,911 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:31,911 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526987477] [2022-03-15 15:18:31,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:31,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:32,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:32,351 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:32,351 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526987477] [2022-03-15 15:18:32,351 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526987477] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:32,351 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:32,351 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:32,351 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690910727] [2022-03-15 15:18:32,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:32,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:32,352 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:32,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:32,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:32,352 INFO L87 Difference]: Start difference. First operand 2641 states and 5037 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:34,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:34,712 INFO L93 Difference]: Finished difference Result 3480 states and 6652 transitions. [2022-03-15 15:18:34,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-15 15:18:34,713 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:34,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:34,716 INFO L225 Difference]: With dead ends: 3480 [2022-03-15 15:18:34,716 INFO L226 Difference]: Without dead ends: 3480 [2022-03-15 15:18:34,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1971 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1094, Invalid=5712, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:18:34,717 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 1720 mSDsluCounter, 3805 mSDsCounter, 0 mSdLazyCounter, 2933 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1720 SdHoareTripleChecker+Valid, 4131 SdHoareTripleChecker+Invalid, 3140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 2933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:34,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1720 Valid, 4131 Invalid, 3140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 2933 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:18:34,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3480 states. [2022-03-15 15:18:34,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3480 to 2587. [2022-03-15 15:18:34,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2587 states, 2578 states have (on average 1.9119472459270752) internal successors, (4929), 2586 states have internal predecessors, (4929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:34,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2587 states and 4929 transitions. [2022-03-15 15:18:34,739 INFO L78 Accepts]: Start accepts. Automaton has 2587 states and 4929 transitions. Word has length 180 [2022-03-15 15:18:34,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:34,739 INFO L470 AbstractCegarLoop]: Abstraction has 2587 states and 4929 transitions. [2022-03-15 15:18:34,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:34,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2587 states and 4929 transitions. [2022-03-15 15:18:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:34,740 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:34,741 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:34,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2022-03-15 15:18:34,741 INFO L402 AbstractCegarLoop]: === Iteration 220 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:34,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:34,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1192730263, now seen corresponding path program 21 times [2022-03-15 15:18:34,741 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:34,741 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552720378] [2022-03-15 15:18:34,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:34,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:35,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:35,268 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:35,268 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552720378] [2022-03-15 15:18:35,268 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552720378] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:35,268 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:35,268 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:35,268 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290200574] [2022-03-15 15:18:35,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:35,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:35,268 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:35,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:35,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:35,269 INFO L87 Difference]: Start difference. First operand 2587 states and 4929 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:38,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:38,423 INFO L93 Difference]: Finished difference Result 4362 states and 8340 transitions. [2022-03-15 15:18:38,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-15 15:18:38,423 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:38,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:38,436 INFO L225 Difference]: With dead ends: 4362 [2022-03-15 15:18:38,436 INFO L226 Difference]: Without dead ends: 4362 [2022-03-15 15:18:38,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2041 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1110, Invalid=5862, Unknown=0, NotChecked=0, Total=6972 [2022-03-15 15:18:38,437 INFO L933 BasicCegarLoop]: 364 mSDtfsCounter, 1884 mSDsluCounter, 4704 mSDsCounter, 0 mSdLazyCounter, 3490 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 5065 SdHoareTripleChecker+Invalid, 3661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 3490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:38,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1884 Valid, 5065 Invalid, 3661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 3490 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:18:38,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4362 states. [2022-03-15 15:18:38,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4362 to 2445. [2022-03-15 15:18:38,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2445 states, 2436 states have (on average 1.9068144499178983) internal successors, (4645), 2444 states have internal predecessors, (4645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:38,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2445 states and 4645 transitions. [2022-03-15 15:18:38,467 INFO L78 Accepts]: Start accepts. Automaton has 2445 states and 4645 transitions. Word has length 180 [2022-03-15 15:18:38,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:38,467 INFO L470 AbstractCegarLoop]: Abstraction has 2445 states and 4645 transitions. [2022-03-15 15:18:38,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:38,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 4645 transitions. [2022-03-15 15:18:38,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:38,468 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:38,468 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:38,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2022-03-15 15:18:38,468 INFO L402 AbstractCegarLoop]: === Iteration 221 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:38,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:38,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1005519021, now seen corresponding path program 22 times [2022-03-15 15:18:38,469 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:38,469 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485591582] [2022-03-15 15:18:38,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:38,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:39,018 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:39,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485591582] [2022-03-15 15:18:39,018 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485591582] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:39,018 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:39,018 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:39,018 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613219231] [2022-03-15 15:18:39,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:39,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:39,019 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:39,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:39,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:39,019 INFO L87 Difference]: Start difference. First operand 2445 states and 4645 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:41,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:41,079 INFO L93 Difference]: Finished difference Result 2751 states and 5211 transitions. [2022-03-15 15:18:41,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:18:41,079 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:41,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:41,082 INFO L225 Difference]: With dead ends: 2751 [2022-03-15 15:18:41,082 INFO L226 Difference]: Without dead ends: 2751 [2022-03-15 15:18:41,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1560 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1000, Invalid=4700, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 15:18:41,083 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 1782 mSDsluCounter, 3054 mSDsCounter, 0 mSdLazyCounter, 2228 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 3389 SdHoareTripleChecker+Invalid, 2447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 2228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:41,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1782 Valid, 3389 Invalid, 2447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 2228 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:18:41,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2751 states. [2022-03-15 15:18:41,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2751 to 2445. [2022-03-15 