/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_04-list2_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 18:22:11,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 18:22:11,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 18:22:11,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-03 18:22:11,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-03 18:22:11,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-03 18:22:11,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-03 18:22:11,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-03 18:22:11,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-03 18:22:11,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-03 18:22:11,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-03 18:22:11,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-03 18:22:11,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 18:22:11,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 18:22:11,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 18:22:11,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 18:22:11,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 18:22:11,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 18:22:11,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 18:22:11,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 18:22:11,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 18:22:11,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 18:22:11,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 18:22:11,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 18:22:11,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-03 18:22:11,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-03 18:22:11,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-03 18:22:11,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-03 18:22:11,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-03 18:22:11,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-03 18:22:11,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 18:22:11,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 18:22:11,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 18:22:11,538 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 [2022-03-03 18:22:11,561 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 18:22:11,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 18:22:11,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 18:22:11,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 18:22:11,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 18:22:11,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 18:22:11,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 18:22:11,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 18:22:11,563 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 18:22:11,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 18:22:11,563 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 18:22:11,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 18:22:11,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 18:22:11,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 18:22:11,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 18:22:11,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 18:22:11,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 18:22:11,564 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 18:22:11,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 18:22:11,564 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 18:22:11,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 18:22:11,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 18:22:11,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 18:22:11,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 18:22:11,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 18:22:11,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:22:11,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 18:22:11,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 18:22:11,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 18:22:11,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 18:22:11,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 18:22:11,565 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 18:22:11,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 18:22:11,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-03 18:22:11,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 18:22:11,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 18:22:11,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 18:22:11,763 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 18:22:11,763 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 18:22:11,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2022-03-03 18:22:11,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ca4bb69/ff43b5a030cc4a408f4bae3c378ad72d/FLAG491dfc09f [2022-03-03 18:22:12,244 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 18:22:12,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2022-03-03 18:22:12,277 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ca4bb69/ff43b5a030cc4a408f4bae3c378ad72d/FLAG491dfc09f [2022-03-03 18:22:12,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2ca4bb69/ff43b5a030cc4a408f4bae3c378ad72d [2022-03-03 18:22:12,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 18:22:12,296 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 18:22:12,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 18:22:12,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 18:22:12,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 18:22:12,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:22:12" (1/1) ... [2022-03-03 18:22:12,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59bea149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:22:12, skipping insertion in model container [2022-03-03 18:22:12,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:22:12" (1/1) ... [2022-03-03 18:22:12,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 18:22:12,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 18:22:12,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:22:12,788 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 18:22:12,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:22:12,872 INFO L208 MainTranslator]: Completed translation [2022-03-03 18:22:12,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:22:12 WrapperNode [2022-03-03 18:22:12,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 18:22:12,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 18:22:12,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 18:22:12,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 18:22:12,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:22:12" (1/1) ... [2022-03-03 18:22:12,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:22:12" (1/1) ... [2022-03-03 18:22:12,936 INFO L137 Inliner]: procedures = 368, calls = 55, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 206 [2022-03-03 18:22:12,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 18:22:12,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 18:22:12,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 18:22:12,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 18:22:12,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:22:12" (1/1) ... [2022-03-03 18:22:12,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:22:12" (1/1) ... [2022-03-03 18:22:12,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:22:12" (1/1) ... [2022-03-03 18:22:12,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:22:12" (1/1) ... [2022-03-03 18:22:12,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:22:12" (1/1) ... [2022-03-03 18:22:12,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:22:12" (1/1) ... [2022-03-03 18:22:12,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:22:12" (1/1) ... [2022-03-03 18:22:12,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 18:22:12,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 18:22:12,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 18:22:12,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 18:22:12,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:22:12" (1/1) ... [2022-03-03 18:22:12,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:22:13,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:22:13,036 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) [2022-03-03 18:22:13,082 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 [2022-03-03 18:22:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 18:22:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-03 18:22:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 18:22:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-03 18:22:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 18:22:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-03 18:22:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-03 18:22:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 18:22:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-03 18:22:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-03 18:22:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-03 18:22:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 18:22:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 18:22:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 18:22:13,096 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 18:22:13,186 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 18:22:13,187 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 18:22:13,620 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 18:22:13,631 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 18:22:13,631 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-03 18:22:13,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:22:13 BoogieIcfgContainer [2022-03-03 18:22:13,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 18:22:13,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 18:22:13,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 18:22:13,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 18:22:13,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:22:12" (1/3) ... [2022-03-03 18:22:13,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ccf811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:22:13, skipping insertion in model container [2022-03-03 18:22:13,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:22:12" (2/3) ... [2022-03-03 18:22:13,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ccf811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:22:13, skipping insertion in model container [2022-03-03 18:22:13,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:22:13" (3/3) ... [2022-03-03 18:22:13,640 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2022-03-03 18:22:13,644 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 18:22:13,644 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 18:22:13,644 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-03-03 18:22:13,644 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 18:22:13,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,690 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,690 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,691 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,691 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,727 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,728 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:22:13,734 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-03 18:22:13,795 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 18:22:13,804 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 [2022-03-03 18:22:13,804 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2022-03-03 18:22:13,819 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 317 places, 313 transitions, 631 flow [2022-03-03 18:22:13,921 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4105 states, 4027 states have (on average 1.9607648373479016) internal successors, (7896), 4104 states have internal predecessors, (7896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:13,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 4105 states, 4027 states have (on average 1.9607648373479016) internal successors, (7896), 4104 states have internal predecessors, (7896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:13,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-03 18:22:13,935 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:13,936 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] [2022-03-03 18:22:13,937 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:13,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:13,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1579257422, now seen corresponding path program 1 times [2022-03-03 18:22:13,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:13,951 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415904905] [2022-03-03 18:22:13,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:13,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:14,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:14,271 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:14,271 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415904905] [2022-03-03 18:22:14,271 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415904905] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:14,271 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:14,272 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:22:14,273 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661987112] [2022-03-03 18:22:14,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:14,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:22:14,276 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:14,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:22:14,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:22:14,306 INFO L87 Difference]: Start difference. First operand has 4105 states, 4027 states have (on average 1.9607648373479016) internal successors, (7896), 4104 states have internal predecessors, (7896), 0 states have call successors, (0), 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 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:14,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:14,589 INFO L93 Difference]: Finished difference Result 4101 states and 7892 transitions. [2022-03-03 18:22:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:22:14,591 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-03-03 18:22:14,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:14,613 INFO L225 Difference]: With dead ends: 4101 [2022-03-03 18:22:14,614 INFO L226 Difference]: Without dead ends: 4101 [2022-03-03 18:22:14,615 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 [2022-03-03 18:22:14,618 INFO L933 BasicCegarLoop]: 291 mSDtfsCounter, 12 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:14,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 625 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:22:14,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4101 states. [2022-03-03 18:22:14,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4101 to 4101. [2022-03-03 18:22:14,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4101 states, 4027 states have (on average 1.9597715420908866) internal successors, (7892), 4100 states have internal predecessors, (7892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:14,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4101 states to 4101 states and 7892 transitions. [2022-03-03 18:22:14,732 INFO L78 Accepts]: Start accepts. Automaton has 4101 states and 7892 transitions. Word has length 50 [2022-03-03 18:22:14,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:14,733 INFO L470 AbstractCegarLoop]: Abstraction has 4101 states and 7892 transitions. [2022-03-03 18:22:14,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:14,733 INFO L276 IsEmpty]: Start isEmpty. Operand 4101 states and 7892 transitions. [2022-03-03 18:22:14,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-03-03 18:22:14,734 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:14,734 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] [2022-03-03 18:22:14,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 18:22:14,734 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:14,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:14,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1485619206, now seen corresponding path program 1 times [2022-03-03 18:22:14,735 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:14,735 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045753713] [2022-03-03 18:22:14,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:14,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:14,834 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:14,834 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045753713] [2022-03-03 18:22:14,834 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045753713] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:14,834 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:14,834 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:22:14,834 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057263189] [2022-03-03 18:22:14,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:14,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:22:14,835 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:14,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:22:14,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:22:14,836 INFO L87 Difference]: Start difference. First operand 4101 states and 7892 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:14,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:14,996 INFO L93 Difference]: Finished difference Result 4097 states and 7888 transitions. [2022-03-03 18:22:14,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:22:14,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-03-03 18:22:14,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:15,008 INFO L225 Difference]: With dead ends: 4097 [2022-03-03 18:22:15,009 INFO L226 Difference]: Without dead ends: 4097 [2022-03-03 18:22:15,009 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 [2022-03-03 18:22:15,010 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 8 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:15,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 454 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 18:22:15,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4097 states. [2022-03-03 18:22:15,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4097 to 4097. [2022-03-03 18:22:15,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4097 states, 4027 states have (on average 1.9587782468338715) internal successors, (7888), 4096 states have internal predecessors, (7888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:15,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 4097 states and 7888 transitions. [2022-03-03 18:22:15,121 INFO L78 Accepts]: Start accepts. Automaton has 4097 states and 7888 transitions. Word has length 58 [2022-03-03 18:22:15,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:15,122 INFO L470 AbstractCegarLoop]: Abstraction has 4097 states and 7888 transitions. [2022-03-03 18:22:15,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:15,122 INFO L276 IsEmpty]: Start isEmpty. Operand 4097 states and 7888 transitions. [2022-03-03 18:22:15,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:22:15,124 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:15,124 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] [2022-03-03 18:22:15,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 18:22:15,125 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:15,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:15,125 INFO L85 PathProgramCache]: Analyzing trace with hash -2109758001, now seen corresponding path program 1 times [2022-03-03 18:22:15,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:15,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395465847] [2022-03-03 18:22:15,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:15,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:15,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:15,204 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:15,204 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395465847] [2022-03-03 18:22:15,204 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395465847] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:15,204 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:15,204 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:22:15,204 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112014393] [2022-03-03 18:22:15,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:15,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:22:15,205 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:15,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:22:15,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:22:15,205 INFO L87 Difference]: Start difference. First operand 4097 states and 7888 transitions. Second operand has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:15,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:15,280 INFO L93 Difference]: Finished difference Result 4096 states and 7887 transitions. [2022-03-03 18:22:15,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:22:15,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-03-03 18:22:15,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:15,301 INFO L225 Difference]: With dead ends: 4096 [2022-03-03 18:22:15,301 INFO L226 Difference]: Without dead ends: 4096 [2022-03-03 18:22:15,302 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 [2022-03-03 18:22:15,302 INFO L933 BasicCegarLoop]: 301 mSDtfsCounter, 2 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:15,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 585 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:22:15,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4096 states. [2022-03-03 18:22:15,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4096 to 4096. [2022-03-03 18:22:15,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4096 states, 4027 states have (on average 1.9585299230196176) internal successors, (7887), 4095 states have internal predecessors, (7887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:15,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4096 states to 4096 states and 7887 transitions. [2022-03-03 18:22:15,380 INFO L78 Accepts]: Start accepts. Automaton has 4096 states and 7887 transitions. Word has length 65 [2022-03-03 18:22:15,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:15,381 INFO L470 AbstractCegarLoop]: Abstraction has 4096 states and 7887 transitions. [2022-03-03 18:22:15,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:15,381 INFO L276 IsEmpty]: Start isEmpty. Operand 4096 states and 7887 transitions. [2022-03-03 18:22:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-03-03 18:22:15,381 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:15,381 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] [2022-03-03 18:22:15,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 18:22:15,382 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:15,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:15,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1817743894, now seen corresponding path program 1 times [2022-03-03 18:22:15,383 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:15,383 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792605564] [2022-03-03 18:22:15,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:15,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:15,431 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:15,432 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792605564] [2022-03-03 18:22:15,432 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792605564] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:15,432 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:15,432 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:22:15,432 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398471089] [2022-03-03 18:22:15,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:15,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:22:15,432 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:15,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:22:15,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:22:15,433 INFO L87 Difference]: Start difference. First operand 4096 states and 7887 transitions. Second operand has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:15,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:15,455 INFO L93 Difference]: Finished difference Result 3968 states and 7635 transitions. [2022-03-03 18:22:15,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:22:15,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-03-03 18:22:15,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:15,468 INFO L225 Difference]: With dead ends: 3968 [2022-03-03 18:22:15,468 INFO L226 Difference]: Without dead ends: 3968 [2022-03-03 18:22:15,468 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 [2022-03-03 18:22:15,475 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 228 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:15,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 359 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:22:15,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3968 states. [2022-03-03 18:22:15,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3968 to 3968. [2022-03-03 18:22:15,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3968 states, 3916 states have (on average 1.949693564862104) internal successors, (7635), 3967 states have internal predecessors, (7635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 7635 transitions. [2022-03-03 18:22:15,542 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 7635 transitions. Word has length 69 [2022-03-03 18:22:15,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:15,542 INFO L470 AbstractCegarLoop]: Abstraction has 3968 states and 7635 transitions. [2022-03-03 18:22:15,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:15,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 7635 transitions. [2022-03-03 18:22:15,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-03-03 18:22:15,557 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:15,557 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] [2022-03-03 18:22:15,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-03 18:22:15,557 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:15,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:15,558 INFO L85 PathProgramCache]: Analyzing trace with hash 708730018, now seen corresponding path program 1 times [2022-03-03 18:22:15,558 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:15,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227729729] [2022-03-03 18:22:15,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:15,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:15,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:15,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:15,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227729729] [2022-03-03 18:22:15,684 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227729729] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:15,685 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:15,685 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:22:15,685 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362855013] [2022-03-03 18:22:15,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:15,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:22:15,685 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:15,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:22:15,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:22:15,686 INFO L87 Difference]: Start difference. First operand 3968 states and 7635 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:15,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:15,913 INFO L93 Difference]: Finished difference Result 3967 states and 7634 transitions. [2022-03-03 18:22:15,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:22:15,914 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-03-03 18:22:15,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:15,926 INFO L225 Difference]: With dead ends: 3967 [2022-03-03 18:22:15,927 INFO L226 Difference]: Without dead ends: 3967 [2022-03-03 18:22:15,927 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 [2022-03-03 18:22:15,927 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 2 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:15,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 824 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:22:15,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3967 states. [2022-03-03 18:22:16,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3967 to 3967. [2022-03-03 18:22:16,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3967 states, 3916 states have (on average 1.949438202247191) internal successors, (7634), 3966 states have internal predecessors, (7634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3967 states to 3967 states and 7634 transitions. [2022-03-03 18:22:16,017 INFO L78 Accepts]: Start accepts. Automaton has 3967 states and 7634 transitions. Word has length 100 [2022-03-03 18:22:16,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:16,017 INFO L470 AbstractCegarLoop]: Abstraction has 3967 states and 7634 transitions. [2022-03-03 18:22:16,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:16,017 INFO L276 IsEmpty]: Start isEmpty. Operand 3967 states and 7634 transitions. [2022-03-03 18:22:16,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-03-03 18:22:16,018 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:16,018 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] [2022-03-03 18:22:16,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-03 18:22:16,018 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:16,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:16,019 INFO L85 PathProgramCache]: Analyzing trace with hash 834139185, now seen corresponding path program 1 times [2022-03-03 18:22:16,019 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:16,019 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187113904] [2022-03-03 18:22:16,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:16,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:16,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:16,069 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:16,069 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187113904] [2022-03-03 18:22:16,069 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187113904] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:16,069 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:16,069 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:22:16,069 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225288740] [2022-03-03 18:22:16,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:16,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:22:16,070 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:16,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:22:16,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:22:16,070 INFO L87 Difference]: Start difference. First operand 3967 states and 7634 transitions. Second operand has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:16,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:16,093 INFO L93 Difference]: Finished difference Result 3966 states and 7633 transitions. [2022-03-03 18:22:16,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:22:16,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-03-03 18:22:16,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:16,110 INFO L225 Difference]: With dead ends: 3966 [2022-03-03 18:22:16,110 INFO L226 Difference]: Without dead ends: 3966 [2022-03-03 18:22:16,110 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 [2022-03-03 18:22:16,112 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 2 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:16,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 573 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:22:16,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3966 states. [2022-03-03 18:22:16,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3966 to 3966. [2022-03-03 18:22:16,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3966 states, 3916 states have (on average 1.949182839632278) internal successors, (7633), 3965 states have internal predecessors, (7633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:16,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3966 states to 3966 states and 7633 transitions. [2022-03-03 18:22:16,192 INFO L78 Accepts]: Start accepts. Automaton has 3966 states and 7633 transitions. Word has length 106 [2022-03-03 18:22:16,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:16,193 INFO L470 AbstractCegarLoop]: Abstraction has 3966 states and 7633 transitions. [2022-03-03 18:22:16,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:16,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3966 states and 7633 transitions. [2022-03-03 18:22:16,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-03 18:22:16,193 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:16,193 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] [2022-03-03 18:22:16,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-03 18:22:16,194 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:16,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:16,194 INFO L85 PathProgramCache]: Analyzing trace with hash -264018609, now seen corresponding path program 1 times [2022-03-03 18:22:16,194 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:16,194 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285517021] [2022-03-03 18:22:16,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:16,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:16,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:16,250 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:16,250 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285517021] [2022-03-03 18:22:16,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285517021] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:16,250 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:16,250 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:22:16,250 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872873281] [2022-03-03 18:22:16,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:16,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:22:16,251 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:16,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:22:16,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:22:16,251 INFO L87 Difference]: Start difference. First operand 3966 states and 7633 transitions. Second operand has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:16,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:16,272 INFO L93 Difference]: Finished difference Result 3840 states and 7385 transitions. [2022-03-03 18:22:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:22:16,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-03-03 18:22:16,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:16,279 INFO L225 Difference]: With dead ends: 3840 [2022-03-03 18:22:16,279 INFO L226 Difference]: Without dead ends: 3840 [2022-03-03 18:22:16,280 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 [2022-03-03 18:22:16,281 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 181 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:16,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 394 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:22:16,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3840 states. [2022-03-03 18:22:16,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3840 to 3840. [2022-03-03 18:22:16,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3840 states, 3805 states have (on average 1.9408672798948752) internal successors, (7385), 3839 states have internal predecessors, (7385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:16,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3840 states and 7385 transitions. [2022-03-03 18:22:16,352 INFO L78 Accepts]: Start accepts. Automaton has 3840 states and 7385 transitions. Word has length 110 [2022-03-03 18:22:16,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:16,353 INFO L470 AbstractCegarLoop]: Abstraction has 3840 states and 7385 transitions. [2022-03-03 18:22:16,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:16,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3840 states and 7385 transitions. [2022-03-03 18:22:16,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-03-03 18:22:16,356 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:16,356 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] [2022-03-03 18:22:16,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-03 18:22:16,357 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:16,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:16,358 INFO L85 PathProgramCache]: Analyzing trace with hash -123328695, now seen corresponding path program 1 times [2022-03-03 18:22:16,358 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:16,358 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098720459] [2022-03-03 18:22:16,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:16,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:16,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:16,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098720459] [2022-03-03 18:22:16,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098720459] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:16,500 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:16,500 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:22:16,500 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477365660] [2022-03-03 18:22:16,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:16,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:22:16,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:16,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:22:16,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:22:16,502 INFO L87 Difference]: Start difference. First operand 3840 states and 7385 transitions. Second operand has 6 states, 5 states have (on average 33.2) internal successors, (166), 6 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:16,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:16,600 INFO L93 Difference]: Finished difference Result 3839 states and 7384 transitions. [2022-03-03 18:22:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:22:16,601 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.2) internal successors, (166), 6 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2022-03-03 18:22:16,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:16,608 INFO L225 Difference]: With dead ends: 3839 [2022-03-03 18:22:16,608 INFO L226 Difference]: Without dead ends: 3839 [2022-03-03 18:22:16,608 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 [2022-03-03 18:22:16,609 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 3 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:16,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 459 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 18:22:16,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3839 states. [2022-03-03 18:22:16,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3839 to 3839. [2022-03-03 18:22:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3839 states, 3805 states have (on average 1.940604467805519) internal successors, (7384), 3838 states have internal predecessors, (7384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 3839 states and 7384 transitions. [2022-03-03 18:22:16,686 INFO L78 Accepts]: Start accepts. Automaton has 3839 states and 7384 transitions. Word has length 166 [2022-03-03 18:22:16,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:16,686 INFO L470 AbstractCegarLoop]: Abstraction has 3839 states and 7384 transitions. [2022-03-03 18:22:16,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.2) internal successors, (166), 6 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:16,686 INFO L276 IsEmpty]: Start isEmpty. Operand 3839 states and 7384 transitions. [2022-03-03 18:22:16,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-03-03 18:22:16,687 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:16,687 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] [2022-03-03 18:22:16,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-03 18:22:16,687 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:16,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:16,688 INFO L85 PathProgramCache]: Analyzing trace with hash 722055751, now seen corresponding path program 1 times [2022-03-03 18:22:16,688 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:16,688 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369273058] [2022-03-03 18:22:16,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:16,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:16,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:16,813 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:16,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369273058] [2022-03-03 18:22:16,813 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369273058] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:16,813 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:16,813 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:22:16,813 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208921949] [2022-03-03 18:22:16,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:16,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:22:16,813 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:16,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:22:16,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:22:16,814 INFO L87 Difference]: Start difference. First operand 3839 states and 7384 transitions. Second operand has 6 states, 5 states have (on average 36.4) internal successors, (182), 6 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:17,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:17,254 INFO L93 Difference]: Finished difference Result 5760 states and 11136 transitions. [2022-03-03 18:22:17,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:22:17,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 36.4) internal successors, (182), 6 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 182 [2022-03-03 18:22:17,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:17,267 INFO L225 Difference]: With dead ends: 5760 [2022-03-03 18:22:17,268 INFO L226 Difference]: Without dead ends: 5760 [2022-03-03 18:22:17,268 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 [2022-03-03 18:22:17,269 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 242 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:17,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 1026 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:22:17,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5760 states. [2022-03-03 18:22:17,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5760 to 3942. [2022-03-03 18:22:17,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3942 states, 3914 states have (on average 1.9384261624936128) internal successors, (7587), 3941 states have internal predecessors, (7587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:17,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3942 states to 3942 states and 7587 transitions. [2022-03-03 18:22:17,349 INFO L78 Accepts]: Start accepts. Automaton has 3942 states and 7587 transitions. Word has length 182 [2022-03-03 18:22:17,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:17,349 INFO L470 AbstractCegarLoop]: Abstraction has 3942 states and 7587 transitions. [2022-03-03 18:22:17,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 36.4) internal successors, (182), 6 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:17,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3942 states and 7587 transitions. [2022-03-03 18:22:17,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-03-03 18:22:17,352 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:17,352 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] [2022-03-03 18:22:17,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-03 18:22:17,352 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:17,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:17,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1679495531, now seen corresponding path program 1 times [2022-03-03 18:22:17,353 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:17,353 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947215949] [2022-03-03 18:22:17,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:17,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:17,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:17,486 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:17,486 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947215949] [2022-03-03 18:22:17,486 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947215949] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:17,486 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:17,486 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:22:17,486 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32306091] [2022-03-03 18:22:17,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:17,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:22:17,487 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:17,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:22:17,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:22:17,487 INFO L87 Difference]: Start difference. First operand 3942 states and 7587 transitions. Second operand has 6 states, 5 states have (on average 37.6) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:17,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:17,821 INFO L93 Difference]: Finished difference Result 3888 states and 7480 transitions. [2022-03-03 18:22:17,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:22:17,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 37.6) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 188 [2022-03-03 18:22:17,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:17,828 INFO L225 Difference]: With dead ends: 3888 [2022-03-03 18:22:17,828 INFO L226 Difference]: Without dead ends: 3888 [2022-03-03 18:22:17,829 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 [2022-03-03 18:22:17,829 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 152 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:17,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 1078 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:22:17,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3888 states. [2022-03-03 18:22:17,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3888 to 3888. [2022-03-03 18:22:17,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3888 states, 3864 states have (on average 1.9358178053830228) internal successors, (7480), 3887 states have internal predecessors, (7480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:17,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3888 states to 3888 states and 7480 transitions. [2022-03-03 18:22:17,884 INFO L78 Accepts]: Start accepts. Automaton has 3888 states and 7480 transitions. Word has length 188 [2022-03-03 18:22:17,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:17,885 INFO L470 AbstractCegarLoop]: Abstraction has 3888 states and 7480 transitions. [2022-03-03 18:22:17,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 37.6) internal successors, (188), 6 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 3888 states and 7480 transitions. [2022-03-03 18:22:17,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-03-03 18:22:17,886 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:17,886 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] [2022-03-03 18:22:17,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-03 18:22:17,887 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:17,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:17,887 INFO L85 PathProgramCache]: Analyzing trace with hash 2143879696, now seen corresponding path program 1 times [2022-03-03 18:22:17,887 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:17,887 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145318157] [2022-03-03 18:22:17,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:17,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:17,996 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:17,996 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145318157] [2022-03-03 18:22:17,996 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145318157] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:17,996 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:17,996 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:22:17,996 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785742165] [2022-03-03 18:22:17,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:17,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:22:17,997 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:17,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:22:17,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:22:17,997 INFO L87 Difference]: Start difference. First operand 3888 states and 7480 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) [2022-03-03 18:22:18,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:18,376 INFO L93 Difference]: Finished difference Result 5169 states and 9966 transitions. [2022-03-03 18:22:18,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:22:18,387 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 [2022-03-03 18:22:18,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:18,396 INFO L225 Difference]: With dead ends: 5169 [2022-03-03 18:22:18,396 INFO L226 Difference]: Without dead ends: 5089 [2022-03-03 18:22:18,397 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 [2022-03-03 18:22:18,397 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 202 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:18,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 863 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:22:18,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5089 states. [2022-03-03 18:22:18,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5089 to 4134. [2022-03-03 18:22:18,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4134 states, 4110 states have (on average 1.9357664233576641) internal successors, (7956), 4133 states have internal predecessors, (7956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4134 states to 4134 states and 7956 transitions. [2022-03-03 18:22:18,463 INFO L78 Accepts]: Start accepts. Automaton has 4134 states and 7956 transitions. Word has length 192 [2022-03-03 18:22:18,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:18,464 INFO L470 AbstractCegarLoop]: Abstraction has 4134 states and 7956 transitions. [2022-03-03 18:22:18,464 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) [2022-03-03 18:22:18,464 INFO L276 IsEmpty]: Start isEmpty. Operand 4134 states and 7956 transitions. [2022-03-03 18:22:18,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-03-03 18:22:18,465 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:18,465 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, 1, 1] [2022-03-03 18:22:18,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-03 18:22:18,466 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:18,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:18,466 INFO L85 PathProgramCache]: Analyzing trace with hash -162897296, now seen corresponding path program 1 times [2022-03-03 18:22:18,466 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:18,466 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811875021] [2022-03-03 18:22:18,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:18,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:18,576 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:18,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811875021] [2022-03-03 18:22:18,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811875021] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:18,576 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:18,577 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:22:18,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957472995] [2022-03-03 18:22:18,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:18,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:22:18,577 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:18,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:22:18,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:22:18,578 INFO L87 Difference]: Start difference. First operand 4134 states and 7956 transitions. Second operand has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:18,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:18,776 INFO L93 Difference]: Finished difference Result 4367 states and 8417 transitions. [2022-03-03 18:22:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:22:18,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 196 [2022-03-03 18:22:18,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:18,786 INFO L225 Difference]: With dead ends: 4367 [2022-03-03 18:22:18,786 INFO L226 Difference]: Without dead ends: 4367 [2022-03-03 18:22:18,786 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 [2022-03-03 18:22:18,786 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 156 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:18,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 667 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:22:18,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4367 states. [2022-03-03 18:22:18,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4367 to 4311. [2022-03-03 18:22:18,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4311 states, 4287 states have (on average 1.9374854210403545) internal successors, (8306), 4310 states have internal predecessors, (8306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:18,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4311 states to 4311 states and 8306 transitions. [2022-03-03 18:22:18,848 INFO L78 Accepts]: Start accepts. Automaton has 4311 states and 8306 transitions. Word has length 196 [2022-03-03 18:22:18,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:18,849 INFO L470 AbstractCegarLoop]: Abstraction has 4311 states and 8306 transitions. [2022-03-03 18:22:18,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:18,849 INFO L276 IsEmpty]: Start isEmpty. Operand 4311 states and 8306 transitions. [2022-03-03 18:22:18,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-03-03 18:22:18,851 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:18,851 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:18,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-03 18:22:18,851 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:18,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:18,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1161595567, now seen corresponding path program 1 times [2022-03-03 18:22:18,851 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:18,851 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760724720] [2022-03-03 18:22:18,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:18,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:18,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:18,921 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:18,921 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760724720] [2022-03-03 18:22:18,921 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760724720] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:18,921 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:18,921 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-03 18:22:18,921 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388835700] [2022-03-03 18:22:18,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:18,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:22:18,922 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:18,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:22:18,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:22:18,922 INFO L87 Difference]: Start difference. First operand 4311 states and 8306 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:18,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:18,945 INFO L93 Difference]: Finished difference Result 3576 states and 6740 transitions. [2022-03-03 18:22:18,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:22:18,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 204 [2022-03-03 18:22:18,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:18,951 INFO L225 Difference]: With dead ends: 3576 [2022-03-03 18:22:18,951 INFO L226 Difference]: Without dead ends: 3576 [2022-03-03 18:22:18,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:22:18,952 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 103 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:18,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 623 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:22:18,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3576 states. [2022-03-03 18:22:18,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3576 to 3320. [2022-03-03 18:22:18,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 3302 states have (on average 1.9006662628709874) internal successors, (6276), 3319 states have internal predecessors, (6276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 6276 transitions. [2022-03-03 18:22:18,996 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 6276 transitions. Word has length 204 [2022-03-03 18:22:18,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:18,996 INFO L470 AbstractCegarLoop]: Abstraction has 3320 states and 6276 transitions. [2022-03-03 18:22:18,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:18,997 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 6276 transitions. [2022-03-03 18:22:18,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-03-03 18:22:18,998 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:18,998 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:18,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-03 18:22:18,998 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:18,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:18,998 INFO L85 PathProgramCache]: Analyzing trace with hash 324013885, now seen corresponding path program 1 times [2022-03-03 18:22:18,998 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:18,998 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938094638] [2022-03-03 18:22:18,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:18,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:19,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:19,113 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:19,113 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938094638] [2022-03-03 18:22:19,113 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938094638] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:19,113 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:19,113 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:22:19,113 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170907020] [2022-03-03 18:22:19,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:19,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:22:19,114 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:19,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:22:19,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:22:19,114 INFO L87 Difference]: Start difference. First operand 3320 states and 6276 transitions. Second operand has 6 states, 5 states have (on average 40.8) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:19,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:19,509 INFO L93 Difference]: Finished difference Result 3810 states and 7191 transitions. [2022-03-03 18:22:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:22:19,509 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 40.8) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 204 [2022-03-03 18:22:19,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:19,515 INFO L225 Difference]: With dead ends: 3810 [2022-03-03 18:22:19,515 INFO L226 Difference]: Without dead ends: 3546 [2022-03-03 18:22:19,516 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 [2022-03-03 18:22:19,516 INFO L933 BasicCegarLoop]: 440 mSDtfsCounter, 300 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:19,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [300 Valid, 1002 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:22:19,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3546 states. [2022-03-03 18:22:19,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3546 to 3099. [2022-03-03 18:22:19,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3099 states, 3084 states have (on average 1.8816472114137484) internal successors, (5803), 3098 states have internal predecessors, (5803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:19,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 5803 transitions. [2022-03-03 18:22:19,562 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 5803 transitions. Word has length 204 [2022-03-03 18:22:19,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:19,562 INFO L470 AbstractCegarLoop]: Abstraction has 3099 states and 5803 transitions. [2022-03-03 18:22:19,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 40.8) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:19,562 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 5803 transitions. [2022-03-03 18:22:19,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-03 18:22:19,564 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:19,564 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:19,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-03 18:22:19,565 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:19,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:19,565 INFO L85 PathProgramCache]: Analyzing trace with hash 632797486, now seen corresponding path program 1 times [2022-03-03 18:22:19,565 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:19,565 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809617985] [2022-03-03 18:22:19,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:19,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:19,692 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:19,692 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809617985] [2022-03-03 18:22:19,692 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809617985] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:19,692 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:19,692 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:22:19,692 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126236116] [2022-03-03 18:22:19,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:19,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:22:19,693 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:19,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:22:19,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:22:19,693 INFO L87 Difference]: Start difference. First operand 3099 states and 5803 transitions. Second operand has 6 states, 5 states have (on average 43.4) internal successors, (217), 6 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:19,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:19,963 INFO L93 Difference]: Finished difference Result 3042 states and 5691 transitions. [2022-03-03 18:22:19,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:22:19,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 43.4) internal successors, (217), 6 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-03 18:22:19,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:19,968 INFO L225 Difference]: With dead ends: 3042 [2022-03-03 18:22:19,968 INFO L226 Difference]: Without dead ends: 3042 [2022-03-03 18:22:19,968 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 [2022-03-03 18:22:19,969 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 148 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:19,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 871 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:22:19,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3042 states. [2022-03-03 18:22:19,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3042 to 3042. [2022-03-03 18:22:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3042 states, 3030 states have (on average 1.878217821782178) internal successors, (5691), 3041 states have internal predecessors, (5691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:20,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 5691 transitions. [2022-03-03 18:22:20,003 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 5691 transitions. Word has length 217 [2022-03-03 18:22:20,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:20,004 INFO L470 AbstractCegarLoop]: Abstraction has 3042 states and 5691 transitions. [2022-03-03 18:22:20,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 43.4) internal successors, (217), 6 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:20,004 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 5691 transitions. [2022-03-03 18:22:20,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-03 18:22:20,006 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:20,006 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:20,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-03 18:22:20,007 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:20,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:20,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1616213939, now seen corresponding path program 1 times [2022-03-03 18:22:20,007 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:20,007 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121010839] [2022-03-03 18:22:20,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:20,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:20,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:20,125 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:20,125 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121010839] [2022-03-03 18:22:20,127 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121010839] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:20,127 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:20,127 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:22:20,127 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923478961] [2022-03-03 18:22:20,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:20,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:22:20,127 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:20,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:22:20,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:22:20,128 INFO L87 Difference]: Start difference. First operand 3042 states and 5691 transitions. Second operand has 6 states, 5 states have (on average 45.0) internal successors, (225), 6 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:20,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:20,318 INFO L93 Difference]: Finished difference Result 3234 states and 6040 transitions. [2022-03-03 18:22:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:22:20,319 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 45.0) internal successors, (225), 6 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 225 [2022-03-03 18:22:20,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:20,323 INFO L225 Difference]: With dead ends: 3234 [2022-03-03 18:22:20,323 INFO L226 Difference]: Without dead ends: 2748 [2022-03-03 18:22:20,324 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 [2022-03-03 18:22:20,324 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 155 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:20,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 696 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:22:20,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2022-03-03 18:22:20,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2732. [2022-03-03 18:22:20,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2732 states, 2720 states have (on average 1.84375) internal successors, (5015), 2731 states have internal predecessors, (5015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:20,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2732 states and 5015 transitions. [2022-03-03 18:22:20,385 INFO L78 Accepts]: Start accepts. Automaton has 2732 states and 5015 transitions. Word has length 225 [2022-03-03 18:22:20,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:20,386 INFO L470 AbstractCegarLoop]: Abstraction has 2732 states and 5015 transitions. [2022-03-03 18:22:20,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 45.0) internal successors, (225), 6 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:20,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 5015 transitions. [2022-03-03 18:22:20,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-03 18:22:20,388 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:20,389 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:20,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-03 18:22:20,389 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:20,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:20,390 