15:18:41,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2445 states, 2436 states have (on average 1.9068144499178983) internal successors, (4645), 2444 states have internal predecessors, (4645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:41,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2445 states and 4645 transitions. [2022-03-15 15:18:41,103 INFO L78 Accepts]: Start accepts. Automaton has 2445 states and 4645 transitions. Word has length 180 [2022-03-15 15:18:41,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:41,103 INFO L470 AbstractCegarLoop]: Abstraction has 2445 states and 4645 transitions. [2022-03-15 15:18:41,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:41,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 4645 transitions. [2022-03-15 15:18:41,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:41,104 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:41,105 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:41,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2022-03-15 15:18:41,105 INFO L402 AbstractCegarLoop]: === Iteration 222 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:41,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:41,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1571875839, now seen corresponding path program 23 times [2022-03-15 15:18:41,105 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:41,105 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703193481] [2022-03-15 15:18:41,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:41,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:41,610 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:41,610 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703193481] [2022-03-15 15:18:41,610 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703193481] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:41,610 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:41,610 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:41,611 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117686332] [2022-03-15 15:18:41,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:41,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:41,611 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:41,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:41,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:41,611 INFO L87 Difference]: Start difference. First operand 2445 states and 4645 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:44,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:44,003 INFO L93 Difference]: Finished difference Result 2783 states and 5274 transitions. [2022-03-15 15:18:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 15:18:44,004 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:44,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:44,006 INFO L225 Difference]: With dead ends: 2783 [2022-03-15 15:18:44,006 INFO L226 Difference]: Without dead ends: 2783 [2022-03-15 15:18:44,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1729 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1115, Invalid=5047, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 15:18:44,006 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 1647 mSDsluCounter, 3897 mSDsCounter, 0 mSdLazyCounter, 2868 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 4233 SdHoareTripleChecker+Invalid, 3070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 2868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:44,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1647 Valid, 4233 Invalid, 3070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 2868 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:18:44,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2783 states. [2022-03-15 15:18:44,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2783 to 2451. [2022-03-15 15:18:44,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2451 states, 2442 states have (on average 1.907043407043407) internal successors, (4657), 2450 states have internal predecessors, (4657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:44,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2451 states and 4657 transitions. [2022-03-15 15:18:44,025 INFO L78 Accepts]: Start accepts. Automaton has 2451 states and 4657 transitions. Word has length 180 [2022-03-15 15:18:44,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:44,025 INFO L470 AbstractCegarLoop]: Abstraction has 2451 states and 4657 transitions. [2022-03-15 15:18:44,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:44,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 4657 transitions. [2022-03-15 15:18:44,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:44,026 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:44,026 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:44,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2022-03-15 15:18:44,027 INFO L402 AbstractCegarLoop]: === Iteration 223 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:44,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:44,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1721240749, now seen corresponding path program 24 times [2022-03-15 15:18:44,027 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:44,027 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883841991] [2022-03-15 15:18:44,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:44,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:44,626 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:44,626 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883841991] [2022-03-15 15:18:44,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883841991] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:44,626 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:44,626 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:44,626 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635491217] [2022-03-15 15:18:44,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:44,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:44,627 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:44,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:44,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:44,627 INFO L87 Difference]: Start difference. First operand 2451 states and 4657 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:46,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:46,907 INFO L93 Difference]: Finished difference Result 3107 states and 5937 transitions. [2022-03-15 15:18:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 15:18:46,907 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:46,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:46,910 INFO L225 Difference]: With dead ends: 3107 [2022-03-15 15:18:46,910 INFO L226 Difference]: Without dead ends: 3107 [2022-03-15 15:18:46,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1086 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=813, Invalid=3609, Unknown=0, NotChecked=0, Total=4422 [2022-03-15 15:18:46,911 INFO L933 BasicCegarLoop]: 346 mSDtfsCounter, 1558 mSDsluCounter, 3475 mSDsCounter, 0 mSdLazyCounter, 2545 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 3818 SdHoareTripleChecker+Invalid, 2766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 2545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:46,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1558 Valid, 3818 Invalid, 2766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 2545 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:18:46,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3107 states. [2022-03-15 15:18:46,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3107 to 2445. [2022-03-15 15:18:46,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2445 states, 2436 states have (on average 1.9068144499178983) internal successors, (4645), 2444 states have internal predecessors, (4645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:46,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2445 states and 4645 transitions. [2022-03-15 15:18:46,932 INFO L78 Accepts]: Start accepts. Automaton has 2445 states and 4645 transitions. Word has length 180 [2022-03-15 15:18:46,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:46,933 INFO L470 AbstractCegarLoop]: Abstraction has 2445 states and 4645 transitions. [2022-03-15 15:18:46,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:46,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 4645 transitions. [2022-03-15 15:18:46,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:46,934 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:46,934 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:46,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2022-03-15 15:18:46,934 INFO L402 AbstractCegarLoop]: === Iteration 224 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:46,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:46,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1736912395, now seen corresponding path program 25 times [2022-03-15 15:18:46,934 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:46,934 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188652361] [2022-03-15 15:18:46,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:46,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:47,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:47,435 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:47,435 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188652361] [2022-03-15 15:18:47,435 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188652361] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:47,435 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:47,435 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:47,435 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177733267] [2022-03-15 15:18:47,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:47,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:47,436 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:47,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:47,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:47,436 INFO L87 Difference]: Start difference. First operand 2445 states and 4645 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:49,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:49,815 INFO L93 Difference]: Finished difference Result 2784 states and 5277 transitions. [2022-03-15 