INFO L85 PathProgramCache]: Analyzing trace with hash -708561846, now seen corresponding path program 1 times [2022-03-03 18:22:20,390 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:20,390 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918834188] [2022-03-03 18:22:20,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:20,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:21,125 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:21,125 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918834188] [2022-03-03 18:22:21,125 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918834188] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:21,125 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:21,125 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-03 18:22:21,125 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978411164] [2022-03-03 18:22:21,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:21,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-03 18:22:21,126 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:21,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-03 18:22:21,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:22:21,126 INFO L87 Difference]: Start difference. First operand 2732 states and 5015 transitions. Second operand has 25 states, 24 states have (on average 9.375) internal successors, (225), 25 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:22,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:22,763 INFO L93 Difference]: Finished difference Result 2959 states and 5441 transitions. [2022-03-03 18:22:22,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-03 18:22:22,764 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 9.375) internal successors, (225), 25 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 225 [2022-03-03 18:22:22,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:22,768 INFO L225 Difference]: With dead ends: 2959 [2022-03-03 18:22:22,768 INFO L226 Difference]: Without dead ends: 2959 [2022-03-03 18:22:22,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=437, Invalid=2425, Unknown=0, NotChecked=0, Total=2862 [2022-03-03 18:22:22,769 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 1260 mSDsluCounter, 2179 mSDsCounter, 0 mSdLazyCounter, 2405 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 2696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 2405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:22,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1260 Valid, 2414 Invalid, 2696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 2405 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-03 18:22:22,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2959 states. [2022-03-03 18:22:22,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2959 to 2810. [2022-03-03 18:22:22,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2810 states, 2798 states have (on average 1.8491779842744818) internal successors, (5174), 2809 states have internal predecessors, (5174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2810 states and 5174 transitions. [2022-03-03 18:22:22,800 INFO L78 Accepts]: Start accepts. Automaton has 2810 states and 5174 transitions. Word has length 225 [2022-03-03 18:22:22,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:22,800 INFO L470 AbstractCegarLoop]: Abstraction has 2810 states and 5174 transitions. [2022-03-03 18:22:22,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 9.375) internal successors, (225), 25 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2810 states and 5174 transitions. [2022-03-03 18:22:22,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-03 18:22:22,803 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:22,803 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:22,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-03 18:22:22,803 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:22,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:22,803 INFO L85 PathProgramCache]: Analyzing trace with hash 572259991, now seen corresponding path program 1 times [2022-03-03 18:22:22,804 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:22,804 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386483781] [2022-03-03 18:22:22,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:22,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:23,360 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:23,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386483781] [2022-03-03 18:22:23,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386483781] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:23,360 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:23,360 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-03 18:22:23,360 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259185978] [2022-03-03 18:22:23,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:23,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-03 18:22:23,361 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:23,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-03 18:22:23,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:22:23,361 INFO L87 Difference]: Start difference. First operand 2810 states and 5174 transitions. Second operand has 25 states, 24 states have (on average 9.375) internal successors, (225), 25 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:24,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:24,466 INFO L93 Difference]: Finished difference Result 2805 states and 5159 transitions. [2022-03-03 18:22:24,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-03 18:22:24,466 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 9.375) internal successors, (225), 25 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 225 [2022-03-03 18:22:24,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:24,474 INFO L225 Difference]: With dead ends: 2805 [2022-03-03 18:22:24,474 INFO L226 Difference]: Without dead ends: 2805 [2022-03-03 18:22:24,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=338, Invalid=1918, Unknown=0, NotChecked=0, Total=2256 [2022-03-03 18:22:24,475 INFO L933 BasicCegarLoop]: 256 mSDtfsCounter, 1252 mSDsluCounter, 2311 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 2560 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:24,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1252 Valid, 2560 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-03 18:22:24,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2805 states. [2022-03-03 18:22:24,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2805 to 2745. [2022-03-03 18:22:24,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2745 states, 2734 states have (on average 1.843818580833943) internal successors, (5041), 2744 states have internal predecessors, (5041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:24,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2745 states and 5041 transitions. [2022-03-03 18:22:24,510 INFO L78 Accepts]: Start accepts. Automaton has 2745 states and 5041 transitions. Word has length 225 [2022-03-03 18:22:24,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:24,510 INFO L470 AbstractCegarLoop]: Abstraction has 2745 states and 5041 transitions. [2022-03-03 18:22:24,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 9.375) internal successors, (225), 25 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:24,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2745 states and 5041 transitions. [2022-03-03 18:22:24,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-03 18:22:24,513 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:24,513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:24,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-03 18:22:24,513 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:24,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:24,514 INFO L85 PathProgramCache]: Analyzing trace with hash -777197484, now seen corresponding path program 2 times [2022-03-03 18:22:24,514 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:24,514 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648447550] [2022-03-03 18:22:24,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:24,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:25,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:25,221 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:25,221 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648447550] [2022-03-03 18:22:25,221 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648447550] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:25,221 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:25,221 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-03 18:22:25,221 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288245919] [2022-03-03 18:22:25,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:25,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-03 18:22:25,222 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:25,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-03 18:22:25,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2022-03-03 18:22:25,222 INFO L87 Difference]: Start difference. First operand 2745 states and 5041 transitions. Second operand has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:27,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:27,740 INFO L93 Difference]: Finished difference Result 3857 states and 7132 transitions. [2022-03-03 18:22:27,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-03 18:22:27,740 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 225 [2022-03-03 18:22:27,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:27,759 INFO L225 Difference]: With dead ends: 3857 [2022-03-03 18:22:27,760 INFO L226 Difference]: Without dead ends: 3857 [2022-03-03 18:22:27,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 736 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=548, Invalid=2992, Unknown=0, NotChecked=0, Total=3540 [2022-03-03 18:22:27,761 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 1218 mSDsluCounter, 3749 mSDsCounter, 0 mSdLazyCounter, 3629 mSolverCounterSat, 386 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 4057 SdHoareTripleChecker+Invalid, 4015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 386 IncrementalHoareTripleChecker+Valid, 3629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:27,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1218 Valid, 4057 Invalid, 4015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [386 Valid, 3629 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-03 18:22:27,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3857 states. [2022-03-03 18:22:27,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3857 to 2725. [2022-03-03 18:22:27,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2725 states, 2714 states have (on average 1.8426676492262344) internal successors, (5001), 2724 states have internal predecessors, (5001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:27,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 5001 transitions. [2022-03-03 18:22:27,796 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 5001 transitions. Word has length 225 [2022-03-03 18:22:27,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:27,796 INFO L470 AbstractCegarLoop]: Abstraction has 2725 states and 5001 transitions. [2022-03-03 18:22:27,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:27,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 5001 transitions. [2022-03-03 18:22:27,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-03 18:22:27,799 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:27,799 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:27,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-03 18:22:27,799 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:27,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:27,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1493869290, now seen corresponding path program 3 times [2022-03-03 18:22:27,799 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:27,799 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014296349] [2022-03-03 18:22:27,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:27,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:28,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:28,566 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:28,566 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014296349] [2022-03-03 18:22:28,566 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014296349] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:28,566 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:28,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-03 18:22:28,566 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300771633] [2022-03-03 18:22:28,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:28,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-03 18:22:28,567 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:28,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-03 18:22:28,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2022-03-03 18:22:28,567 INFO L87 Difference]: Start difference. First operand 2725 states and 5001 transitions. Second operand has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:31,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:31,033 INFO L93 Difference]: Finished difference Result 3801 states and 7020 transitions. [2022-03-03 18:22:31,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-03 18:22:31,034 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 225 [2022-03-03 18:22:31,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:31,039 INFO L225 Difference]: With dead ends: 3801 [2022-03-03 18:22:31,040 INFO L226 Difference]: Without dead ends: 3801 [2022-03-03 18:22:31,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=490, Invalid=2590, Unknown=0, NotChecked=0, Total=3080 [2022-03-03 18:22:31,041 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 1191 mSDsluCounter, 4401 mSDsCounter, 0 mSdLazyCounter, 3941 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 4717 SdHoareTripleChecker+Invalid, 4243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 3941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:31,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1191 Valid, 4717 Invalid, 4243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [302 Valid, 3941 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-03 18:22:31,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3801 states. [2022-03-03 18:22:31,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3801 to 2725. [2022-03-03 18:22:31,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2725 states, 2714 states have (on average 1.8426676492262344) internal successors, (5001), 2724 states have internal predecessors, (5001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:31,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 5001 transitions. [2022-03-03 18:22:31,075 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 5001 transitions. Word has length 225 [2022-03-03 18:22:31,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:31,076 INFO L470 AbstractCegarLoop]: Abstraction has 2725 states and 5001 transitions. [2022-03-03 18:22:31,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:31,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 5001 transitions. [2022-03-03 18:22:31,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-03 18:22:31,078 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:31,078 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:31,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-03 18:22:31,078 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:31,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:31,079 INFO L85 PathProgramCache]: Analyzing trace with hash -466913022, now seen corresponding path program 4 times [2022-03-03 18:22:31,079 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:31,079 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772991215] [2022-03-03 18:22:31,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:31,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:31,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:31,798 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:31,798 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772991215] [2022-03-03 18:22:31,798 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772991215] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:31,798 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:31,798 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-03 18:22:31,798 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203739180] [2022-03-03 18:22:31,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:31,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-03 18:22:31,799 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:31,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-03 18:22:31,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2022-03-03 18:22:31,800 INFO L87 Difference]: Start difference. First operand 2725 states and 5001 transitions. Second operand has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:34,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:34,147 INFO L93 Difference]: Finished difference Result 3854 states and 7126 transitions. [2022-03-03 18:22:34,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-03 18:22:34,148 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 225 [2022-03-03 18:22:34,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:34,152 INFO L225 Difference]: With dead ends: 3854 [2022-03-03 18:22:34,152 INFO L226 Difference]: Without dead ends: 3854 [2022-03-03 18:22:34,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=521, Invalid=2785, Unknown=0, NotChecked=0, Total=3306 [2022-03-03 18:22:34,154 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 1384 mSDsluCounter, 3788 mSDsCounter, 0 mSdLazyCounter, 3511 mSolverCounterSat, 406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1384 SdHoareTripleChecker+Valid, 4108 SdHoareTripleChecker+Invalid, 3917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 3511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:34,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1384 Valid, 4108 Invalid, 3917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [406 Valid, 3511 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-03 18:22:34,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3854 states. [2022-03-03 18:22:34,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3854 to 2725. [2022-03-03 18:22:34,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2725 states, 2714 states have (on average 1.8426676492262344) internal successors, (5001), 2724 states have internal predecessors, (5001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:34,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 5001 transitions. [2022-03-03 18:22:34,201 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 5001 transitions. Word has length 225 [2022-03-03 18:22:34,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:34,201 INFO L470 AbstractCegarLoop]: Abstraction has 2725 states and 5001 transitions. [2022-03-03 18:22:34,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 5001 transitions. [2022-03-03 18:22:34,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-03-03 18:22:34,204 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:34,204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:34,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-03 18:22:34,205 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:34,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:34,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1841771890, now seen corresponding path program 5 times [2022-03-03 18:22:34,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:34,205 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667916543] [2022-03-03 18:22:34,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:34,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:34,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:34,867 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:34,867 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667916543] [2022-03-03 18:22:34,867 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667916543] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:34,867 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:34,868 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-03 18:22:34,868 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614735229] [2022-03-03 18:22:34,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:34,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-03 18:22:34,868 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:34,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-03 18:22:34,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2022-03-03 18:22:34,869 INFO L87 Difference]: Start difference. First operand 2725 states and 5001 transitions. Second operand has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:37,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:37,242 INFO L93 Difference]: Finished difference Result 3812 states and 7042 transitions. [2022-03-03 18:22:37,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-03 18:22:37,243 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 225 [2022-03-03 18:22:37,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:37,247 INFO L225 Difference]: With dead ends: 3812 [2022-03-03 18:22:37,247 INFO L226 Difference]: Without dead ends: 3812 [2022-03-03 18:22:37,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=532, Invalid=2890, Unknown=0, NotChecked=0, Total=3422 [2022-03-03 18:22:37,249 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 1312 mSDsluCounter, 3550 mSDsCounter, 0 mSdLazyCounter, 3438 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1312 SdHoareTripleChecker+Valid, 3862 SdHoareTripleChecker+Invalid, 3819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 3438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:37,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1312 Valid, 3862 Invalid, 3819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 3438 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-03 18:22:37,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2022-03-03 18:22:37,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 2660. [2022-03-03 18:22:37,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 2649 states have (on average 1.8388070970177426) internal successors, (4871), 2659 states have internal predecessors, (4871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:37,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 4871 transitions. [2022-03-03 18:22:37,284 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 4871 transitions. Word has length 225 [2022-03-03 18:22:37,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:37,284 INFO L470 AbstractCegarLoop]: Abstraction has 2660 states and 4871 transitions. [2022-03-03 18:22:37,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.653846153846153) internal successors, (225), 27 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:37,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 4871 transitions. [2022-03-03 18:22:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-03-03 18:22:37,287 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:37,287 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:37,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-03 18:22:37,287 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:37,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:37,287 INFO L85 PathProgramCache]: Analyzing trace with hash 870818900, now seen corresponding path program 1 times [2022-03-03 18:22:37,287 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:37,287 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854791116] [2022-03-03 18:22:37,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:37,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:37,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:37,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:37,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854791116] [2022-03-03 18:22:37,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854791116] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:37,901 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:37,901 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-03 18:22:37,901 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456336706] [2022-03-03 18:22:37,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:37,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-03 18:22:37,901 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:37,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-03 18:22:37,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:22:37,902 INFO L87 Difference]: Start difference. First operand 2660 states and 4871 transitions. Second operand has 25 states, 24 states have (on average 9.583333333333334) internal successors, (230), 25 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:39,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:39,538 INFO L93 Difference]: Finished difference Result 2898 states and 5319 transitions. [2022-03-03 18:22:39,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-03 18:22:39,538 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 9.583333333333334) internal successors, (230), 25 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 230 [2022-03-03 18:22:39,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:39,541 INFO L225 Difference]: With dead ends: 2898 [2022-03-03 18:22:39,541 INFO L226 Difference]: Without dead ends: 2898 [2022-03-03 18:22:39,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=461, Invalid=2619, Unknown=0, NotChecked=0, Total=3080 [2022-03-03 18:22:39,542 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 1202 mSDsluCounter, 2764 mSDsCounter, 0 mSdLazyCounter, 2779 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1202 SdHoareTripleChecker+Valid, 3008 SdHoareTripleChecker+Invalid, 3079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 2779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:39,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1202 Valid, 3008 Invalid, 3079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 2779 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-03 18:22:39,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2898 states. [2022-03-03 18:22:39,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2898 to 2718. [2022-03-03 18:22:39,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2707 states have (on average 1.842260805319542) internal successors, (4987), 2717 states have internal predecessors, (4987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:39,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 4987 transitions. [2022-03-03 18:22:39,577 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 4987 transitions. Word has length 230 [2022-03-03 18:22:39,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:39,578 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 4987 transitions. [2022-03-03 18:22:39,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 9.583333333333334) internal successors, (230), 25 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:39,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 4987 transitions. [2022-03-03 18:22:39,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-03-03 18:22:39,584 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:39,584 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:39,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-03 18:22:39,584 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:39,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:39,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1109359198, now seen corresponding path program 2 times [2022-03-03 18:22:39,584 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:39,584 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245535854] [2022-03-03 18:22:39,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:39,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:41,073 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:41,073 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245535854] [2022-03-03 18:22:41,073 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245535854] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:41,073 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:41,073 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-03 18:22:41,073 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128831116] [2022-03-03 18:22:41,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:41,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-03 18:22:41,074 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:41,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-03 18:22:41,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:22:41,075 INFO L87 Difference]: Start difference. First operand 2718 states and 4987 transitions. Second operand has 28 states, 27 states have (on average 8.518518518518519) internal successors, (230), 28 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:43,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:43,898 INFO L93 Difference]: Finished difference Result 4035 states and 7491 transitions. [2022-03-03 18:22:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-03 18:22:43,899 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.518518518518519) internal successors, (230), 28 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 230 [2022-03-03 18:22:43,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:43,903 INFO L225 Difference]: With dead ends: 4035 [2022-03-03 18:22:43,903 INFO L226 Difference]: Without dead ends: 4035 [2022-03-03 18:22:43,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1397 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=791, Invalid=4465, Unknown=0, NotChecked=0, Total=5256 [2022-03-03 18:22:43,905 INFO L933 BasicCegarLoop]: 298 mSDtfsCounter, 1871 mSDsluCounter, 3351 mSDsCounter, 0 mSdLazyCounter, 3062 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1871 SdHoareTripleChecker+Valid, 3638 SdHoareTripleChecker+Invalid, 3573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 3062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:43,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1871 Valid, 3638 Invalid, 3573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 3062 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-03 18:22:43,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4035 states. [2022-03-03 18:22:43,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4035 to 2716. [2022-03-03 18:22:43,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2705 states have (on average 1.8421441774491683) internal successors, (4983), 2715 states have internal predecessors, (4983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:43,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 4983 transitions. [2022-03-03 18:22:43,939 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 4983 transitions. Word has length 230 [2022-03-03 18:22:43,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:43,939 INFO L470 AbstractCegarLoop]: Abstraction has 2716 states and 4983 transitions. [2022-03-03 18:22:43,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.518518518518519) internal successors, (230), 28 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:43,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 4983 transitions. [2022-03-03 18:22:43,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-03-03 18:22:43,942 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:43,942 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:43,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-03 18:22:43,942 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:43,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:43,942 INFO L85 PathProgramCache]: Analyzing trace with hash -570058284, now seen corresponding path program 3 times [2022-03-03 18:22:43,943 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:43,943 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004388912] [2022-03-03 18:22:43,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:43,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:44,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:44,535 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:44,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004388912] [2022-03-03 18:22:44,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004388912] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:44,535 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:44,535 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-03-03 18:22:44,535 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992892360] [2022-03-03 18:22:44,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:44,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-03 18:22:44,535 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:44,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-03 18:22:44,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:22:44,536 INFO L87 Difference]: Start difference. First operand 2716 states and 4983 transitions. Second operand has 25 states, 24 states have (on average 9.583333333333334) internal successors, (230), 25 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:46,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:46,426 INFO L93 Difference]: Finished difference Result 2797 states and 5128 transitions. [2022-03-03 18:22:46,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-03 18:22:46,427 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 9.583333333333334) internal successors, (230), 25 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 230 [2022-03-03 18:22:46,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:46,430 INFO L225 Difference]: With dead ends: 2797 [2022-03-03 18:22:46,430 INFO L226 Difference]: Without dead ends: 2797 [2022-03-03 18:22:46,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=565, Invalid=3095, Unknown=0, NotChecked=0, Total=3660 [2022-03-03 18:22:46,432 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 1352 mSDsluCounter, 3185 mSDsCounter, 0 mSdLazyCounter, 3163 mSolverCounterSat, 361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1352 SdHoareTripleChecker+Valid, 3507 SdHoareTripleChecker+Invalid, 3524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 361 IncrementalHoareTripleChecker+Valid, 3163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:46,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1352 Valid, 3507 Invalid, 3524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [361 Valid, 3163 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-03 18:22:46,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2022-03-03 18:22:46,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 