15:18:49,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:18:49,816 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:49,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:49,819 INFO L225 Difference]: With dead ends: 2784 [2022-03-15 15:18:49,819 INFO L226 Difference]: Without dead ends: 2784 [2022-03-15 15:18:49,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1615 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1046, Invalid=4806, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 15:18:49,820 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1629 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2881 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1629 SdHoareTripleChecker+Valid, 4150 SdHoareTripleChecker+Invalid, 3104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 2881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:49,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1629 Valid, 4150 Invalid, 3104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 2881 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:18:49,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2022-03-15 15:18:49,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2457. [2022-03-15 15:18:49,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2457 states, 2448 states have (on average 1.9072712418300655) internal successors, (4669), 2456 states have internal predecessors, (4669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:49,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2457 states and 4669 transitions. [2022-03-15 15:18:49,846 INFO L78 Accepts]: Start accepts. Automaton has 2457 states and 4669 transitions. Word has length 180 [2022-03-15 15:18:49,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:49,846 INFO L470 AbstractCegarLoop]: Abstraction has 2457 states and 4669 transitions. [2022-03-15 15:18:49,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:49,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 4669 transitions. [2022-03-15 15:18:49,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:49,847 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:49,847 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:49,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2022-03-15 15:18:49,847 INFO L402 AbstractCegarLoop]: === Iteration 225 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:49,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:49,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1556204193, now seen corresponding path program 26 times [2022-03-15 15:18:49,848 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:49,848 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359410813] [2022-03-15 15:18:49,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:49,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:50,494 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:50,494 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359410813] [2022-03-15 15:18:50,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359410813] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:50,495 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:50,495 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:50,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893438291] [2022-03-15 15:18:50,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:50,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:50,495 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:50,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:50,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:50,495 INFO L87 Difference]: Start difference. First operand 2457 states and 4669 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:53,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:53,101 INFO L93 Difference]: Finished difference Result 3173 states and 6064 transitions. [2022-03-15 15:18:53,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:18:53,101 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:53,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:53,104 INFO L225 Difference]: With dead ends: 3173 [2022-03-15 15:18:53,104 INFO L226 Difference]: Without dead ends: 3173 [2022-03-15 15:18:53,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=791, Invalid=3499, Unknown=0, NotChecked=0, Total=4290 [2022-03-15 15:18:53,105 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 1592 mSDsluCounter, 4408 mSDsCounter, 0 mSdLazyCounter, 3350 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 4740 SdHoareTripleChecker+Invalid, 3564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 3350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:53,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1592 Valid, 4740 Invalid, 3564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 3350 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:18:53,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3173 states. [2022-03-15 15:18:53,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3173 to 2464. [2022-03-15 15:18:53,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 2455 states have (on average 1.9075356415478615) internal successors, (4683), 2463 states have internal predecessors, (4683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:53,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 4683 transitions. [2022-03-15 15:18:53,125 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 4683 transitions. Word has length 180 [2022-03-15 15:18:53,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:53,125 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 4683 transitions. [2022-03-15 15:18:53,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 4683 transitions. [2022-03-15 15:18:53,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:53,126 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:53,127 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:53,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2022-03-15 15:18:53,127 INFO L402 AbstractCegarLoop]: === Iteration 226 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:53,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:53,127 INFO L85 PathProgramCache]: Analyzing trace with hash 276221473, now seen corresponding path program 27 times [2022-03-15 15:18:53,127 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:53,127 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555608132] [2022-03-15 15:18:53,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:53,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:53,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:53,620 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:53,620 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555608132] [2022-03-15 15:18:53,620 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555608132] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:53,620 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:53,620 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:53,620 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067585389] [2022-03-15 15:18:53,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:53,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:53,620 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:53,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:53,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:53,621 INFO L87 Difference]: Start difference. First operand 2464 states and 4683 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:55,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:55,742 INFO L93 Difference]: Finished difference Result 2810 states and 5329 transitions. [2022-03-15 15:18:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 15:18:55,742 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:55,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:55,745 INFO L225 Difference]: With dead ends: 2810 [2022-03-15 15:18:55,745 INFO L226 Difference]: Without dead ends: 2810 [2022-03-15 15:18:55,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1500 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=980, Invalid=4570, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 15:18:55,746 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1650 mSDsluCounter, 3098 mSDsCounter, 0 mSdLazyCounter, 2333 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 3389 SdHoareTripleChecker+Invalid, 2552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 2333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:55,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1650 Valid, 3389 Invalid, 2552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 2333 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:18:55,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2022-03-15 15:18:55,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2482. [2022-03-15 15:18:55,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2482 states, 2473 states have (on average 1.9082086534573393) internal successors, (4719), 2481 states have internal predecessors, (4719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:55,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2482 states and 4719 transitions. [2022-03-15 15:18:55,766 INFO L78 Accepts]: Start accepts. Automaton has 2482 states and 4719 transitions. Word has length 180 [2022-03-15 15:18:55,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:55,766 INFO L470 AbstractCegarLoop]: Abstraction has 2482 states and 4719 transitions. [2022-03-15 15:18:55,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 4719 transitions. [2022-03-15 15:18:55,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:55,767 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:55,768 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:55,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2022-03-15 15:18:55,768 INFO L402 AbstractCegarLoop]: === Iteration 227 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:55,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:55,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1278072181, now seen corresponding path program 28 times [2022-03-15 15:18:55,768 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:55,768 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852211526] [2022-03-15 15:18:55,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:55,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:56,379 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:56,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852211526] [2022-03-15 15:18:56,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852211526] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:56,379 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:56,379 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:18:56,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073105639] [2022-03-15 15:18:56,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:56,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:18:56,379 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:56,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:18:56,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:18:56,380 INFO L87 Difference]: Start difference. First operand 2482 states and 4719 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:58,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:18:58,804 INFO L93 Difference]: Finished difference Result 3255 states and 6228 transitions. [2022-03-15 15:18:58,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 15:18:58,804 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:18:58,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:18:58,807 INFO L225 Difference]: With dead ends: 3255 [2022-03-15 15:18:58,807 INFO L226 Difference]: Without dead ends: 3255 [2022-03-15 15:18:58,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=731, Invalid=3301, Unknown=0, NotChecked=0, Total=4032 [2022-03-15 15:18:58,808 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 1406 mSDsluCounter, 3969 mSDsCounter, 0 mSdLazyCounter, 3006 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 4272 SdHoareTripleChecker+Invalid, 3224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 3006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:18:58,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1406 Valid, 4272 Invalid, 3224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 3006 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:18:58,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3255 states. [2022-03-15 15:18:58,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3255 to 2478. [2022-03-15 15:18:58,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2478 states, 2469 states have (on average 1.9080599432968812) internal successors, (4711), 2477 states have internal predecessors, (4711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:58,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2478 states and 4711 transitions. [2022-03-15 15:18:58,827 INFO L78 Accepts]: Start accepts. Automaton has 2478 states and 4711 transitions. Word has length 180 [2022-03-15 15:18:58,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:18:58,827 INFO L470 AbstractCegarLoop]: Abstraction has 2478 states and 4711 transitions. [2022-03-15 15:18:58,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:18:58,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2478 states and 4711 transitions. [2022-03-15 15:18:58,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:18:58,829 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:18:58,829 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:18:58,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2022-03-15 15:18:58,829 INFO L402 AbstractCegarLoop]: === Iteration 228 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:18:58,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:18:58,829 INFO L85 PathProgramCache]: Analyzing trace with hash -258295165, now seen corresponding path program 29 times [2022-03-15 15:18:58,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:18:58,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728415258] [2022-03-15 15:18:58,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:18:58,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:18:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:18:59,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:18:59,414 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:18:59,414 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728415258] [2022-03-15 15:18:59,414 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728415258] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:18:59,414 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:18:59,414 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-03-15 15:18:59,414 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162308847] [2022-03-15 15:18:59,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:18:59,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-15 15:18:59,414 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:18:59,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-15 15:18:59,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2022-03-15 15:18:59,414 INFO L87 Difference]: Start difference. First operand 2478 states and 4711 transitions. Second operand has 26 states, 25 states have (on average 7.2) internal successors, (180), 26 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:02,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:19:02,403 INFO L93 Difference]: Finished difference Result 2907 states and 5517 transitions. [2022-03-15 15:19:02,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 15:19:02,404 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 7.2) internal successors, (180), 26 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:19:02,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:19:02,406 INFO L225 Difference]: With dead ends: 2907 [2022-03-15 15:19:02,406 INFO L226 Difference]: Without dead ends: 2907 [2022-03-15 15:19:02,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1846 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1121, Invalid=5521, Unknown=0, NotChecked=0, Total=6642 [2022-03-15 15:19:02,407 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1628 mSDsluCounter, 3608 mSDsCounter, 0 mSdLazyCounter, 2761 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1628 SdHoareTripleChecker+Valid, 3916 SdHoareTripleChecker+Invalid, 3010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 2761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:19:02,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1628 Valid, 3916 Invalid, 3010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 2761 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:19:02,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2907 states. [2022-03-15 15:19:02,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2907 to 2472. [2022-03-15 15:19:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2472 states, 2463 states have (on average 1.9078359723913927) internal successors, (4699), 2471 states have internal predecessors, (4699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 2472 states and 4699 transitions. [2022-03-15 15:19:02,427 INFO L78 Accepts]: Start accepts. Automaton has 2472 states and 4699 transitions. Word has length 180 [2022-03-15 15:19:02,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:19:02,427 INFO L470 AbstractCegarLoop]: Abstraction has 2472 states and 4699 transitions. [2022-03-15 15:19:02,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 7.2) internal successors, (180), 26 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:02,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 4699 transitions. [2022-03-15 15:19:02,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:19:02,429 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:19:02,429 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:19:02,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2022-03-15 15:19:02,429 INFO L402 AbstractCegarLoop]: === Iteration 229 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:19:02,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:19:02,429 INFO L85 PathProgramCache]: Analyzing trace with hash 245790295, now seen corresponding path program 30 times [2022-03-15 15:19:02,429 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:19:02,429 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611307266] [2022-03-15 15:19:02,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:19:02,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:19:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:19:02,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:19:02,891 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:19:02,891 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611307266] [2022-03-15 15:19:02,891 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611307266] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:19:02,891 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:19:02,891 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:19:02,891 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335012708] [2022-03-15 15:19:02,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:19:02,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:19:02,892 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:19:02,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:19:02,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:19:02,892 INFO L87 Difference]: Start difference. First operand 2472 states and 4699 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:05,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:19:05,206 INFO L93 Difference]: Finished difference Result 2938 states and 5573 transitions. [2022-03-15 15:19:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 15:19:05,206 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:19:05,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:19:05,209 INFO L225 Difference]: With dead ends: 2938 [2022-03-15 15:19:05,209 INFO L226 Difference]: Without dead ends: 2938 [2022-03-15 15:19:05,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1836 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1094, Invalid=5386, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 15:19:05,209 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 1660 mSDsluCounter, 3566 mSDsCounter, 0 mSdLazyCounter, 2727 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1660 SdHoareTripleChecker+Valid, 3882 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 2727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:19:05,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1660 Valid, 3882 Invalid, 2972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 2727 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:19:05,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2938 