2584. [2022-03-03 18:22:46,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2584 states, 2573 states have (on average 1.8383210260396425) internal successors, (4730), 2583 states have internal predecessors, (4730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:46,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2584 states and 4730 transitions. [2022-03-03 18:22:46,461 INFO L78 Accepts]: Start accepts. Automaton has 2584 states and 4730 transitions. Word has length 230 [2022-03-03 18:22:46,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:46,461 INFO L470 AbstractCegarLoop]: Abstraction has 2584 states and 4730 transitions. [2022-03-03 18:22:46,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 9.583333333333334) internal successors, (230), 25 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:46,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 4730 transitions. [2022-03-03 18:22:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-03-03 18:22:46,465 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:46,466 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:46,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-03 18:22:46,466 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:46,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:46,466 INFO L85 PathProgramCache]: Analyzing trace with hash 44133478, now seen corresponding path program 1 times [2022-03-03 18:22:46,466 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:46,466 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682541005] [2022-03-03 18:22:46,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:46,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:47,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:47,939 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:47,939 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682541005] [2022-03-03 18:22:47,939 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682541005] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:47,939 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:47,939 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:22:47,939 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046712640] [2022-03-03 18:22:47,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:47,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:22:47,941 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:47,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:22:47,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:22:47,941 INFO L87 Difference]: Start difference. First operand 2584 states and 4730 transitions. Second operand has 29 states, 28 states have (on average 8.321428571428571) internal successors, (233), 29 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:50,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:50,177 INFO L93 Difference]: Finished difference Result 2567 states and 4697 transitions. [2022-03-03 18:22:50,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-03 18:22:50,177 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.321428571428571) internal successors, (233), 29 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2022-03-03 18:22:50,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:50,180 INFO L225 Difference]: With dead ends: 2567 [2022-03-03 18:22:50,180 INFO L226 Difference]: Without dead ends: 2535 [2022-03-03 18:22:50,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 692 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=471, Invalid=2721, Unknown=0, NotChecked=0, Total=3192 [2022-03-03 18:22:50,181 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 2146 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2146 SdHoareTripleChecker+Valid, 2462 SdHoareTripleChecker+Invalid, 3172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1170 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:50,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2146 Valid, 2462 Invalid, 3172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1170 Valid, 2002 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-03 18:22:50,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2535 states. [2022-03-03 18:22:50,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2535 to 2516. [2022-03-03 18:22:50,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 2507 states have (on average 1.836059034702832) internal successors, (4603), 2515 states have internal predecessors, (4603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 4603 transitions. [2022-03-03 18:22:50,205 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 4603 transitions. Word has length 233 [2022-03-03 18:22:50,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:50,205 INFO L470 AbstractCegarLoop]: Abstraction has 2516 states and 4603 transitions. [2022-03-03 18:22:50,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.321428571428571) internal successors, (233), 29 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:50,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 4603 transitions. [2022-03-03 18:22:50,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-03-03 18:22:50,208 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:50,208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:50,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-03 18:22:50,208 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:50,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:50,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1470382605, now seen corresponding path program 1 times [2022-03-03 18:22:50,209 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:50,209 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720121331] [2022-03-03 18:22:50,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:50,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:50,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:50,841 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:50,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720121331] [2022-03-03 18:22:50,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720121331] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:50,841 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:50,841 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-03 18:22:50,841 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181884039] [2022-03-03 18:22:50,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:50,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-03 18:22:50,841 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:50,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-03 18:22:50,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-03-03 18:22:50,842 INFO L87 Difference]: Start difference. First operand 2516 states and 4603 transitions. Second operand has 27 states, 26 states have (on average 8.961538461538462) internal successors, (233), 27 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:52,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:52,715 INFO L93 Difference]: Finished difference Result 2519 states and 4606 transitions. [2022-03-03 18:22:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-03 18:22:52,716 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.961538461538462) internal successors, (233), 27 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2022-03-03 18:22:52,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:52,718 INFO L225 Difference]: With dead ends: 2519 [2022-03-03 18:22:52,719 INFO L226 Difference]: Without dead ends: 2519 [2022-03-03 18:22:52,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 636 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=341, Invalid=2415, Unknown=0, NotChecked=0, Total=2756 [2022-03-03 18:22:52,720 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 1407 mSDsluCounter, 4008 mSDsCounter, 0 mSdLazyCounter, 3791 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1407 SdHoareTripleChecker+Valid, 4319 SdHoareTripleChecker+Invalid, 3892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:52,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1407 Valid, 4319 Invalid, 3892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3791 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-03 18:22:52,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2022-03-03 18:22:52,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 2471. [2022-03-03 18:22:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2471 states, 2462 states have (on average 1.8367181153533712) internal successors, (4522), 2470 states have internal predecessors, (4522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:52,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2471 states to 2471 states and 4522 transitions. [2022-03-03 18:22:52,772 INFO L78 Accepts]: Start accepts. Automaton has 2471 states and 4522 transitions. Word has length 233 [2022-03-03 18:22:52,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:52,772 INFO L470 AbstractCegarLoop]: Abstraction has 2471 states and 4522 transitions. [2022-03-03 18:22:52,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.961538461538462) internal successors, (233), 27 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 4522 transitions. [2022-03-03 18:22:52,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:22:52,774 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:52,774 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:52,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-03 18:22:52,774 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:52,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:52,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1896761957, now seen corresponding path program 1 times [2022-03-03 18:22:52,775 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:52,775 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439384525] [2022-03-03 18:22:52,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:52,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:53,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:53,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:53,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439384525] [2022-03-03 18:22:53,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439384525] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:53,917 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:53,917 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:22:53,917 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745079543] [2022-03-03 18:22:53,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:53,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:22:53,918 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:53,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:22:53,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=729, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:22:53,918 INFO L87 Difference]: Start difference. First operand 2471 states and 4522 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:56,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:56,719 INFO L93 Difference]: Finished difference Result 3268 states and 5986 transitions. [2022-03-03 18:22:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-03 18:22:56,720 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:22:56,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:56,723 INFO L225 Difference]: With dead ends: 3268 [2022-03-03 18:22:56,723 INFO L226 Difference]: Without dead ends: 3268 [2022-03-03 18:22:56,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1001 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=502, Invalid=3658, Unknown=0, NotChecked=0, Total=4160 [2022-03-03 18:22:56,724 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 1265 mSDsluCounter, 3787 mSDsCounter, 0 mSdLazyCounter, 4474 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 4026 SdHoareTripleChecker+Invalid, 4745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 4474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:56,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1265 Valid, 4026 Invalid, 4745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 4474 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-03 18:22:56,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3268 states. [2022-03-03 18:22:56,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3268 to 2745. [2022-03-03 18:22:56,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2745 states, 2736 states have (on average 1.8472222222222223) internal successors, (5054), 2744 states have internal predecessors, (5054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:56,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2745 states and 5054 transitions. [2022-03-03 18:22:56,756 INFO L78 Accepts]: Start accepts. Automaton has 2745 states and 5054 transitions. Word has length 234 [2022-03-03 18:22:56,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:56,757 INFO L470 AbstractCegarLoop]: Abstraction has 2745 states and 5054 transitions. [2022-03-03 18:22:56,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:56,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2745 states and 5054 transitions. [2022-03-03 18:22:56,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:22:56,759 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:56,759 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:56,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-03 18:22:56,760 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:56,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:56,760 INFO L85 PathProgramCache]: Analyzing trace with hash -46511695, now seen corresponding path program 1 times [2022-03-03 18:22:56,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:56,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402774379] [2022-03-03 18:22:56,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:56,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:57,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:57,387 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:57,387 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402774379] [2022-03-03 18:22:57,388 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402774379] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:57,388 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:57,388 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:22:57,388 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072818719] [2022-03-03 18:22:57,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:57,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:22:57,388 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:57,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:22:57,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:22:57,389 INFO L87 Difference]: Start difference. First operand 2745 states and 5054 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:59,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:59,204 INFO L93 Difference]: Finished difference Result 2923 states and 5379 transitions. [2022-03-03 18:22:59,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-03 18:22:59,204 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:22:59,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:59,207 INFO L225 Difference]: With dead ends: 2923 [2022-03-03 18:22:59,207 INFO L226 Difference]: Without dead ends: 2887 [2022-03-03 18:22:59,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 835 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=464, Invalid=3442, Unknown=0, NotChecked=0, Total=3906 [2022-03-03 18:22:59,209 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 1342 mSDsluCounter, 3504 mSDsCounter, 0 mSdLazyCounter, 3073 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 3190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 3073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:59,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1342 Valid, 3754 Invalid, 3190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 3073 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-03 18:22:59,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2887 states. [2022-03-03 18:22:59,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2887 to 2764. [2022-03-03 18:22:59,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2764 states, 2755 states have (on average 1.8482758620689654) internal successors, (5092), 2763 states have internal predecessors, (5092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:59,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 5092 transitions. [2022-03-03 18:22:59,237 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 5092 transitions. Word has length 234 [2022-03-03 18:22:59,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:59,237 INFO L470 AbstractCegarLoop]: Abstraction has 2764 states and 5092 transitions. [2022-03-03 18:22:59,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:59,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 5092 transitions. [2022-03-03 18:22:59,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:22:59,240 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:59,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:59,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-03 18:22:59,241 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:22:59,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:59,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1070349691, now seen corresponding path program 2 times [2022-03-03 18:22:59,241 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:59,241 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299210828] [2022-03-03 18:22:59,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:59,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:59,854 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:59,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299210828] [2022-03-03 18:22:59,854 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299210828] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:59,854 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:59,854 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:22:59,854 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36700533] [2022-03-03 18:22:59,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:59,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:22:59,855 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:59,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:22:59,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:22:59,855 INFO L87 Difference]: Start difference. First operand 2764 states and 5092 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:01,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:01,797 INFO L93 Difference]: Finished difference Result 2972 states and 5482 transitions. [2022-03-03 18:23:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-03 18:23:01,805 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:01,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:01,808 INFO L225 Difference]: With dead ends: 2972 [2022-03-03 18:23:01,809 INFO L226 Difference]: Without dead ends: 2936 [2022-03-03 18:23:01,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=411, Invalid=3129, Unknown=0, NotChecked=0, Total=3540 [2022-03-03 18:23:01,810 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 933 mSDsluCounter, 4384 mSDsCounter, 0 mSdLazyCounter, 3518 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 4637 SdHoareTripleChecker+Invalid, 3626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:01,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [933 Valid, 4637 Invalid, 3626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3518 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-03 18:23:01,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2936 states. [2022-03-03 18:23:01,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2936 to 2766. [2022-03-03 18:23:01,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2757 states have (on average 1.8483859267319551) internal successors, (5096), 2765 states have internal predecessors, (5096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:01,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 5096 transitions. [2022-03-03 18:23:01,837 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 5096 transitions. Word has length 234 [2022-03-03 18:23:01,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:01,837 INFO L470 AbstractCegarLoop]: Abstraction has 2766 states and 5096 transitions. [2022-03-03 18:23:01,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:01,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 5096 transitions. [2022-03-03 18:23:01,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:01,840 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:01,840 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:01,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-03 18:23:01,840 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:01,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:01,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1495872881, now seen corresponding path program 3 times [2022-03-03 18:23:01,841 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:01,841 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520254259] [2022-03-03 18:23:01,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:01,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:02,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:02,487 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:02,487 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520254259] [2022-03-03 18:23:02,487 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520254259] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:02,487 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:02,487 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:23:02,487 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809910133] [2022-03-03 18:23:02,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:02,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:23:02,487 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:02,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:23:02,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:23:02,488 INFO L87 Difference]: Start difference. First operand 2766 states and 5096 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:04,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:04,496 INFO L93 Difference]: Finished difference Result 2938 states and 5416 transitions. [2022-03-03 18:23:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-03 18:23:04,496 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:04,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:04,500 INFO L225 Difference]: With dead ends: 2938 [2022-03-03 18:23:04,500 INFO L226 Difference]: Without dead ends: 2911 [2022-03-03 18:23:04,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 948 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=441, Invalid=3719, Unknown=0, NotChecked=0, Total=4160 [2022-03-03 18:23:04,501 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 1100 mSDsluCounter, 3999 mSDsCounter, 0 mSdLazyCounter, 3604 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1100 SdHoareTripleChecker+Valid, 4238 SdHoareTripleChecker+Invalid, 3708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 3604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:04,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1100 Valid, 4238 Invalid, 3708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 3604 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-03 18:23:04,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2911 states. [2022-03-03 18:23:04,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2911 to 2768. [2022-03-03 18:23:04,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2768 states, 2759 states have (on average 1.8484958318231244) internal successors, (5100), 2767 states have internal predecessors, (5100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:04,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2768 states and 5100 transitions. [2022-03-03 18:23:04,530 INFO L78 Accepts]: Start accepts. Automaton has 2768 states and 5100 transitions. Word has length 234 [2022-03-03 18:23:04,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:04,530 INFO L470 AbstractCegarLoop]: Abstraction has 2768 states and 5100 transitions. [2022-03-03 18:23:04,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:04,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 5100 transitions. [2022-03-03 18:23:04,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:04,533 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:04,533 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:04,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-03 18:23:04,533 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:04,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:04,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1269173169, now seen corresponding path program 4 times [2022-03-03 18:23:04,534 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:04,534 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487742711] [2022-03-03 18:23:04,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:04,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:05,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:05,206 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:05,206 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487742711] [2022-03-03 18:23:05,206 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487742711] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:05,206 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:05,206 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:23:05,206 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599902489] [2022-03-03 18:23:05,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:05,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:23:05,207 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:05,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:23:05,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=839, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:23:05,207 INFO L87 Difference]: Start difference. First operand 2768 states and 5100 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:07,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:07,200 INFO L93 Difference]: Finished difference Result 2856 states and 5263 transitions. [2022-03-03 18:23:07,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-03 18:23:07,200 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:07,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:07,203 INFO L225 Difference]: With dead ends: 2856 [2022-03-03 18:23:07,203 INFO L226 Difference]: Without dead ends: 2847 [2022-03-03 18:23:07,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 835 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=416, Invalid=3366, Unknown=0, NotChecked=0, Total=3782 [2022-03-03 18:23:07,204 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 1008 mSDsluCounter, 4251 mSDsCounter, 0 mSdLazyCounter, 3786 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1008 SdHoareTripleChecker+Valid, 4476 SdHoareTripleChecker+Invalid, 3862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 3786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:07,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1008 Valid, 4476 Invalid, 3862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 3786 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-03 18:23:07,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2022-03-03 18:23:07,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2772. [2022-03-03 18:23:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2772 states, 2763 states have (on average 1.8487151646760767) internal successors, (5108), 2771 states have internal predecessors, (5108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:07,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 5108 transitions. [2022-03-03 18:23:07,230 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 5108 transitions. Word has length 234 [2022-03-03 18:23:07,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:07,231 INFO L470 AbstractCegarLoop]: Abstraction has 2772 states and 5108 transitions. [2022-03-03 18:23:07,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:07,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 5108 transitions. [2022-03-03 18:23:07,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:07,233 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:07,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:07,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-03 18:23:07,234 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:07,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:07,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1287607195, now seen corresponding path program 5 times [2022-03-03 18:23:07,234 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:07,234 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360612196] [2022-03-03 18:23:07,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:07,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:07,885 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:07,885 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360612196] [2022-03-03 18:23:07,885 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360612196] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:07,885 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:07,885 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:23:07,885 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867934768] [2022-03-03 18:23:07,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:07,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:23:07,886 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:07,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:23:07,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:23:07,886 INFO L87 Difference]: Start difference. First operand 2772 states and 5108 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:09,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:09,818 INFO L93 Difference]: Finished difference Result 2882 states and 5313 transitions. [2022-03-03 18:23:09,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-03 18:23:09,819 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:09,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:09,822 INFO L225 Difference]: With dead ends: 2882 [2022-03-03 18:23:09,822 INFO L226 Difference]: Without dead ends: 2864 [2022-03-03 18:23:09,822 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=433, Invalid=3599, Unknown=0, NotChecked=0, Total=4032 [2022-03-03 18:23:09,823 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 1247 mSDsluCounter, 3614 mSDsCounter, 0 mSdLazyCounter, 3455 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 3848 SdHoareTripleChecker+Invalid, 3556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:09,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1247 Valid, 3848 Invalid, 3556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3455 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-03 18:23:09,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-03-03 18:23:09,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2772. [2022-03-03 18:23:09,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2772 states, 2763 states have (on average 1.8487151646760767) internal successors, (5108), 2771 states have internal predecessors, (5108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:09,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 5108 transitions. [2022-03-03 18:23:09,851 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 5108 transitions. Word has length 234 [2022-03-03 18:23:09,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:09,851 INFO L470 AbstractCegarLoop]: Abstraction has 2772 states and 5108 transitions. [2022-03-03 18:23:09,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:09,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 5108 transitions. [2022-03-03 18:23:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:09,854 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:09,854 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:09,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-03 18:23:09,854 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:09,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:09,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1234001283, now seen corresponding path program 6 times [2022-03-03 18:23:09,855 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:09,855 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561671710] [2022-03-03 18:23:09,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:09,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:10,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:10,879 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:10,879 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561671710] [2022-03-03 18:23:10,880 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561671710] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:10,880 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:10,880 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-03 18:23:10,880 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636531207] [2022-03-03 18:23:10,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:10,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-03 18:23:10,880 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:10,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-03 18:23:10,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=897, Unknown=0, NotChecked=0, Total=992 [2022-03-03 18:23:10,881 INFO L87 Difference]: Start difference. First operand 2772 states and 5108 transitions. Second operand has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:13,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:13,078 INFO L93 Difference]: Finished difference Result 2886 states and 5322 transitions. [2022-03-03 18:23:13,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-03 18:23:13,079 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:13,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:13,082 INFO L225 Difference]: With dead ends: 2886 [2022-03-03 18:23:13,082 INFO L226 Difference]: Without dead ends: 2877 [2022-03-03 18:23:13,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 875 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=459, Invalid=3573, Unknown=0, NotChecked=0, Total=4032 [2022-03-03 18:23:13,083 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 1200 mSDsluCounter, 3599 mSDsCounter, 0 mSdLazyCounter, 3217 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1200 SdHoareTripleChecker+Valid, 3838 SdHoareTripleChecker+Invalid, 3309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 3217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:13,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1200 Valid, 3838 Invalid, 3309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 