states. [2022-03-15 15:19:05,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2938 to 2464. [2022-03-15 15:19:05,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 2455 states have (on average 1.9075356415478615) internal successors, (4683), 2463 states have internal predecessors, (4683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 4683 transitions. [2022-03-15 15:19:05,230 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 4683 transitions. Word has length 180 [2022-03-15 15:19:05,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:19:05,230 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 4683 transitions. [2022-03-15 15:19:05,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:05,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 4683 transitions. [2022-03-15 15:19:05,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:19:05,232 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:19:05,232 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:19:05,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2022-03-15 15:19:05,232 INFO L402 AbstractCegarLoop]: === Iteration 230 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:19:05,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:19:05,232 INFO L85 PathProgramCache]: Analyzing trace with hash -106704859, now seen corresponding path program 31 times [2022-03-15 15:19:05,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:19:05,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553986707] [2022-03-15 15:19:05,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:19:05,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:19:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:19:05,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:19:05,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:19:05,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553986707] [2022-03-15 15:19:05,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553986707] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:19:05,713 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:19:05,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:19:05,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047648325] [2022-03-15 15:19:05,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:19:05,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:19:05,713 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:19:05,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:19:05,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:19:05,714 INFO L87 Difference]: Start difference. First operand 2464 states and 4683 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:07,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:19:07,936 INFO L93 Difference]: Finished difference Result 3950 states and 7585 transitions. [2022-03-15 15:19:07,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:19:07,936 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:19:07,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:19:07,940 INFO L225 Difference]: With dead ends: 3950 [2022-03-15 15:19:07,940 INFO L226 Difference]: Without dead ends: 3950 [2022-03-15 15:19:07,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1607 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=918, Invalid=4934, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 15:19:07,941 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 1633 mSDsluCounter, 4083 mSDsCounter, 0 mSdLazyCounter, 2892 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1633 SdHoareTripleChecker+Valid, 4414 SdHoareTripleChecker+Invalid, 3035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 2892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:19:07,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1633 Valid, 4414 Invalid, 3035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 2892 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:19:07,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3950 states. [2022-03-15 15:19:07,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3950 to 2458. [2022-03-15 15:19:07,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2458 states, 2449 states have (on average 1.907309105757452) internal successors, (4671), 2457 states have internal predecessors, (4671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2458 states and 4671 transitions. [2022-03-15 15:19:07,963 INFO L78 Accepts]: Start accepts. Automaton has 2458 states and 4671 transitions. Word has length 180 [2022-03-15 15:19:07,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:19:07,963 INFO L470 AbstractCegarLoop]: Abstraction has 2458 states and 4671 transitions. [2022-03-15 15:19:07,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 4671 transitions. [2022-03-15 15:19:07,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:19:07,964 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:19:07,964 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:19:07,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2022-03-15 15:19:07,964 INFO L402 AbstractCegarLoop]: === Iteration 231 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:19:07,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:19:07,965 INFO L85 PathProgramCache]: Analyzing trace with hash -990061401, now seen corresponding path program 32 times [2022-03-15 15:19:07,965 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:19:07,965 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088887272] [2022-03-15 15:19:07,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:19:07,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:19:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:19:08,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:19:08,547 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:19:08,547 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088887272] [2022-03-15 15:19:08,547 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088887272] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:19:08,547 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:19:08,547 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:19:08,548 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708272326] [2022-03-15 15:19:08,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:19:08,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:19:08,548 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:19:08,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:19:08,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:19:08,548 INFO L87 Difference]: Start difference. First operand 2458 states and 4671 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:11,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:19:11,486 INFO L93 Difference]: Finished difference Result 4597 states and 8865 transitions. [2022-03-15 15:19:11,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 15:19:11,486 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:19:11,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:19:11,490 INFO L225 Difference]: With dead ends: 4597 [2022-03-15 15:19:11,490 INFO L226 Difference]: Without dead ends: 4597 [2022-03-15 15:19:11,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=870, Invalid=3960, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:19:11,491 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 1833 mSDsluCounter, 4830 mSDsCounter, 0 mSdLazyCounter, 3676 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 5166 SdHoareTripleChecker+Invalid, 3856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 3676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:19:11,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1833 Valid, 5166 Invalid, 3856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 3676 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:19:11,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4597 states. [2022-03-15 15:19:11,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4597 to 2450. [2022-03-15 15:19:11,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2450 states, 2441 states have (on average 1.907005325686194) internal successors, (4655), 2449 states have internal predecessors, (4655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:11,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 2450 states and 4655 transitions. [2022-03-15 15:19:11,514 INFO L78 Accepts]: Start accepts. Automaton has 2450 states and 4655 transitions. Word has length 180 [2022-03-15 15:19:11,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:19:11,514 INFO L470 AbstractCegarLoop]: Abstraction has 2450 states and 4655 transitions. [2022-03-15 15:19:11,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:11,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 4655 transitions. [2022-03-15 15:19:11,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:19:11,515 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:19:11,515 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:19:11,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2022-03-15 15:19:11,515 INFO L402 AbstractCegarLoop]: === Iteration 232 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:19:11,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:19:11,515 INFO L85 PathProgramCache]: Analyzing trace with hash -415825627, now seen corresponding path program 33 times [2022-03-15 15:19:11,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:19:11,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865597075] [2022-03-15 15:19:11,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:19:11,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:19:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:19:12,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:19:12,071 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:19:12,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865597075] [2022-03-15 15:19:12,071 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865597075] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:19:12,071 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:19:12,071 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:19:12,071 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070121652] [2022-03-15 15:19:12,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:19:12,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:19:12,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:19:12,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:19:12,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:19:12,072 