3217 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-03 18:23:13,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2877 states. [2022-03-03 18:23:13,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2877 to 2779. [2022-03-03 18:23:13,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2770 states have (on average 1.8490974729241878) internal successors, (5122), 2778 states have internal predecessors, (5122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:13,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 5122 transitions. [2022-03-03 18:23:13,110 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 5122 transitions. Word has length 234 [2022-03-03 18:23:13,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:13,110 INFO L470 AbstractCegarLoop]: Abstraction has 2779 states and 5122 transitions. [2022-03-03 18:23:13,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 5122 transitions. [2022-03-03 18:23:13,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:13,113 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:13,113 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:13,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-03 18:23:13,113 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:13,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:13,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1492077647, now seen corresponding path program 7 times [2022-03-03 18:23:13,113 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:13,114 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580257639] [2022-03-03 18:23:13,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:13,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:14,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:14,307 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:14,307 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580257639] [2022-03-03 18:23:14,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580257639] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:14,307 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:14,307 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-03 18:23:14,307 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274921948] [2022-03-03 18:23:14,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:14,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-03 18:23:14,308 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:14,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-03 18:23:14,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=904, Unknown=0, NotChecked=0, Total=992 [2022-03-03 18:23:14,308 INFO L87 Difference]: Start difference. First operand 2779 states and 5122 transitions. Second operand has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:16,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:16,841 INFO L93 Difference]: Finished difference Result 2918 states and 5384 transitions. [2022-03-03 18:23:16,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-03 18:23:16,841 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:16,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:16,844 INFO L225 Difference]: With dead ends: 2918 [2022-03-03 18:23:16,845 INFO L226 Difference]: Without dead ends: 2900 [2022-03-03 18:23:16,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 959 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=466, Invalid=3694, Unknown=0, NotChecked=0, Total=4160 [2022-03-03 18:23:16,845 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 1397 mSDsluCounter, 3878 mSDsCounter, 0 mSdLazyCounter, 3361 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 4116 SdHoareTripleChecker+Invalid, 3483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 3361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:16,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1397 Valid, 4116 Invalid, 3483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 3361 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-03 18:23:16,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2900 states. [2022-03-03 18:23:16,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2900 to 2777. [2022-03-03 18:23:16,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 2768 states have (on average 1.8489884393063585) internal successors, (5118), 2776 states have internal predecessors, (5118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:16,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 5118 transitions. [2022-03-03 18:23:16,871 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 5118 transitions. Word has length 234 [2022-03-03 18:23:16,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:16,871 INFO L470 AbstractCegarLoop]: Abstraction has 2777 states and 5118 transitions. [2022-03-03 18:23:16,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:16,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 5118 transitions. [2022-03-03 18:23:16,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:16,874 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:16,874 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:16,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-03 18:23:16,874 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:16,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:16,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1284023717, now seen corresponding path program 8 times [2022-03-03 18:23:16,875 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:16,875 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144874604] [2022-03-03 18:23:16,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:16,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:17,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:17,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:17,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144874604] [2022-03-03 18:23:17,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144874604] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:17,696 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:17,696 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:23:17,696 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703531197] [2022-03-03 18:23:17,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:17,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:23:17,697 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:17,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:23:17,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:23:17,697 INFO L87 Difference]: Start difference. First operand 2777 states and 5118 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:20,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:20,074 INFO L93 Difference]: Finished difference Result 3431 states and 6371 transitions. [2022-03-03 18:23:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-03 18:23:20,074 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:20,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:20,078 INFO L225 Difference]: With dead ends: 3431 [2022-03-03 18:23:20,078 INFO L226 Difference]: Without dead ends: 3404 [2022-03-03 18:23:20,078 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1488 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=635, Invalid=5065, Unknown=0, NotChecked=0, Total=5700 [2022-03-03 18:23:20,079 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1410 mSDsluCounter, 4453 mSDsCounter, 0 mSdLazyCounter, 3740 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1410 SdHoareTripleChecker+Valid, 4738 SdHoareTripleChecker+Invalid, 3907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 3740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:20,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1410 Valid, 4738 Invalid, 3907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 3740 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-03 18:23:20,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2022-03-03 18:23:20,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 2821. [2022-03-03 18:23:20,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2821 states, 2812 states have (on average 1.8506401137980086) internal successors, (5204), 2820 states have internal predecessors, (5204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:20,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2821 states and 5204 transitions. [2022-03-03 18:23:20,102 INFO L78 Accepts]: Start accepts. Automaton has 2821 states and 5204 transitions. Word has length 234 [2022-03-03 18:23:20,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:20,103 INFO L470 AbstractCegarLoop]: Abstraction has 2821 states and 5204 transitions. [2022-03-03 18:23:20,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:20,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 5204 transitions. [2022-03-03 18:23:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:20,105 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:20,105 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:20,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-03 18:23:20,105 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:20,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:20,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1846532019, now seen corresponding path program 9 times [2022-03-03 18:23:20,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:20,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132201765] [2022-03-03 18:23:20,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:20,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:21,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:21,077 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:21,077 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132201765] [2022-03-03 18:23:21,077 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132201765] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:21,077 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:21,077 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-03 18:23:21,078 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878373869] [2022-03-03 18:23:21,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:21,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-03 18:23:21,078 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:21,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-03 18:23:21,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=962, Unknown=0, NotChecked=0, Total=1056 [2022-03-03 18:23:21,078 INFO L87 Difference]: Start difference. First operand 2821 states and 5204 transitions. Second operand has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:23,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:23,535 INFO L93 Difference]: Finished difference Result 3085 states and 5699 transitions. [2022-03-03 18:23:23,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-03 18:23:23,535 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:23,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:23,537 INFO L225 Difference]: With dead ends: 3085 [2022-03-03 18:23:23,537 INFO L226 Difference]: Without dead ends: 3049 [2022-03-03 18:23:23,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1085 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=512, Invalid=4180, Unknown=0, NotChecked=0, Total=4692 [2022-03-03 18:23:23,538 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 1338 mSDsluCounter, 4182 mSDsCounter, 0 mSdLazyCounter, 3696 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 4433 SdHoareTripleChecker+Invalid, 3829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 3696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:23,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1338 Valid, 4433 Invalid, 3829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 3696 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-03 18:23:23,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3049 states. [2022-03-03 18:23:23,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3049 to 2819. [2022-03-03 18:23:23,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2810 states have (on average 1.8505338078291815) internal successors, (5200), 2818 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:23,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 5200 transitions. [2022-03-03 18:23:23,560 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 5200 transitions. Word has length 234 [2022-03-03 18:23:23,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:23,560 INFO L470 AbstractCegarLoop]: Abstraction has 2819 states and 5200 transitions. [2022-03-03 18:23:23,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:23,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 5200 transitions. [2022-03-03 18:23:23,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:23,562 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:23,563 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:23,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-03 18:23:23,563 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:23,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:23,563 INFO L85 PathProgramCache]: Analyzing trace with hash 872501199, now seen corresponding path program 10 times [2022-03-03 18:23:23,563 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:23,563 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848980645] [2022-03-03 18:23:23,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:23,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:24,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:24,305 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:24,305 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848980645] [2022-03-03 18:23:24,306 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848980645] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:24,306 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:24,306 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-03 18:23:24,306 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743621590] [2022-03-03 18:23:24,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:24,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-03 18:23:24,306 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:24,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-03 18:23:24,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:23:24,307 INFO L87 Difference]: Start difference. First operand 2819 states and 5200 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:25,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:25,929 INFO L93 Difference]: Finished difference Result 2921 states and 5390 transitions. [2022-03-03 18:23:25,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-03 18:23:25,929 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:25,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:25,932 INFO L225 Difference]: With dead ends: 2921 [2022-03-03 18:23:25,932 INFO L226 Difference]: Without dead ends: 2912 [2022-03-03 18:23:25,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=409, Invalid=3013, Unknown=0, NotChecked=0, Total=3422 [2022-03-03 18:23:25,933 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 1124 mSDsluCounter, 2981 mSDsCounter, 0 mSdLazyCounter, 2449 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 3214 SdHoareTripleChecker+Invalid, 2566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 2449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:25,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1124 Valid, 3214 Invalid, 2566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 2449 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-03 18:23:25,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2912 states. [2022-03-03 18:23:25,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2912 to 2829. [2022-03-03 18:23:25,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2829 states, 2820 states have (on average 1.851063829787234) internal successors, (5220), 2828 states have internal predecessors, (5220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:25,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 2829 states and 5220 transitions. [2022-03-03 18:23:25,957 INFO L78 Accepts]: Start accepts. Automaton has 2829 states and 5220 transitions. Word has length 234 [2022-03-03 18:23:25,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:25,957 INFO L470 AbstractCegarLoop]: Abstraction has 2829 states and 5220 transitions. [2022-03-03 18:23:25,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:25,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2829 states and 5220 transitions. [2022-03-03 18:23:25,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:25,959 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:25,960 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:25,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-03 18:23:25,960 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:25,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:25,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1130577563, now seen corresponding path program 11 times [2022-03-03 18:23:25,960 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:25,960 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480031847] [2022-03-03 18:23:25,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:25,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:26,769 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:26,769 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480031847] [2022-03-03 18:23:26,769 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480031847] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:26,769 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:26,769 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:23:26,769 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291775827] [2022-03-03 18:23:26,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:26,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:23:26,769 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:26,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:23:26,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:23:26,770 INFO L87 Difference]: Start difference. First operand 2829 states and 5220 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:29,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:29,275 INFO L93 Difference]: Finished difference Result 3328 states and 6176 transitions. [2022-03-03 18:23:29,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-03 18:23:29,276 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:29,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:29,279 INFO L225 Difference]: With dead ends: 3328 [2022-03-03 18:23:29,279 INFO L226 Difference]: Without dead ends: 3310 [2022-03-03 18:23:29,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1427 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=633, Invalid=4917, Unknown=0, NotChecked=0, Total=5550 [2022-03-03 18:23:29,280 INFO L933 BasicCegarLoop]: 289 mSDtfsCounter, 1378 mSDsluCounter, 4585 mSDsCounter, 0 mSdLazyCounter, 3960 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 4866 SdHoareTripleChecker+Invalid, 4097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 3960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:29,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1378 Valid, 4866 Invalid, 4097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 3960 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-03 18:23:29,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3310 states. [2022-03-03 18:23:29,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3310 to 2825. [2022-03-03 18:23:29,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2825 states, 2816 states have (on average 1.8508522727272727) internal successors, (5212), 2824 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 5212 transitions. [2022-03-03 18:23:29,306 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 5212 transitions. Word has length 234 [2022-03-03 18:23:29,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:29,306 INFO L470 AbstractCegarLoop]: Abstraction has 2825 states and 5212 transitions. [2022-03-03 18:23:29,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:29,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 5212 transitions. [2022-03-03 18:23:29,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:29,308 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:29,309 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:29,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-03 18:23:29,309 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:29,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:29,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1631645811, now seen corresponding path program 12 times [2022-03-03 18:23:29,309 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:29,309 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196219937] [2022-03-03 18:23:29,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:29,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:30,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:30,282 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:30,282 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196219937] [2022-03-03 18:23:30,282 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196219937] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:30,282 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:30,282 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-03 18:23:30,283 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790471073] [2022-03-03 18:23:30,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:30,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-03 18:23:30,285 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:30,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-03 18:23:30,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=960, Unknown=0, NotChecked=0, Total=1056 [2022-03-03 18:23:30,285 INFO L87 Difference]: Start difference. First operand 2825 states and 5212 transitions. Second operand has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:32,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:32,798 INFO L93 Difference]: Finished difference Result 3043 states and 5624 transitions. [2022-03-03 18:23:32,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-03 18:23:32,798 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:32,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:32,801 INFO L225 Difference]: With dead ends: 3043 [2022-03-03 18:23:32,801 INFO L226 Difference]: Without dead ends: 3007 [2022-03-03 18:23:32,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=502, Invalid=4190, Unknown=0, NotChecked=0, Total=4692 [2022-03-03 18:23:32,802 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 1283 mSDsluCounter, 4306 mSDsCounter, 0 mSdLazyCounter, 3798 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1283 SdHoareTripleChecker+Valid, 4559 SdHoareTripleChecker+Invalid, 3925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 3798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:32,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1283 Valid, 4559 Invalid, 3925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 3798 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-03 18:23:32,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3007 states. [2022-03-03 18:23:32,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3007 to 2826. [2022-03-03 18:23:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2826 states, 2817 states have (on average 1.8509052183173589) internal successors, (5214), 2825 states have internal predecessors, (5214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:32,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2826 states and 5214 transitions. [2022-03-03 18:23:32,828 INFO L78 Accepts]: Start accepts. Automaton has 2826 states and 5214 transitions. Word has length 234 [2022-03-03 18:23:32,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:32,828 INFO L470 AbstractCegarLoop]: Abstraction has 2826 states and 5214 transitions. [2022-03-03 18:23:32,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:32,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 5214 transitions. [2022-03-03 18:23:32,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:32,831 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:32,831 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:32,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-03 18:23:32,831 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:32,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:32,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1480521311, now seen corresponding path program 13 times [2022-03-03 18:23:32,831 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:32,831 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809069158] [2022-03-03 18:23:32,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:32,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:33,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:33,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:33,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809069158] [2022-03-03 18:23:33,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809069158] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:33,953 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:33,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-03 18:23:33,953 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905822440] [2022-03-03 18:23:33,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:33,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-03 18:23:33,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:33,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-03 18:23:33,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:23:33,954 INFO L87 Difference]: Start difference. First operand 2826 states and 5214 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:36,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:36,308 INFO L93 Difference]: Finished difference Result 3045 states and 5628 transitions. [2022-03-03 18:23:36,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-03 18:23:36,309 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:36,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:36,312 INFO L225 Difference]: With dead ends: 3045 [2022-03-03 18:23:36,313 INFO L226 Difference]: Without dead ends: 3009 [2022-03-03 18:23:36,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 852 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=414, Invalid=3246, Unknown=0, NotChecked=0, Total=3660 [2022-03-03 18:23:36,313 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 1166 mSDsluCounter, 3379 mSDsCounter, 0 mSdLazyCounter, 2728 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 3635 SdHoareTripleChecker+Invalid, 2855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 2728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:36,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1166 Valid, 3635 Invalid, 2855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 2728 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-03 18:23:36,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3009 states. [2022-03-03 18:23:36,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3009 to 2827. [2022-03-03 18:23:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2827 states, 2818 states have (on average 1.850958126330731) internal successors, (5216), 2826 states have internal predecessors, (5216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:36,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2827 states and 5216 transitions. [2022-03-03 18:23:36,339 INFO L78 Accepts]: Start accepts. Automaton has 2827 states and 5216 transitions. Word has length 234 [2022-03-03 18:23:36,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:36,339 INFO L470 AbstractCegarLoop]: Abstraction has 2827 states and 5216 transitions. [2022-03-03 18:23:36,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:36,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 5216 transitions. [2022-03-03 18:23:36,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:36,341 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:36,341 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:36,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-03 18:23:36,342 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:36,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:36,342 INFO L85 PathProgramCache]: Analyzing trace with hash 500397683, now seen corresponding path program 14 times [2022-03-03 18:23:36,342 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:36,342 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333757910] [2022-03-03 18:23:36,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:36,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:37,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:37,555 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:37,555 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333757910] [2022-03-03 18:23:37,556 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333757910] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:37,556 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:37,556 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-03 18:23:37,556 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345187113] [2022-03-03 18:23:37,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:37,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-03 18:23:37,556 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:37,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-03 18:23:37,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=785, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:23:37,557 INFO L87 Difference]: Start difference. First operand 2827 states and 5216 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:40,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:40,142 INFO L93 Difference]: Finished difference Result 3065 states and 5662 transitions. [2022-03-03 18:23:40,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-03 18:23:40,143 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:40,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:40,146 INFO L225 Difference]: With dead ends: 3065 [2022-03-03 18:23:40,146 INFO L226 Difference]: Without dead ends: 3029 [2022-03-03 18:23:40,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=493, Invalid=3797, Unknown=0, NotChecked=0, Total=4290 [2022-03-03 18:23:40,146 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 1257 mSDsluCounter, 3291 mSDsCounter, 0 mSdLazyCounter, 2746 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 3539 SdHoareTripleChecker+Invalid, 2892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 2746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:40,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1257 Valid, 3539 Invalid, 2892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 2746 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-03 18:23:40,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2022-03-03 18:23:40,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 2806. [2022-03-03 18:23:40,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2806 states, 2797 states have (on average 1.8484090096531998) internal successors, (5170), 2805 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) [2022-03-03 18:23:40,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 5170 transitions. [2022-03-03 18:23:40,168 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 5170 transitions. Word has length 234 [2022-03-03 18:23:40,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:40,168 INFO L470 AbstractCegarLoop]: Abstraction has 2806 states and 5170 transitions. [2022-03-03 18:23:40,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:40,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 5170 transitions. [2022-03-03 18:23:40,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:40,171 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:40,171 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:40,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-03 18:23:40,171 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:40,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:40,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1122768871, now seen corresponding path program 15 times [2022-03-03 18:23:40,171 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:40,171 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788282217] [2022-03-03 18:23:40,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:40,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:40,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:40,983 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:40,983 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788282217] [2022-03-03 18:23:40,983 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788282217] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:40,983 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:40,983 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-03 18:23:40,983 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858266071] [2022-03-03 18:23:40,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:40,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-03 18:23:40,984 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:40,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-03 18:23:40,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=898, Unknown=0, NotChecked=0, Total=992 [2022-03-03 18:23:40,984 INFO L87 Difference]: Start difference. First operand 2806 states and 5170 transitions. Second operand has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:43,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:43,426 INFO L93 Difference]: Finished difference Result 3479 states and 6447 transitions. [2022-03-03 18:23:43,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-03 18:23:43,426 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:43,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:43,430 INFO L225 Difference]: With dead ends: 3479 [2022-03-03 18:23:43,430 INFO L226 Difference]: Without dead ends: 3443 [2022-03-03 18:23:43,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1589 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=714, Invalid=5292, Unknown=0, NotChecked=0, Total=6006 [2022-03-03 18:23:43,431 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 1546 mSDsluCounter, 4708 mSDsCounter, 0 mSdLazyCounter, 3714 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 4995 SdHoareTripleChecker+Invalid, 3853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 3714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:43,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1546 Valid, 4995 Invalid, 3853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 3714 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-03 18:23:43,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3443 states. [2022-03-03 18:23:43,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3443 to 2823. [2022-03-03 18:23:43,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2814 states have (on average 1.8493248045486852) internal successors, (5204), 2822 states have internal predecessors, (5204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:43,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 5204 transitions. [2022-03-03 18:23:43,460 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 5204 transitions. Word has length 234 [2022-03-03 18:23:43,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:43,460 INFO L470 AbstractCegarLoop]: Abstraction has 2823 states and 5204 transitions. [2022-03-03 18:23:43,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:43,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 5204 transitions. [2022-03-03 18:23:43,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:43,463 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:43,463 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:43,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-03 18:23:43,463 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:43,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:43,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1509353197, now seen corresponding path program 2 times [2022-03-03 18:23:43,463 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:43,463 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978518352] [2022-03-03 18:23:43,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:43,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:44,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:44,150 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:44,150 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978518352] [2022-03-03 18:23:44,150 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978518352] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:44,150 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:44,150 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:23:44,150 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142079248] [2022-03-03 18:23:44,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:44,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:23:44,150 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:44,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:23:44,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:23:44,151 INFO L87 Difference]: Start difference. First operand 2823 states and 5204 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:46,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:46,828 INFO L93 Difference]: Finished difference Result 3397 states and 6235 transitions. [2022-03-03 18:23:46,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-03 18:23:46,829 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:46,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:46,832 INFO L225 Difference]: With dead ends: 3397 [2022-03-03 18:23:46,833 INFO L226 Difference]: Without dead ends: 3397 [2022-03-03 18:23:46,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=576, Invalid=3980, Unknown=0, NotChecked=0, Total=4556 [2022-03-03 18:23:46,833 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 1449 mSDsluCounter, 4169 mSDsCounter, 0 mSdLazyCounter, 4720 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 4409 SdHoareTripleChecker+Invalid, 5055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 4720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:46,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1449 Valid, 4409 Invalid, 5055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 4720 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-03 18:23:46,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2022-03-03 18:23:46,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 2788. [2022-03-03 18:23:46,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2788 states, 2779 states have (on average 1.849586182079885) internal successors, (5140), 2787 states have internal predecessors, (5140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:46,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 5140 transitions. [2022-03-03 18:23:46,858 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 5140 transitions. Word has length 234 [2022-03-03 18:23:46,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:46,858 INFO L470 AbstractCegarLoop]: Abstraction has 2788 states and 5140 transitions. [2022-03-03 18:23:46,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:46,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 5140 transitions. [2022-03-03 18:23:46,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:46,860 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:46,861 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:46,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-03 18:23:46,861 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:46,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:46,861 INFO L85 PathProgramCache]: Analyzing trace with hash -378345243, now seen corresponding path program 16 times [2022-03-03 18:23:46,861 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:46,861 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805718804] [2022-03-03 18:23:46,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:46,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:47,663 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:47,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805718804] [2022-03-03 18:23:47,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805718804] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:47,663 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:47,664 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:23:47,664 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185145006] [2022-03-03 18:23:47,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:47,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:23:47,664 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:47,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:23:47,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:23:47,664 INFO L87 Difference]: Start difference. First operand 2788 states and 5140 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:49,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:49,551 INFO L93 Difference]: Finished difference Result 2877 states and 5301 transitions. [2022-03-03 18:23:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-03 18:23:49,551 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:49,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:49,554 INFO L225 Difference]: With dead ends: 2877 [2022-03-03 18:23:49,554 INFO L226 Difference]: Without dead ends: 2868 [2022-03-03 18:23:49,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 859 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=418, Invalid=3364, Unknown=0, NotChecked=0, Total=3782 [2022-03-03 18:23:49,555 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 1170 mSDsluCounter, 3632 mSDsCounter, 0 mSdLazyCounter, 3423 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 3856 SdHoareTripleChecker+Invalid, 3543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 3423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:49,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1170 Valid, 3856 Invalid, 3543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 3423 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-03 18:23:49,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2868 states. [2022-03-03 18:23:49,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2868 to 2800. [2022-03-03 18:23:49,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2800 states, 2791 states have (on average 1.850232891436761) internal successors, (5164), 2799 states have internal predecessors, (5164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:49,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2800 states and 5164 transitions. [2022-03-03 18:23:49,579 INFO L78 Accepts]: Start accepts. Automaton has 2800 states and 5164 transitions. Word has length 234 [2022-03-03 18:23:49,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:49,579 INFO L470 AbstractCegarLoop]: Abstraction has 2800 states and 5164 transitions. [2022-03-03 18:23:49,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:49,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2800 states and 5164 transitions. [2022-03-03 18:23:49,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:49,582 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:49,582 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:49,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-03 18:23:49,582 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:49,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:49,583 INFO L85 PathProgramCache]: Analyzing trace with hash -120268879, now seen corresponding path program 17 times [2022-03-03 18:23:49,583 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:49,583 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166020356] [2022-03-03 18:23:49,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:49,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:50,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:50,466 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:50,466 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166020356] [2022-03-03 18:23:50,466 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166020356] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:50,466 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:50,466 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:23:50,466 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606794015] [2022-03-03 18:23:50,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:50,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:23:50,466 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:50,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:23:50,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:23:50,467 INFO L87 Difference]: Start difference. First operand 2800 states and 5164 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:52,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:52,903 INFO L93 Difference]: Finished difference Result 3265 states and 6050 transitions. [2022-03-03 18:23:52,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-03 18:23:52,904 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:52,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:52,907 INFO L225 Difference]: With dead ends: 3265 [2022-03-03 18:23:52,907 INFO L226 Difference]: Without dead ends: 3247 [2022-03-03 18:23:52,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1307 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=588, Invalid=4668, Unknown=0, NotChecked=0, Total=5256 [2022-03-03 18:23:52,908 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1343 mSDsluCounter, 4304 mSDsCounter, 0 mSdLazyCounter, 3686 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1343 SdHoareTripleChecker+Valid, 4589 SdHoareTripleChecker+Invalid, 3848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 3686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:52,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1343 Valid, 4589 Invalid, 3848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 3686 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-03 18:23:52,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states. [2022-03-03 18:23:52,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3247 to 2794. [2022-03-03 18:23:52,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2794 states, 2785 states have (on average 1.8499102333931778) internal successors, (5152), 2793 states have internal predecessors, (5152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 5152 transitions. [2022-03-03 18:23:52,930 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 5152 transitions. Word has length 234 [2022-03-03 18:23:52,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:52,930 INFO L470 AbstractCegarLoop]: Abstraction has 2794 states and 5152 transitions. [2022-03-03 18:23:52,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:52,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 5152 transitions. [2022-03-03 18:23:52,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:52,933 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:52,933 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:52,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-03 18:23:52,933 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:52,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:52,933 INFO L85 PathProgramCache]: Analyzing trace with hash -328322809, now seen corresponding path program 18 times [2022-03-03 18:23:52,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:52,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198729120] [2022-03-03 18:23:52,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:52,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:53,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:53,756 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:53,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198729120] [2022-03-03 18:23:53,756 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198729120] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:53,756 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:53,756 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-03 18:23:53,756 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513200544] [2022-03-03 18:23:53,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:53,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-03 18:23:53,757 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:53,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-03 18:23:53,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=788, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:23:53,757 INFO L87 Difference]: Start difference. First operand 2794 states and 5152 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:56,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:56,336 INFO L93 Difference]: Finished difference Result 3290 states and 6098 transitions. [2022-03-03 18:23:56,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-03 18:23:56,336 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:56,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:56,340 INFO L225 Difference]: With dead ends: 3290 [2022-03-03 18:23:56,340 INFO L226 Difference]: Without dead ends: 3263 [2022-03-03 18:23:56,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1354 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=589, Invalid=4667, Unknown=0, NotChecked=0, Total=5256 [2022-03-03 18:23:56,340 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1177 mSDsluCounter, 4944 mSDsCounter, 0 mSdLazyCounter, 4303 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 5237 SdHoareTripleChecker+Invalid, 4436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 4303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:56,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1177 Valid, 5237 Invalid, 4436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 4303 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-03 18:23:56,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3263 states. [2022-03-03 18:23:56,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3263 to 2788. [2022-03-03 18:23:56,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2788 states, 2779 states have (on average 1.849586182079885) internal successors, (5140), 2787 states have internal predecessors, (5140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:56,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 5140 transitions. [2022-03-03 18:23:56,364 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 5140 transitions. Word has length 234 [2022-03-03 18:23:56,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:56,364 INFO L470 AbstractCegarLoop]: Abstraction has 2788 states and 5140 transitions. [2022-03-03 18:23:56,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:56,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 5140 transitions. [2022-03-03 18:23:56,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:56,366 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:56,367 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:56,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-03 18:23:56,367 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:56,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:56,367 INFO L85 PathProgramCache]: Analyzing trace with hash 836088751, now seen corresponding path program 19 times [2022-03-03 18:23:56,367 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:56,367 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931793482] [2022-03-03 18:23:56,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:56,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:57,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:23:57,179 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:57,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931793482] [2022-03-03 18:23:57,179 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931793482] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:57,179 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:57,179 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-03 18:23:57,179 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239876732] [2022-03-03 18:23:57,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:57,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-03 18:23:57,179 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:57,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-03 18:23:57,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:23:57,180 INFO L87 Difference]: Start difference. First operand 2788 states and 5140 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:59,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:59,266 INFO L93 Difference]: Finished difference Result 3350 states and 6203 transitions. [2022-03-03 18:23:59,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-03 18:23:59,266 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:23:59,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:59,269 INFO L225 Difference]: With dead ends: 3350 [2022-03-03 18:23:59,269 INFO L226 Difference]: Without dead ends: 3314 [2022-03-03 18:23:59,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1311 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=591, Invalid=4521, Unknown=0, NotChecked=0, Total=5112 [2022-03-03 18:23:59,270 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1294 mSDsluCounter, 3804 mSDsCounter, 0 mSdLazyCounter, 3171 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1294 SdHoareTripleChecker+Valid, 4098 SdHoareTripleChecker+Invalid, 3329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 3171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:59,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1294 Valid, 4098 Invalid, 3329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 3171 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-03 18:23:59,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3314 states. [2022-03-03 18:23:59,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3314 to 2774. [2022-03-03 18:23:59,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2765 states have (on average 1.8488245931283906) internal successors, (5112), 2773 states have internal predecessors, (5112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:59,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 5112 transitions. [2022-03-03 18:23:59,292 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 5112 transitions. Word has length 234 [2022-03-03 18:23:59,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:59,292 INFO L470 AbstractCegarLoop]: Abstraction has 2774 states and 5112 transitions. [2022-03-03 18:23:59,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:23:59,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 5112 transitions. [2022-03-03 18:23:59,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:23:59,295 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:59,295 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:59,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-03 18:23:59,295 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:23:59,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:59,295 INFO L85 PathProgramCache]: Analyzing trace with hash 2125829775, now seen corresponding path program 20 times [2022-03-03 18:23:59,295 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:59,295 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585241856] [2022-03-03 18:23:59,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:59,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:00,095 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:00,096 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585241856] [2022-03-03 18:24:00,096 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585241856] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:00,096 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:00,096 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:24:00,096 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223798641] [2022-03-03 18:24:00,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:00,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:24:00,096 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:00,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:24:00,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:24:00,097 INFO L87 Difference]: Start difference. First operand 2774 states and 5112 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:02,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:02,191 INFO L93 Difference]: Finished difference Result 3213 states and 5948 transitions. [2022-03-03 18:24:02,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-03 18:24:02,192 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:02,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:02,195 INFO L225 Difference]: With dead ends: 3213 [2022-03-03 18:24:02,195 INFO L226 Difference]: Without dead ends: 3204 [2022-03-03 18:24:02,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1115 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=580, Invalid=4250, Unknown=0, NotChecked=0, Total=4830 [2022-03-03 18:24:02,196 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1582 mSDsluCounter, 3549 mSDsCounter, 0 mSdLazyCounter, 3007 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1582 SdHoareTripleChecker+Valid, 3834 SdHoareTripleChecker+Invalid, 3168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 3007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:02,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1582 Valid, 3834 Invalid, 3168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 3007 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-03 18:24:02,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3204 states. [2022-03-03 18:24:02,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3204 to 2780. [2022-03-03 18:24:02,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2780 states, 2771 states have (on average 1.8491519307109348) internal successors, (5124), 2779 states have internal predecessors, (5124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:02,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2780 states to 2780 states and 5124 transitions. [2022-03-03 18:24:02,220 INFO L78 Accepts]: Start accepts. Automaton has 2780 states and 5124 transitions. Word has length 234 [2022-03-03 18:24:02,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:02,220 INFO L470 AbstractCegarLoop]: Abstraction has 2780 states and 5124 transitions. [2022-03-03 18:24:02,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:02,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 5124 transitions. [2022-03-03 18:24:02,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:02,222 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:02,223 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:02,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-03 18:24:02,223 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:02,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:02,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1911061157, now seen corresponding path program 21 times [2022-03-03 18:24:02,223 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:02,223 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809707605] [2022-03-03 18:24:02,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:02,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:02,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:02,964 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:02,964 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809707605] [2022-03-03 18:24:02,964 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809707605] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:02,964 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:02,964 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:24:02,965 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963182770] [2022-03-03 18:24:02,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:02,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:24:02,965 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:02,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:24:02,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=735, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:24:02,965 INFO L87 Difference]: Start difference. First operand 2780 states and 5124 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:04,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:04,896 INFO L93 Difference]: Finished difference Result 2887 states and 5319 transitions. [2022-03-03 18:24:04,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-03 18:24:04,896 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:04,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:04,899 INFO L225 Difference]: With dead ends: 2887 [2022-03-03 18:24:04,899 INFO L226 Difference]: Without dead ends: 2869 [2022-03-03 18:24:04,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=422, Invalid=3118, Unknown=0, NotChecked=0, Total=3540 [2022-03-03 18:24:04,900 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 1002 mSDsluCounter, 3876 mSDsCounter, 0 mSdLazyCounter, 3193 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 4133 SdHoareTripleChecker+Invalid, 3309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 3193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:04,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1002 Valid, 4133 Invalid, 3309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 3193 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-03 18:24:04,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2869 states. [2022-03-03 18:24:04,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2869 to 2774. [2022-03-03 18:24:04,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2765 states have (on average 1.8488245931283906) internal successors, (5112), 2773 states have internal predecessors, (5112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:04,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 5112 transitions. [2022-03-03 18:24:04,924 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 5112 transitions. Word has length 234 [2022-03-03 18:24:04,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:04,925 INFO L470 AbstractCegarLoop]: Abstraction has 2774 states and 5112 transitions. [2022-03-03 18:24:04,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:04,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 5112 transitions. [2022-03-03 18:24:04,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:04,927 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:04,927 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:04,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-03-03 18:24:04,927 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:04,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:04,927 INFO L85 PathProgramCache]: Analyzing trace with hash -2119115087, now seen corresponding path program 22 times [2022-03-03 18:24:04,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:04,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244159566] [2022-03-03 18:24:04,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:04,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:05,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:05,687 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:05,687 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244159566] [2022-03-03 18:24:05,687 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244159566] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:05,687 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:05,687 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:24:05,687 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928463767] [2022-03-03 18:24:05,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:05,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:24:05,687 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:05,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:24:05,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=735, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:24:05,688 INFO L87 Difference]: Start difference. First operand 2774 states and 5112 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:07,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:07,890 INFO L93 Difference]: Finished difference Result 2939 states and 5409 transitions. [2022-03-03 18:24:07,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-03 18:24:07,890 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:07,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:07,894 INFO L225 Difference]: With dead ends: 2939 [2022-03-03 18:24:07,894 INFO L226 Difference]: Without dead ends: 2912 [2022-03-03 18:24:07,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 802 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=456, Invalid=3204, Unknown=0, NotChecked=0, Total=3660 [2022-03-03 18:24:07,895 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 968 mSDsluCounter, 4340 mSDsCounter, 0 mSdLazyCounter, 3706 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 968 SdHoareTripleChecker+Valid, 4605 SdHoareTripleChecker+Invalid, 3831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 3706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:07,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [968 Valid, 4605 Invalid, 3831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 3706 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-03 18:24:07,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2912 states. [2022-03-03 18:24:07,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2912 to 2760. [2022-03-03 18:24:07,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2760 states, 2751 states have (on average 1.8480552526354053) internal successors, (5084), 2759 states have internal predecessors, (5084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:07,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2760 states and 5084 transitions. [2022-03-03 18:24:07,919 INFO L78 Accepts]: Start accepts. Automaton has 2760 states and 5084 transitions. Word has length 234 [2022-03-03 18:24:07,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:07,920 INFO L470 AbstractCegarLoop]: Abstraction has 2760 states and 5084 transitions. [2022-03-03 18:24:07,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:07,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 5084 transitions. [2022-03-03 18:24:07,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:07,922 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:07,922 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:07,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-03 18:24:07,922 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:07,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:07,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1437292111, now seen corresponding path program 23 times [2022-03-03 18:24:07,923 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:07,923 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114134589] [2022-03-03 18:24:07,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:07,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:08,773 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:08,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114134589] [2022-03-03 18:24:08,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114134589] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:08,773 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:08,773 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-03 18:24:08,773 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984844597] [2022-03-03 18:24:08,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:08,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-03 18:24:08,773 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:08,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-03 18:24:08,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=956, Unknown=0, NotChecked=0, Total=1056 [2022-03-03 18:24:08,774 INFO L87 Difference]: Start difference. First operand 2760 states and 5084 transitions. Second operand has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:10,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:10,883 INFO L93 Difference]: Finished difference Result 2823 states and 5193 transitions. [2022-03-03 18:24:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-03 18:24:10,883 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:10,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:10,886 INFO L225 Difference]: With dead ends: 2823 [2022-03-03 18:24:10,886 INFO L226 Difference]: Without dead ends: 2814 [2022-03-03 18:24:10,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=494, Invalid=3928, Unknown=0, NotChecked=0, Total=4422 [2022-03-03 18:24:10,887 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 1385 mSDsluCounter, 3687 mSDsCounter, 0 mSdLazyCounter, 3410 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1385 SdHoareTripleChecker+Valid, 3927 SdHoareTripleChecker+Invalid, 3527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 3410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:10,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1385 Valid, 3927 Invalid, 3527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 3410 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-03 18:24:10,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2022-03-03 18:24:10,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2760. [2022-03-03 18:24:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2760 states, 2751 states have (on average 1.8480552526354053) internal successors, (5084), 2759 states have internal predecessors, (5084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:10,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2760 