INFO L87 Difference]: Start difference. First operand 2450 states and 4655 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:15,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:19:15,647 INFO L93 Difference]: Finished difference Result 4038 states and 7755 transitions. [2022-03-15 15:19:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-15 15:19:15,647 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:19:15,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:19:15,652 INFO L225 Difference]: With dead ends: 4038 [2022-03-15 15:19:15,653 INFO L226 Difference]: Without dead ends: 4038 [2022-03-15 15:19:15,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1966 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1008, Invalid=5798, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:19:15,653 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 1774 mSDsluCounter, 5014 mSDsCounter, 0 mSdLazyCounter, 4094 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 5362 SdHoareTripleChecker+Invalid, 4298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 4094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:19:15,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1774 Valid, 5362 Invalid, 4298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 4094 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:19:15,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4038 states. [2022-03-15 15:19:15,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4038 to 2444. [2022-03-15 15:19:15,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2444 states, 2435 states have (on average 1.906776180698152) internal successors, (4643), 2443 states have internal predecessors, (4643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 4643 transitions. [2022-03-15 15:19:15,685 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 4643 transitions. Word has length 180 [2022-03-15 15:19:15,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:19:15,685 INFO L470 AbstractCegarLoop]: Abstraction has 2444 states and 4643 transitions. [2022-03-15 15:19:15,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:15,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 4643 transitions. [2022-03-15 15:19:15,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-03-15 15:19:15,686 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:19:15,686 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:19:15,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2022-03-15 15:19:15,687 INFO L402 AbstractCegarLoop]: === Iteration 233 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:19:15,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:19:15,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1304602731, now seen corresponding path program 34 times [2022-03-15 15:19:15,687 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:19:15,687 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25872061] [2022-03-15 15:19:15,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:19:15,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:19:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:19:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:19:16,257 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:19:16,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25872061] [2022-03-15 15:19:16,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25872061] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:19:16,257 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:19:16,257 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:19:16,257 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961890707] [2022-03-15 15:19:16,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:19:16,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:19:16,257 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:19:16,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:19:16,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:19:16,258 INFO L87 Difference]: Start difference. First operand 2444 states and 4643 transitions. Second operand has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:19,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:19:19,607 INFO L93 Difference]: Finished difference Result 4008 states and 7697 transitions. [2022-03-15 15:19:19,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-15 15:19:19,607 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2022-03-15 15:19:19,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:19:19,611 INFO L225 Difference]: With dead ends: 4008 [2022-03-15 15:19:19,611 INFO L226 Difference]: Without dead ends: 4008 [2022-03-15 15:19:19,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2098 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1039, Invalid=6101, Unknown=0, NotChecked=0, Total=7140 [2022-03-15 15:19:19,612 INFO L933 BasicCegarLoop]: 359 mSDtfsCounter, 1631 mSDsluCounter, 4761 mSDsCounter, 0 mSdLazyCounter, 3671 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1631 SdHoareTripleChecker+Valid, 5117 SdHoareTripleChecker+Invalid, 3904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 3671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:19:19,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1631 Valid, 5117 Invalid, 3904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 3671 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:19:19,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4008 states. [2022-03-15 15:19:19,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4008 to 2319. [2022-03-15 15:19:19,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2319 states, 2310 states have (on average 1.9021645021645022) internal successors, (4394), 2318 states have internal predecessors, (4394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:19,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 2319 states and 4394 transitions. [2022-03-15 15:19:19,635 INFO L78 Accepts]: Start accepts. Automaton has 2319 states and 4394 transitions. Word has length 180 [2022-03-15 15:19:19,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:19:19,635 INFO L470 AbstractCegarLoop]: Abstraction has 2319 states and 4394 transitions. [2022-03-15 15:19:19,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.5) internal successors, (180), 25 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:19,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 4394 transitions. [2022-03-15 15:19:19,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-03-15 15:19:19,637 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:19:19,637 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:19:19,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2022-03-15 15:19:19,637 INFO L402 AbstractCegarLoop]: === Iteration 234 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:19:19,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:19:19,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1162521955, now seen corresponding path program 1 times [2022-03-15 15:19:19,639 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:19:19,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285245414] [2022-03-15 15:19:19,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:19:19,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:19:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:19:19,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:19:19,716 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:19:19,716 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285245414] [2022-03-15 15:19:19,716 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285245414] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:19:19,716 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:19:19,716 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:19:19,716 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718821967] [2022-03-15 15:19:19,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:19:19,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:19:19,716 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:19:19,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:19:19,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:19:19,717 INFO L87 Difference]: Start difference. First operand 2319 states and 4394 transitions. Second operand has 6 states, 5 states have (on average 36.8) internal successors, (184), 6 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:19,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:19:19,925 INFO L93 Difference]: Finished difference Result 2476 states and 4692 transitions. [2022-03-15 15:19:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:19:19,925 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 36.8) internal successors, (184), 6 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2022-03-15 15:19:19,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:19:19,928 INFO L225 Difference]: With dead ends: 2476 [2022-03-15 15:19:19,928 INFO L226 Difference]: Without dead ends: 2476 [2022-03-15 15:19:19,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:19:19,928 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 100 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:19:19,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 835 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:19:19,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2476 states. [2022-03-15 15:19:19,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2476 to 2395. [2022-03-15 15:19:19,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2395 states, 2386 states have (on average 1.90360435875943) internal successors, (4542), 2394 states have internal predecessors, (4542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 2395 states and 4542 transitions. [2022-03-15 15:19:19,961 INFO L78 Accepts]: Start accepts. Automaton has 2395 states and 4542 transitions. Word has length 184 [2022-03-15 15:19:19,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:19:19,961 INFO L470 AbstractCegarLoop]: Abstraction has 2395 states and 4542 transitions. [2022-03-15 15:19:19,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 36.8) internal successors, (184), 6 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:19,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2395 states and 4542 transitions. [2022-03-15 15:19:19,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-03-15 