states and 5084 transitions. [2022-03-03 18:24:10,923 INFO L78 Accepts]: Start accepts. Automaton has 2760 states and 5084 transitions. Word has length 234 [2022-03-03 18:24:10,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:10,923 INFO L470 AbstractCegarLoop]: Abstraction has 2760 states and 5084 transitions. [2022-03-03 18:24:10,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:10,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 5084 transitions. [2022-03-03 18:24:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:10,925 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:10,925 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:10,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-03-03 18:24:10,925 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:10,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:10,926 INFO L85 PathProgramCache]: Analyzing trace with hash 2088290299, now seen corresponding path program 24 times [2022-03-03 18:24:10,926 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:10,926 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998269768] [2022-03-03 18:24:10,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:10,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:11,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:11,702 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:11,703 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998269768] [2022-03-03 18:24:11,703 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998269768] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:11,703 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:11,703 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:24:11,703 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384267847] [2022-03-03 18:24:11,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:11,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:24:11,703 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:11,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:24:11,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=841, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:24:11,704 INFO L87 Difference]: Start difference. First operand 2760 states and 5084 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:13,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:13,393 INFO L93 Difference]: Finished difference Result 2839 states and 5224 transitions. [2022-03-03 18:24:13,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-03 18:24:13,394 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:13,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:13,396 INFO L225 Difference]: With dead ends: 2839 [2022-03-03 18:24:13,396 INFO L226 Difference]: Without dead ends: 2830 [2022-03-03 18:24:13,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=432, Invalid=3350, Unknown=0, NotChecked=0, Total=3782 [2022-03-03 18:24:13,397 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 1236 mSDsluCounter, 2993 mSDsCounter, 0 mSdLazyCounter, 2706 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 3242 SdHoareTripleChecker+Invalid, 2836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:13,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1236 Valid, 3242 Invalid, 2836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 2706 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-03 18:24:13,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2022-03-03 18:24:13,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2760. [2022-03-03 18:24:13,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2760 states, 2751 states have (on average 1.8480552526354053) internal successors, (5084), 2759 states have internal predecessors, (5084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:13,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2760 states and 5084 transitions. [2022-03-03 18:24:13,420 INFO L78 Accepts]: Start accepts. Automaton has 2760 states and 5084 transitions. Word has length 234 [2022-03-03 18:24:13,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:13,421 INFO L470 AbstractCegarLoop]: Abstraction has 2760 states and 5084 transitions. [2022-03-03 18:24:13,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 5084 transitions. [2022-03-03 18:24:13,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:13,423 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:13,423 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:13,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-03-03 18:24:13,423 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:13,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:13,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1913858801, now seen corresponding path program 25 times [2022-03-03 18:24:13,423 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:13,423 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664445976] [2022-03-03 18:24:13,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:13,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:14,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:14,242 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:14,242 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664445976] [2022-03-03 18:24:14,242 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664445976] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:14,242 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:14,242 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-03 18:24:14,242 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400994093] [2022-03-03 18:24:14,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:14,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-03 18:24:14,242 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:14,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-03 18:24:14,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2022-03-03 18:24:14,243 INFO L87 Difference]: Start difference. First operand 2760 states and 5084 transitions. Second operand has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:17,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:17,036 INFO L93 Difference]: Finished difference Result 3200 states and 5917 transitions. [2022-03-03 18:24:17,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-03 18:24:17,036 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:17,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:17,040 INFO L225 Difference]: With dead ends: 3200 [2022-03-03 18:24:17,040 INFO L226 Difference]: Without dead ends: 3182 [2022-03-03 18:24:17,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1112 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=603, Invalid=4509, Unknown=0, NotChecked=0, Total=5112 [2022-03-03 18:24:17,042 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 1346 mSDsluCounter, 5258 mSDsCounter, 0 mSdLazyCounter, 4572 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1346 SdHoareTripleChecker+Valid, 5565 SdHoareTripleChecker+Invalid, 4693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 4572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:17,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1346 Valid, 5565 Invalid, 4693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 4572 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-03 18:24:17,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3182 states. [2022-03-03 18:24:17,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3182 to 2743. [2022-03-03 18:24:17,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2743 states, 2734 states have (on average 1.846013167520117) internal successors, (5047), 2742 states have internal predecessors, (5047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:17,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2743 states and 5047 transitions. [2022-03-03 18:24:17,065 INFO L78 Accepts]: Start accepts. Automaton has 2743 states and 5047 transitions. Word has length 234 [2022-03-03 18:24:17,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:17,065 INFO L470 AbstractCegarLoop]: Abstraction has 2743 states and 5047 transitions. [2022-03-03 18:24:17,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:17,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2743 states and 5047 transitions. [2022-03-03 18:24:17,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:17,067 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:17,067 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:17,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-03-03 18:24:17,067 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:17,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:17,068 INFO L85 PathProgramCache]: Analyzing trace with hash 2105062579, now seen corresponding path program 3 times [2022-03-03 18:24:17,068 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:17,068 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010107231] [2022-03-03 18:24:17,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:17,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:18,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:18,010 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:18,010 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010107231] [2022-03-03 18:24:18,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010107231] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:18,010 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:18,010 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:24:18,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732509914] [2022-03-03 18:24:18,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:18,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:24:18,011 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:18,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:24:18,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=729, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:24:18,011 INFO L87 Difference]: Start difference. First operand 2743 states and 5047 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:20,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:20,912 INFO L93 Difference]: Finished difference Result 3245 states and 5948 transitions. [2022-03-03 18:24:20,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-03 18:24:20,912 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:20,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:20,916 INFO L225 Difference]: With dead ends: 3245 [2022-03-03 18:24:20,916 INFO L226 Difference]: Without dead ends: 3245 [2022-03-03 18:24:20,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1027 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=513, Invalid=3777, Unknown=0, NotChecked=0, Total=4290 [2022-03-03 18:24:20,916 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 1282 mSDsluCounter, 3854 mSDsCounter, 0 mSdLazyCounter, 4682 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1282 SdHoareTripleChecker+Valid, 4102 SdHoareTripleChecker+Invalid, 4949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 4682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:20,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1282 Valid, 4102 Invalid, 4949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 4682 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-03 18:24:20,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3245 states. [2022-03-03 18:24:20,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3245 to 2799. [2022-03-03 18:24:20,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 2790 states have (on average 1.8501792114695341) internal successors, (5162), 2798 states have internal predecessors, (5162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:20,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 5162 transitions. [2022-03-03 18:24:20,940 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 5162 transitions. Word has length 234 [2022-03-03 18:24:20,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:20,940 INFO L470 AbstractCegarLoop]: Abstraction has 2799 states and 5162 transitions. [2022-03-03 18:24:20,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:20,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 5162 transitions. [2022-03-03 18:24:20,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:20,942 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:20,942 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:20,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-03-03 18:24:20,943 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:20,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:20,943 INFO L85 PathProgramCache]: Analyzing trace with hash -339654455, now seen corresponding path program 26 times [2022-03-03 18:24:20,943 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:20,943 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682724909] [2022-03-03 18:24:20,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:20,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:21,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:21,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682724909] [2022-03-03 18:24:21,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682724909] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:21,543 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:21,543 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:24:21,543 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783292652] [2022-03-03 18:24:21,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:21,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:24:21,543 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:21,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:24:21,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:24:21,544 INFO L87 Difference]: Start difference. First operand 2799 states and 5162 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:23,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:23,690 INFO L93 Difference]: Finished difference Result 2930 states and 5389 transitions. [2022-03-03 18:24:23,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-03 18:24:23,690 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:23,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:23,693 INFO L225 Difference]: With dead ends: 2930 [2022-03-03 18:24:23,693 INFO L226 Difference]: Without dead ends: 2894 [2022-03-03 18:24:23,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=490, Invalid=3670, Unknown=0, NotChecked=0, Total=4160 [2022-03-03 18:24:23,694 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 1268 mSDsluCounter, 4272 mSDsCounter, 0 mSdLazyCounter, 3944 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 4537 SdHoareTripleChecker+Invalid, 4053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 3944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:23,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1268 Valid, 4537 Invalid, 4053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 3944 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-03 18:24:23,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2894 states. [2022-03-03 18:24:23,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2894 to 2662. [2022-03-03 18:24:23,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2662 states, 2654 states have (on average 1.8417483044461191) internal successors, (4888), 2661 states have internal predecessors, (4888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:23,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2662 states and 4888 transitions. [2022-03-03 18:24:23,717 INFO L78 Accepts]: Start accepts. Automaton has 2662 states and 4888 transitions. Word has length 234 [2022-03-03 18:24:23,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:23,717 INFO L470 AbstractCegarLoop]: Abstraction has 2662 states and 4888 transitions. [2022-03-03 18:24:23,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:23,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 4888 transitions. [2022-03-03 18:24:23,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:23,719 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:23,719 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:23,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-03 18:24:23,719 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:23,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:23,719 INFO L85 PathProgramCache]: Analyzing trace with hash 777206931, now seen corresponding path program 27 times [2022-03-03 18:24:23,720 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:23,720 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750762711] [2022-03-03 18:24:23,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:23,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:24,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:24,403 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:24,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750762711] [2022-03-03 18:24:24,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750762711] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:24,403 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:24,403 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:24:24,403 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100691875] [2022-03-03 18:24:24,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:24,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:24:24,404 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:24,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:24:24,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:24:24,404 INFO L87 Difference]: Start difference. First operand 2662 states and 4888 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:26,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:26,317 INFO L93 Difference]: Finished difference Result 2882 states and 5302 transitions. [2022-03-03 18:24:26,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-03 18:24:26,317 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:26,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:26,320 INFO L225 Difference]: With dead ends: 2882 [2022-03-03 18:24:26,320 INFO L226 Difference]: Without dead ends: 2846 [2022-03-03 18:24:26,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=435, Invalid=3347, Unknown=0, NotChecked=0, Total=3782 [2022-03-03 18:24:26,321 INFO L933 BasicCegarLoop]: 275 mSDtfsCounter, 1005 mSDsluCounter, 4118 mSDsCounter, 0 mSdLazyCounter, 3568 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 3685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 3568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:26,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1005 Valid, 4385 Invalid, 3685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 3568 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-03 18:24:26,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2846 states. [2022-03-03 18:24:26,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2846 to 2664. [2022-03-03 18:24:26,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2664 states, 2656 states have (on average 1.841867469879518) internal successors, (4892), 2663 states have internal predecessors, (4892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:26,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 4892 transitions. [2022-03-03 18:24:26,343 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 4892 transitions. Word has length 234 [2022-03-03 18:24:26,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:26,343 INFO L470 AbstractCegarLoop]: Abstraction has 2664 states and 4892 transitions. [2022-03-03 18:24:26,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:26,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 4892 transitions. [2022-03-03 18:24:26,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:26,345 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:26,345 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:26,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-03-03 18:24:26,345 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:26,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:26,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1202730121, now seen corresponding path program 28 times [2022-03-03 18:24:26,345 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:26,345 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301033511] [2022-03-03 18:24:26,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:26,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:26,962 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:26,962 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301033511] [2022-03-03 18:24:26,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301033511] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:26,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:26,963 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:24:26,963 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979559936] [2022-03-03 18:24:26,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:26,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:24:26,963 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:26,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:24:26,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=734, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:24:26,963 INFO L87 Difference]: Start difference. First operand 2664 states and 4892 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:28,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:28,885 INFO L93 Difference]: Finished difference Result 2848 states and 5236 transitions. [2022-03-03 18:24:28,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-03 18:24:28,886 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:28,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:28,888 INFO L225 Difference]: With dead ends: 2848 [2022-03-03 18:24:28,888 INFO L226 Difference]: Without dead ends: 2821 [2022-03-03 18:24:28,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 788 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=422, Invalid=3238, Unknown=0, NotChecked=0, Total=3660 [2022-03-03 18:24:28,889 INFO L933 BasicCegarLoop]: 275 mSDtfsCounter, 1054 mSDsluCounter, 3905 mSDsCounter, 0 mSdLazyCounter, 3520 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1054 SdHoareTripleChecker+Valid, 4171 SdHoareTripleChecker+Invalid, 3623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 3520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:28,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1054 Valid, 4171 Invalid, 3623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 3520 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-03 18:24:28,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2821 states. [2022-03-03 18:24:28,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2821 to 2666. [2022-03-03 18:24:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2666 states, 2658 states have (on average 1.8419864559819412) internal successors, (4896), 2665 states have internal predecessors, (4896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:28,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 4896 transitions. [2022-03-03 18:24:28,911 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 4896 transitions. Word has length 234 [2022-03-03 18:24:28,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:28,911 INFO L470 AbstractCegarLoop]: Abstraction has 2666 states and 4896 transitions. [2022-03-03 18:24:28,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:28,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 4896 transitions. [2022-03-03 18:24:28,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:28,913 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:28,913 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:28,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-03-03 18:24:28,914 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:28,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:28,914 INFO L85 PathProgramCache]: Analyzing trace with hash 976030409, now seen corresponding path program 29 times [2022-03-03 18:24:28,914 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:28,914 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69423818] [2022-03-03 18:24:28,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:28,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:29,561 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:29,561 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69423818] [2022-03-03 18:24:29,561 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69423818] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:29,561 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:29,561 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:24:29,561 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267736831] [2022-03-03 18:24:29,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:29,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:24:29,561 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:29,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:24:29,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=729, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:24:29,562 INFO L87 Difference]: Start difference. First operand 2666 states and 4896 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:31,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:31,561 INFO L93 Difference]: Finished difference Result 2766 states and 5083 transitions. [2022-03-03 18:24:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-03 18:24:31,561 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:31,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:31,564 INFO L225 Difference]: With dead ends: 2766 [2022-03-03 18:24:31,564 INFO L226 Difference]: Without dead ends: 2757 [2022-03-03 18:24:31,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=397, Invalid=2909, Unknown=0, NotChecked=0, Total=3306 [2022-03-03 18:24:31,565 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 1066 mSDsluCounter, 4462 mSDsCounter, 0 mSdLazyCounter, 3923 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 4714 SdHoareTripleChecker+Invalid, 4001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 3923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:31,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1066 Valid, 4714 Invalid, 4001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 3923 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-03 18:24:31,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2022-03-03 18:24:31,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 2668. [2022-03-03 18:24:31,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2668 states, 2660 states have (on average 1.8421052631578947) internal successors, (4900), 2667 states have internal predecessors, (4900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:31,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2668 states and 4900 transitions. [2022-03-03 18:24:31,587 INFO L78 Accepts]: Start accepts. Automaton has 2668 states and 4900 transitions. Word has length 234 [2022-03-03 18:24:31,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:31,588 INFO L470 AbstractCegarLoop]: Abstraction has 2668 states and 4900 transitions. [2022-03-03 18:24:31,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:31,588 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 4900 transitions. [2022-03-03 18:24:31,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:31,590 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:31,590 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:31,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-03-03 18:24:31,590 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:31,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:31,591 INFO L85 PathProgramCache]: Analyzing trace with hash 994464435, now seen corresponding path program 30 times [2022-03-03 18:24:31,591 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:31,591 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644115605] [2022-03-03 18:24:31,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:31,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:32,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:32,216 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:32,216 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644115605] [2022-03-03 18:24:32,216 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644115605] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:32,216 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:32,216 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:24:32,216 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485827419] [2022-03-03 18:24:32,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:32,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:24:32,216 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:32,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:24:32,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:24:32,217 INFO L87 Difference]: Start difference. First operand 2668 states and 4900 transitions. Second operand has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:34,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:34,117 INFO L93 Difference]: Finished difference Result 2792 states and 5133 transitions. [2022-03-03 18:24:34,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-03 18:24:34,117 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:34,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:34,120 INFO L225 Difference]: With dead ends: 2792 [2022-03-03 18:24:34,120 INFO L226 Difference]: Without dead ends: 2774 [2022-03-03 18:24:34,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=414, Invalid=3126, Unknown=0, NotChecked=0, Total=3540 [2022-03-03 18:24:34,121 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 1153 mSDsluCounter, 3964 mSDsCounter, 0 mSdLazyCounter, 3464 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 4227 SdHoareTripleChecker+Invalid, 3558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:34,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1153 Valid, 4227 Invalid, 3558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3464 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-03 18:24:34,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2022-03-03 18:24:34,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 2632. [2022-03-03 18:24:34,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2632 states, 2624 states have (on average 1.8399390243902438) internal successors, (4828), 2631 states have internal predecessors, (4828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:34,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2632 states and 4828 transitions. [2022-03-03 18:24:34,141 INFO L78 Accepts]: Start accepts. Automaton has 2632 states and 4828 transitions. Word has length 234 [2022-03-03 18:24:34,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:34,142 INFO L470 AbstractCegarLoop]: Abstraction has 2632 states and 4828 transitions. [2022-03-03 18:24:34,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.357142857142858) internal successors, (234), 29 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:34,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 4828 transitions. [2022-03-03 18:24:34,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:34,144 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:34,144 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:34,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-03-03 18:24:34,144 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:34,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:34,144 INFO L85 PathProgramCache]: Analyzing trace with hash -168903683, now seen corresponding path program 31 times [2022-03-03 18:24:34,144 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:34,144 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069105813] [2022-03-03 18:24:34,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:34,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:35,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:35,070 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:35,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069105813] [2022-03-03 18:24:35,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069105813] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:35,070 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:35,070 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-03 18:24:35,070 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126227875] [2022-03-03 18:24:35,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:35,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-03 18:24:35,070 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:35,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-03 18:24:35,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2022-03-03 18:24:35,071 INFO L87 Difference]: Start difference. First operand 2632 states and 4828 transitions. Second operand has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:37,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:37,734 INFO L93 Difference]: Finished difference Result 3153 states and 5831 transitions. [2022-03-03 18:24:37,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-03 18:24:37,734 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:37,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:37,737 INFO L225 Difference]: With dead ends: 3153 [2022-03-03 18:24:37,737 INFO L226 Difference]: Without dead ends: 3144 [2022-03-03 18:24:37,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1158 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=531, Invalid=4161, Unknown=0, NotChecked=0, Total=4692 [2022-03-03 18:24:37,738 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 1206 mSDsluCounter, 5267 mSDsCounter, 0 mSdLazyCounter, 3982 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 5562 SdHoareTripleChecker+Invalid, 4090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:37,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1206 Valid, 5562 Invalid, 4090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3982 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-03 18:24:37,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3144 states. [2022-03-03 18:24:37,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3144 to 2639. [2022-03-03 18:24:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2639 states, 2631 states have (on average 1.8403648802736603) internal successors, (4842), 2638 states have internal predecessors, (4842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2639 states and 4842 transitions. [2022-03-03 18:24:37,760 INFO L78 Accepts]: Start accepts. Automaton has 2639 states and 4842 transitions. Word has length 234 [2022-03-03 18:24:37,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:37,760 INFO L470 AbstractCegarLoop]: Abstraction has 2639 states and 4842 transitions. [2022-03-03 18:24:37,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.548387096774194) internal successors, (234), 