15:19:19,963 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:19:19,963 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:19:19,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2022-03-15 15:19:19,963 INFO L402 AbstractCegarLoop]: === Iteration 235 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:19:19,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:19:19,963 INFO L85 PathProgramCache]: Analyzing trace with hash -5834410, now seen corresponding path program 1 times [2022-03-15 15:19:19,963 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:19:19,963 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045109081] [2022-03-15 15:19:19,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:19:19,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:19:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:19:20,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:19:20,442 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:19:20,442 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045109081] [2022-03-15 15:19:20,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045109081] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:19:20,442 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:19:20,442 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-15 15:19:20,442 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166602893] [2022-03-15 15:19:20,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:19:20,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 15:19:20,443 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:19:20,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 15:19:20,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2022-03-15 15:19:20,443 INFO L87 Difference]: Start difference. First operand 2395 states and 4542 transitions. Second operand has 25 states, 24 states have (on average 7.875) internal successors, (189), 25 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:22,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:19:22,986 INFO L93 Difference]: Finished difference Result 2696 states and 5104 transitions. [2022-03-15 15:19:22,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-15 15:19:22,987 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.875) internal successors, (189), 25 states have internal predecessors, (189), 0 states have call successors, (0), 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 189 [2022-03-15 15:19:22,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:19:22,989 INFO L225 Difference]: With dead ends: 2696 [2022-03-15 15:19:22,989 INFO L226 Difference]: Without dead ends: 2696 [2022-03-15 15:19:22,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1753 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1164, Invalid=5316, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 15:19:22,990 INFO L933 BasicCegarLoop]: 347 mSDtfsCounter, 1441 mSDsluCounter, 4266 mSDsCounter, 0 mSdLazyCounter, 3255 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 4610 SdHoareTripleChecker+Invalid, 3490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 3255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:19:22,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1441 Valid, 4610 Invalid, 3490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 3255 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:19:22,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2022-03-15 15:19:23,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2360. [2022-03-15 15:19:23,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2360 states, 2352 states have (on average 1.903061224489796) internal successors, (4476), 2359 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:23,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 4476 transitions. [2022-03-15 15:19:23,009 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 4476 transitions. Word has length 189 [2022-03-15 15:19:23,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:19:23,009 INFO L470 AbstractCegarLoop]: Abstraction has 2360 states and 4476 transitions. [2022-03-15 15:19:23,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.875) internal successors, (189), 25 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:23,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 4476 transitions. [2022-03-15 15:19:23,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-03-15 15:19:23,011 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:19:23,011 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:19:23,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2022-03-15 15:19:23,011 INFO L402 AbstractCegarLoop]: === Iteration 236 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:19:23,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:19:23,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1244583202, now seen corresponding path program 1 times [2022-03-15 15:19:23,011 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:19:23,011 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125801147] [2022-03-15 15:19:23,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:19:23,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:19:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:19:23,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:19:23,091 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:19:23,091 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125801147] [2022-03-15 15:19:23,091 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125801147] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:19:23,092 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:19:23,092 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:19:23,092 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435062990] [2022-03-15 15:19:23,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:19:23,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:19:23,092 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:19:23,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:19:23,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:19:23,092 INFO L87 Difference]: Start difference. First operand 2360 states and 4476 transitions. Second operand has 6 states, 5 states have (on average 38.4) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:23,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:19:23,254 INFO L93 Difference]: Finished difference Result 2452 states and 4640 transitions. [2022-03-15 15:19:23,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:19:23,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.4) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2022-03-15 15:19:23,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:19:23,256 INFO L225 Difference]: With dead ends: 2452 [2022-03-15 15:19:23,256 INFO L226 Difference]: Without dead ends: 1921 [2022-03-15 15:19:23,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:19:23,256 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 103 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:19:23,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 675 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:19:23,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2022-03-15 15:19:23,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1913. [2022-03-15 15:19:23,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1913 states, 1905 states have (on average 1.8687664041994752) internal successors, (3560), 1912 states have internal predecessors, (3560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:23,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 3560 transitions. [2022-03-15 15:19:23,271 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 3560 transitions. Word has length 192 [2022-03-15 15:19:23,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:19:23,271 INFO L470 AbstractCegarLoop]: Abstraction has 1913 states and 3560 transitions. [2022-03-15 15:19:23,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.4) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:19:23,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 3560 transitions. [2022-03-15 15:19:23,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-03-15 15:19:23,272 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:19:23,272 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:19:23,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2022-03-15 15:19:23,272 INFO L402 AbstractCegarLoop]: === Iteration 237 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-03-15 15:19:23,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:19:23,273 INFO L85 PathProgramCache]: Analyzing trace with hash -715686033, now seen corresponding path program 1 times [2022-03-15 15:19:23,273 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:19:23,273 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749860626] [2022-03-15 15:19:23,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:19:23,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:19:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 15:19:23,315 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 15:19:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 15:19:23,398 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 15:19:23,399 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 15:19:23,399 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2022-03-15 15:19:23,400 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (14 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (13 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (12 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (11 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (10 of 30 remaining) [2022-03-15 15:19:23,401 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2022-03-15 15:19:23,402 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2022-03-15 15:19:23,402 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2022-03-15 15:19:23,402 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2022-03-15 15:19:23,402 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2022-03-15 15:19:23,402 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2022-03-15 15:19:23,402 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2022-03-15 15:19:23,402 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2022-03-15 15:19:23,402 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2022-03-15 15:19:23,402 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2022-03-15 15:19:23,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2022-03-15 15:19:23,404 INFO L732 BasicCegarLoop]: Path program histogram: [94, 48, 44, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:19:23,408 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 15:19:23,408 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 15:19:23,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 03:19:23 BasicIcfg [2022-03-15 15:19:23,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 15:19:23,538 INFO L158 Benchmark]: Toolchain (without parser) took 601217.52ms. Allocated memory was 179.3MB in the beginning and 593.5MB in the end (delta: 414.2MB). Free memory was 125.7MB in the beginning and 508.8MB in the end (delta: -383.1MB). Peak memory consumption was 352.7MB. Max. memory is 8.0GB. [2022-03-15 15:19:23,538 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 179.3MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 15:19:23,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.08ms. Allocated memory was 179.3MB in the beginning and 225.4MB in the end (delta: 46.1MB). Free memory was 125.6MB in the beginning and 174.1MB in the end (delta: -48.5MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. [2022-03-15 15:19:23,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.52ms. Allocated memory is still 225.4MB. Free memory was 173.5MB in the beginning and 169.9MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 15:19:23,538 INFO L158 Benchmark]: Boogie Preprocessor took 36.21ms. Allocated memory is still 225.4MB. Free memory was 169.9MB in the beginning and 167.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 15:19:23,538 INFO L158 Benchmark]: RCFGBuilder took 569.41ms. Allocated memory is still 225.4MB. Free memory was 167.2MB in the beginning and 142.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-03-15 15:19:23,538 INFO L158 Benchmark]: TraceAbstraction took 599902.46ms. Allocated memory was 225.4MB in the beginning and 593.5MB in the end (delta: 368.1MB). Free memory was 141.6MB in the beginning and 508.8MB in the end (delta: -367.2MB). Peak memory consumption was 322.7MB. Max. memory is 8.0GB. [2022-03-15 15:19:23,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 179.3MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 645.08ms. Allocated memory was 179.3MB in the beginning and 225.4MB in the end (delta: 46.1MB). Free memory was 125.6MB in the beginning and 174.1MB in the end (delta: -48.5MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.52ms. Allocated memory is still 225.4MB. Free memory was 173.5MB in the beginning and 169.9MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.21ms. Allocated memory is still 225.4MB. Free memory was 169.9MB in the beginning and 167.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 569.41ms. Allocated memory is still 225.4MB. Free memory was 167.2MB in the beginning and 142.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 599902.46ms. Allocated memory was 225.4MB in the beginning and 593.5MB in the end (delta: 368.1MB). Free memory was 141.6MB in the beginning and 508.8MB in the end (delta: -367.2MB). Peak memory consumption was 322.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 1261]: Data race detected Data race detected The following path leads to a data race: [L1224-L1227] 0 struct s { int datum; struct s *next; } *A, *B; VAL [A={0:0}, B={0:0}] [L1232] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={2:0}, B={0:0}] [L1233] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}] [L1247] 0 pthread_t t1; VAL [A={0:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, t1={13:0}] [L1248] 0 int *ip; VAL [A={0:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, t1={13:0}] [L1249] 0 struct s *sp; VAL [A={0:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, t1={13:0}] [L1250] 0 struct s *p = malloc(sizeof(struct s)); VAL [A={0:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, malloc(sizeof(struct s))={-2:0}, p={-2:0}, t1={13:0}] [L1251] CALL 0 init(p,9) [L1229] 0 p -> datum = x VAL [\old(x)=9, A={0:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, p={-2:0}, p={-2:0}, x=9] [L1230] 0 p -> next = ((void *)0) VAL [\old(x)=9, A={0:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, p={-2:0}, p={-2:0}, x=9] [L1251] RET 0 init(p,9) [L1252] 0 A = malloc(sizeof(struct s)) VAL [A={11:0}, A = malloc(sizeof(struct s))=129, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, malloc(sizeof(struct s))={11:0}, p={-2:0}, t1={13:0}] [L1253] 0 init(A,3) VAL [A={11:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1253] CALL 0 init(A,3) [L1229] 0 p -> datum = x VAL [\old(x)=3, A={11:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, p={11:0}, p={11:0}, x=3] [L1230] 0 p -> next = ((void *)0) VAL [\old(x)=3, A={11:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, p={11:0}, p={11:0}, x=3] [L1253] RET 0 init(A,3) [L1254] EXPR 0 A->next VAL [A={11:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1254] 0 A->next = p VAL [A={11:0}, A_mutex={2:0}, B={0:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1255] 0 B = malloc(sizeof(struct s)) VAL [A={11:0}, A_mutex={2:0}, B={-3:0}, B = malloc(sizeof(struct s))=112, B_mutex={3:0}, malloc(sizeof(struct s))={-3:0}, p={-2:0}, t1={13:0}] [L1256] 0 init(B,5) VAL [A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1256] CALL 0 init(B,5) [L1229] 0 p -> datum = x VAL [\old(x)=5, A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, p={-3:0}, p={-3:0}, x=5] [L1230] 0 p -> next = ((void *)0) VAL [\old(x)=5, A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, p={-3:0}, p={-3:0}, x=5] [L1256] RET 0 init(B,5) [L1257] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, p={-2:0}, pthread_create(&t1, ((void *)0), t_fun, ((void *)0))=-1, t1={13:0}] [L1235] 1 int *ip; VAL [A={11:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={3:0}] [L1236] 1 struct s *t, *sp = __VERIFIER_nondet_pointer(); VAL [__VERIFIER_nondet_pointer()={115:125}, A={11:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={3:0}, sp={115:125}] [L1258] 0 ip = &p->datum VAL [A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, ip={-2:0}, p={-2:0}, t1={13:0}] [L1259] 0 sp = ((struct s *)((char *)(ip)-(unsigned long)(&((struct s *)0)->datum))) VAL [A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, ip={-2:0}, p={-2:0}, sp={-2:0}, t1={13:0}] [L1261] EXPR 0 A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, ip={-2:0}, p={-2:0}, sp={-2:0}, t1={13:0}] [L1261] 0 p = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, ip={-2:0}, p={-2:0}, sp={-2:0}, t1={13:0}] [L1237] 1 struct s *p = malloc(sizeof(struct s)); VAL [A={11:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={3:0}, malloc(sizeof(struct s))={-4:0}, p={-4:0}, sp={115:125}] [L1238] CALL 1 init(p,7) [L1229] 1 p -> datum = x VAL [\old(x)=5, \old(x)=7, A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, p={-3:0}, p={-3:0}, p={-4:0}, p={-4:0}, x=5, x=7] [L1230] 1 p -> next = ((void *)0) VAL [\old(x)=7, \old(x)=5, A={11:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, p={-4:0}, p={-3:0}, p={-4:0}, p={-3:0}, x=5, x=7] [L1238] RET 1 init(p,7) [L1240] EXPR 1 A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={3:0}, p={-4:0}, sp={115:125}] [L1240] 1 t = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={3:0}, p={-4:0}, sp={115:125}, t={-2:0}] [L1241] EXPR 1 A->next VAL [A={11:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={3:0}, p={-4:0}, sp={115:125}, t={-2:0}] [L1241] 1 A->next = sp VAL [A={11:0}, A->next = sp=103, A_mutex={2:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={3:0}, p={-4:0}, sp={115:125}, t={-2:0}] [L1261] 0 p = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, B={-3:0}, B_mutex={3:0}, ip={-2:0}, p={-2:0}, sp={-2:0}, t1={13:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: p -> next = ((void *)0) [1230] * C: p -> next = ((void *)0) [1230] * C: A->next = p [1254] * C: A->next = p [1254] * C: A = malloc(sizeof(struct s)) [1252] * C: p -> next = ((void *)0) [1230] * C: B = malloc(sizeof(struct s)) [1255] * C: A->next = sp [1241] * C: p -> datum = x [1229] * C: A->next = p [1254] * C: A->next = p [1254] * C: p -> datum = x [1229] * C: p -> next = ((void *)0) [1230] * C: p -> datum = x [1229] * C: p -> datum = x [1229] and C: p = A->next [1261] - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1252]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1253]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1255]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1256]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1261]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1262]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1257]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1242]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 323 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 599.6s, OverallIterations: 237, TraceHistogramMax: 1, PathProgramHistogramMax: 94, EmptinessCheckTime: 0.3s, AutomataDifference: 504.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 340160 SdHoareTripleChecker+Valid, 302.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 340160 mSDsluCounter, 951511 SdHoareTripleChecker+Invalid, 251.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 871334 mSDsCounter, 52855 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 727887 IncrementalHoareTripleChecker+Invalid, 780742 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52855 mSolverCounterUnsat, 81212 mSDtfsCounter, 727887 mSolverCounterSat, 2.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15737 GetRequests, 1071 SyntacticMatches, 0 SemanticMatches, 14666 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279581 ImplicationChecksByTransitivity, 226.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3045occurred in iteration=124, InterpolantAutomatonStates: 11748, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.2s AutomataMinimizationTime, 236 MinimizatonAttempts, 516553 StatesRemovedByMinimization, 229 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 77.6s InterpolantComputationTime, 39927 NumberOfCodeBlocks, 39927 NumberOfCodeBlocksAsserted, 237 NumberOfCheckSat, 39497 ConstructedInterpolants, 0 QuantifiedInterpolants, 470200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 236 InterpolantComputations, 236 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-15 15:19:23,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...