32 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:37,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2639 states and 4842 transitions. [2022-03-03 18:24:37,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:37,762 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:37,762 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:37,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-03-03 18:24:37,762 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:37,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:37,763 INFO L85 PathProgramCache]: Analyzing trace with hash 89172681, now seen corresponding path program 32 times [2022-03-03 18:24:37,763 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:37,763 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632267989] [2022-03-03 18:24:37,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:37,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:38,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:38,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:38,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632267989] [2022-03-03 18:24:38,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632267989] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:38,545 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:38,545 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:24:38,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892877194] [2022-03-03 18:24:38,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:38,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:24:38,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:38,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:24:38,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:24:38,546 INFO L87 Difference]: Start difference. First operand 2639 states and 4842 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:40,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:40,564 INFO L93 Difference]: Finished difference Result 3152 states and 5827 transitions. [2022-03-03 18:24:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-03 18:24:40,565 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:40,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:40,568 INFO L225 Difference]: With dead ends: 3152 [2022-03-03 18:24:40,568 INFO L226 Difference]: Without dead ends: 3134 [2022-03-03 18:24:40,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=542, Invalid=4288, Unknown=0, NotChecked=0, Total=4830 [2022-03-03 18:24:40,569 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 1558 mSDsluCounter, 3973 mSDsCounter, 0 mSdLazyCounter, 3039 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 4277 SdHoareTripleChecker+Invalid, 3193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 3039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:40,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1558 Valid, 4277 Invalid, 3193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 3039 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-03 18:24:40,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3134 states. [2022-03-03 18:24:40,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3134 to 2620. [2022-03-03 18:24:40,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2620 states, 2612 states have (on average 1.8392036753445635) internal successors, (4804), 2619 states have internal predecessors, (4804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:40,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2620 states and 4804 transitions. [2022-03-03 18:24:40,593 INFO L78 Accepts]: Start accepts. Automaton has 2620 states and 4804 transitions. Word has length 234 [2022-03-03 18:24:40,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:40,593 INFO L470 AbstractCegarLoop]: Abstraction has 2620 states and 4804 transitions. [2022-03-03 18:24:40,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 4804 transitions. [2022-03-03 18:24:40,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:40,595 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:40,595 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:40,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-03-03 18:24:40,595 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:40,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:40,595 INFO L85 PathProgramCache]: Analyzing trace with hash -118881249, now seen corresponding path program 33 times [2022-03-03 18:24:40,595 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:40,596 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951117920] [2022-03-03 18:24:40,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:40,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:41,570 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:41,570 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951117920] [2022-03-03 18:24:41,571 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951117920] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:41,571 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:41,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-03 18:24:41,571 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426693921] [2022-03-03 18:24:41,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:41,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-03 18:24:41,571 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:41,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-03 18:24:41,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=964, Unknown=0, NotChecked=0, Total=1056 [2022-03-03 18:24:41,572 INFO L87 Difference]: Start difference. First operand 2620 states and 4804 transitions. Second operand has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:44,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:44,598 INFO L93 Difference]: Finished difference Result 2868 states and 5280 transitions. [2022-03-03 18:24:44,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-03 18:24:44,599 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:44,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:44,601 INFO L225 Difference]: With dead ends: 2868 [2022-03-03 18:24:44,601 INFO L226 Difference]: Without dead ends: 2841 [2022-03-03 18:24:44,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1007 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=471, Invalid=3951, Unknown=0, NotChecked=0, Total=4422 [2022-03-03 18:24:44,602 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 1212 mSDsluCounter, 4959 mSDsCounter, 0 mSdLazyCounter, 4334 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 5223 SdHoareTripleChecker+Invalid, 4448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 4334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:44,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1212 Valid, 5223 Invalid, 4448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 4334 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-03 18:24:44,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2841 states. [2022-03-03 18:24:44,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2841 to 2623. [2022-03-03 18:24:44,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2623 states, 2615 states have (on average 1.8393881453154877) internal successors, (4810), 2622 states have internal predecessors, (4810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:44,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2623 states and 4810 transitions. [2022-03-03 18:24:44,622 INFO L78 Accepts]: Start accepts. Automaton has 2623 states and 4810 transitions. Word has length 234 [2022-03-03 18:24:44,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:44,623 INFO L470 AbstractCegarLoop]: Abstraction has 2623 states and 4810 transitions. [2022-03-03 18:24:44,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:44,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2623 states and 4810 transitions. [2022-03-03 18:24:44,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:44,624 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:44,625 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:44,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-03-03 18:24:44,625 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:44,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:44,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1045530311, now seen corresponding path program 34 times [2022-03-03 18:24:44,625 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:44,625 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993047004] [2022-03-03 18:24:44,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:44,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:45,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:45,389 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:45,389 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993047004] [2022-03-03 18:24:45,389 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993047004] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:45,389 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:45,389 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:24:45,389 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661158721] [2022-03-03 18:24:45,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:45,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:24:45,389 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:45,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:24:45,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:24:45,390 INFO L87 Difference]: Start difference. First operand 2623 states and 4810 transitions. Second operand has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:47,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:47,415 INFO L93 Difference]: Finished difference Result 3198 states and 5913 transitions. [2022-03-03 18:24:47,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-03 18:24:47,416 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:47,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:47,419 INFO L225 Difference]: With dead ends: 3198 [2022-03-03 18:24:47,419 INFO L226 Difference]: Without dead ends: 3162 [2022-03-03 18:24:47,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=528, Invalid=4302, Unknown=0, NotChecked=0, Total=4830 [2022-03-03 18:24:47,420 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 1317 mSDsluCounter, 4161 mSDsCounter, 0 mSdLazyCounter, 3211 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1317 SdHoareTripleChecker+Valid, 4469 SdHoareTripleChecker+Invalid, 3367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 3211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:47,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1317 Valid, 4469 Invalid, 3367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 3211 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-03 18:24:47,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3162 states. [2022-03-03 18:24:47,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3162 to 2604. [2022-03-03 18:24:47,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2604 states, 2596 states have (on average 1.838597842835131) internal successors, (4773), 2603 states have internal predecessors, (4773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:47,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2604 states and 4773 transitions. [2022-03-03 18:24:47,444 INFO L78 Accepts]: Start accepts. Automaton has 2604 states and 4773 transitions. Word has length 234 [2022-03-03 18:24:47,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:47,444 INFO L470 AbstractCegarLoop]: Abstraction has 2604 states and 4773 transitions. [2022-03-03 18:24:47,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.8) internal successors, (234), 31 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 4773 transitions. [2022-03-03 18:24:47,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:47,446 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:47,446 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:47,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-03-03 18:24:47,446 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:47,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:47,446 INFO L85 PathProgramCache]: Analyzing trace with hash -480381333, now seen corresponding path program 35 times [2022-03-03 18:24:47,446 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:47,447 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140017381] [2022-03-03 18:24:47,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:47,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:48,462 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:48,462 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140017381] [2022-03-03 18:24:48,462 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140017381] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:48,462 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:48,462 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-03 18:24:48,462 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094886726] [2022-03-03 18:24:48,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:48,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-03 18:24:48,462 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:48,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-03 18:24:48,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=963, Unknown=0, NotChecked=0, Total=1056 [2022-03-03 18:24:48,463 INFO L87 Difference]: Start difference. First operand 2604 states and 4773 transitions. Second operand has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:51,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:51,214 INFO L93 Difference]: Finished difference Result 2739 states and 5033 transitions. [2022-03-03 18:24:51,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-03 18:24:51,214 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:51,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:51,217 INFO L225 Difference]: With dead ends: 2739 [2022-03-03 18:24:51,217 INFO L226 Difference]: Without dead ends: 2712 [2022-03-03 18:24:51,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 990 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=477, Invalid=3945, Unknown=0, NotChecked=0, Total=4422 [2022-03-03 18:24:51,217 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 1177 mSDsluCounter, 4037 mSDsCounter, 0 mSdLazyCounter, 3804 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 4288 SdHoareTripleChecker+Invalid, 3946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 3804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:51,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1177 Valid, 4288 Invalid, 3946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 3804 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-03 18:24:51,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2022-03-03 18:24:51,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2464. [2022-03-03 18:24:51,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 2457 states have (on average 1.8327228327228327) internal successors, (4503), 2463 states have internal predecessors, (4503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:51,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 4503 transitions. [2022-03-03 18:24:51,237 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 4503 transitions. Word has length 234 [2022-03-03 18:24:51,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:51,237 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 4503 transitions. [2022-03-03 18:24:51,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.3125) internal successors, (234), 33 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:51,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 4503 transitions. [2022-03-03 18:24:51,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:51,238 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:51,239 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:51,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-03-03 18:24:51,239 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:51,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:51,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1295305163, now seen corresponding path program 4 times [2022-03-03 18:24:51,239 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:51,239 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394062541] [2022-03-03 18:24:51,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:51,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:51,925 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:51,925 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394062541] [2022-03-03 18:24:51,925 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394062541] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:51,925 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:51,925 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-03 18:24:51,925 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378267356] [2022-03-03 18:24:51,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:51,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-03 18:24:51,925 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:51,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-03 18:24:51,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:24:51,926 INFO L87 Difference]: Start difference. First operand 2464 states and 4503 transitions. Second operand has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:53,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:53,858 INFO L93 Difference]: Finished difference Result 2857 states and 5207 transitions. [2022-03-03 18:24:53,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-03 18:24:53,858 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:53,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:53,861 INFO L225 Difference]: With dead ends: 2857 [2022-03-03 18:24:53,861 INFO L226 Difference]: Without dead ends: 2857 [2022-03-03 18:24:53,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=409, Invalid=2561, Unknown=0, NotChecked=0, Total=2970 [2022-03-03 18:24:53,861 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 1304 mSDsluCounter, 3699 mSDsCounter, 0 mSdLazyCounter, 3286 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1304 SdHoareTripleChecker+Valid, 3967 SdHoareTripleChecker+Invalid, 3548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 3286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:53,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1304 Valid, 3967 Invalid, 3548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 3286 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-03 18:24:53,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2022-03-03 18:24:53,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 2464. [2022-03-03 18:24:53,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 2457 states have (on average 1.8327228327228327) internal successors, (4503), 2463 states have internal predecessors, (4503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:53,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 4503 transitions. [2022-03-03 18:24:53,881 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 4503 transitions. Word has length 234 [2022-03-03 18:24:53,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:53,881 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 4503 transitions. [2022-03-03 18:24:53,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:53,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 4503 transitions. [2022-03-03 18:24:53,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:53,882 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:53,883 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:53,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-03-03 18:24:53,883 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:53,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:53,883 INFO L85 PathProgramCache]: Analyzing trace with hash 2110312215, now seen corresponding path program 5 times [2022-03-03 18:24:53,883 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:53,883 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050869154] [2022-03-03 18:24:53,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:53,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:54,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:54,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:54,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050869154] [2022-03-03 18:24:54,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050869154] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:54,545 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:54,545 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-03 18:24:54,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268178639] [2022-03-03 18:24:54,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:54,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-03 18:24:54,546 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:54,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-03 18:24:54,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:24:54,546 INFO L87 Difference]: Start difference. First operand 2464 states and 4503 transitions. Second operand has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:56,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:56,733 INFO L93 Difference]: Finished difference Result 2921 states and 5291 transitions. [2022-03-03 18:24:56,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-03 18:24:56,734 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:56,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:56,737 INFO L225 Difference]: With dead ends: 2921 [2022-03-03 18:24:56,737 INFO L226 Difference]: Without dead ends: 2921 [2022-03-03 18:24:56,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=432, Invalid=2760, Unknown=0, NotChecked=0, Total=3192 [2022-03-03 18:24:56,737 INFO L933 BasicCegarLoop]: 282 mSDtfsCounter, 1012 mSDsluCounter, 4140 mSDsCounter, 0 mSdLazyCounter, 3842 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 4411 SdHoareTripleChecker+Invalid, 4054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 3842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:56,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1012 Valid, 4411 Invalid, 4054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 3842 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-03 18:24:56,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2921 states. [2022-03-03 18:24:56,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2921 to 2464. [2022-03-03 18:24:56,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 2457 states have (on average 1.8327228327228327) internal successors, (4503), 2463 states have internal predecessors, (4503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 4503 transitions. [2022-03-03 18:24:56,758 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 4503 transitions. Word has length 234 [2022-03-03 18:24:56,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:56,758 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 4503 transitions. [2022-03-03 18:24:56,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:56,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 4503 transitions. [2022-03-03 18:24:56,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:56,760 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:56,760 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:56,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-03-03 18:24:56,760 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:56,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:56,760 INFO L85 PathProgramCache]: Analyzing trace with hash 365245513, now seen corresponding path program 6 times [2022-03-03 18:24:56,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:56,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811903355] [2022-03-03 18:24:56,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:56,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:24:57,504 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:57,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811903355] [2022-03-03 18:24:57,504 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811903355] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:57,504 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:57,504 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-03 18:24:57,504 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002877316] [2022-03-03 18:24:57,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:57,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-03 18:24:57,504 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:57,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-03 18:24:57,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=784, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:24:57,505 INFO L87 Difference]: Start difference. First operand 2464 states and 4503 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:59,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:59,865 INFO L93 Difference]: Finished difference Result 3070 states and 5592 transitions. [2022-03-03 18:24:59,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-03 18:24:59,866 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:24:59,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:59,869 INFO L225 Difference]: With dead ends: 3070 [2022-03-03 18:24:59,869 INFO L226 Difference]: Without dead ends: 3070 [2022-03-03 18:24:59,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=444, Invalid=3338, Unknown=0, NotChecked=0, Total=3782 [2022-03-03 18:24:59,869 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 1244 mSDsluCounter, 4150 mSDsCounter, 0 mSdLazyCounter, 3825 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 4446 SdHoareTripleChecker+Invalid, 4103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 3825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:59,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1244 Valid, 4446 Invalid, 4103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 3825 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-03 18:24:59,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3070 states. [2022-03-03 18:24:59,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3070 to 2464. [2022-03-03 18:24:59,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 2457 states have (on average 1.8327228327228327) internal successors, (4503), 2463 states have internal predecessors, (4503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:59,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 4503 transitions. [2022-03-03 18:24:59,892 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 4503 transitions. Word has length 234 [2022-03-03 18:24:59,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:59,892 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 4503 transitions. [2022-03-03 18:24:59,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:24:59,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 4503 transitions. [2022-03-03 18:24:59,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-03-03 18:24:59,894 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:59,894 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:59,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-03-03 18:24:59,894 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:24:59,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:59,894 INFO L85 PathProgramCache]: Analyzing trace with hash -2017854201, now seen corresponding path program 7 times [2022-03-03 18:24:59,895 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:59,895 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989066456] [2022-03-03 18:24:59,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:59,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:00,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:00,595 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:00,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989066456] [2022-03-03 18:25:00,595 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989066456] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:00,595 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:00,595 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-03 18:25:00,595 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069660122] [2022-03-03 18:25:00,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:00,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-03 18:25:00,595 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:00,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-03 18:25:00,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:25:00,596 INFO L87 Difference]: Start difference. First operand 2464 states and 4503 transitions. Second operand has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:02,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:02,870 INFO L93 Difference]: Finished difference Result 2888 states and 5273 transitions. [2022-03-03 18:25:02,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-03 18:25:02,870 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-03-03 18:25:02,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:02,873 INFO L225 Difference]: With dead ends: 2888 [2022-03-03 18:25:02,874 INFO L226 Difference]: Without dead ends: 2888 [2022-03-03 18:25:02,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 727 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=423, Invalid=2883, Unknown=0, NotChecked=0, Total=3306 [2022-03-03 18:25:02,874 INFO L933 BasicCegarLoop]: 267 mSDtfsCounter, 1276 mSDsluCounter, 3998 mSDsCounter, 0 mSdLazyCounter, 4159 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 4254 SdHoareTripleChecker+Invalid, 4433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 4159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:02,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1276 Valid, 4254 Invalid, 4433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 4159 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-03 18:25:02,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2888 states. [2022-03-03 18:25:02,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2888 to 2379. [2022-03-03 18:25:02,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2379 states, 2372 states have (on average 1.8351602023608768) internal successors, (4353), 2378 states have internal predecessors, (4353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:02,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 2379 states and 4353 transitions. [2022-03-03 18:25:02,896 INFO L78 Accepts]: Start accepts. Automaton has 2379 states and 4353 transitions. Word has length 234 [2022-03-03 18:25:02,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:02,896 INFO L470 AbstractCegarLoop]: Abstraction has 2379 states and 4353 transitions. [2022-03-03 18:25:02,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.666666666666666) internal successors, (234), 28 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:02,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 4353 transitions. [2022-03-03 18:25:02,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-03 18:25:02,898 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:02,898 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:02,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-03-03 18:25:02,898 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:02,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:02,898 INFO L85 PathProgramCache]: Analyzing trace with hash 882402727, now seen corresponding path program 1 times [2022-03-03 18:25:02,899 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:02,899 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844033262] [2022-03-03 18:25:02,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:02,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:03,626 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:03,626 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844033262] [2022-03-03 18:25:03,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844033262] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:03,626 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:03,626 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-03 18:25:03,626 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228738751] [2022-03-03 18:25:03,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:03,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-03 18:25:03,626 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:03,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-03 18:25:03,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:25:03,627 INFO L87 Difference]: Start difference. First operand 2379 states and 4353 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:06,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:06,435 INFO L93 Difference]: Finished difference Result 3243 states and 5954 transitions. [2022-03-03 18:25:06,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-03 18:25:06,435 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2022-03-03 18:25:06,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:06,439 INFO L225 Difference]: With dead ends: 3243 [2022-03-03 18:25:06,439 INFO L226 Difference]: Without dead ends: 3243 [2022-03-03 18:25:06,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1257 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=596, Invalid=4374, Unknown=0, NotChecked=0, Total=4970 [2022-03-03 18:25:06,439 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 1579 mSDsluCounter, 4850 mSDsCounter, 0 mSdLazyCounter, 5033 mSolverCounterSat, 387 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 5130 SdHoareTripleChecker+Invalid, 5420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 387 IncrementalHoareTripleChecker+Valid, 5033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:06,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1579 Valid, 5130 Invalid, 5420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [387 Valid, 5033 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-03 18:25:06,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3243 states. [2022-03-03 18:25:06,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3243 to 2617. [2022-03-03 18:25:06,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2617 states, 2610 states have (on average 1.850191570881226) internal successors, (4829), 2616 states have internal predecessors, (4829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:06,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 4829 transitions. [2022-03-03 18:25:06,461 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 4829 transitions. Word has length 239 [2022-03-03 18:25:06,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:06,462 INFO L470 AbstractCegarLoop]: Abstraction has 2617 states and 4829 transitions. [2022-03-03 18:25:06,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:06,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 4829 transitions. [2022-03-03 18:25:06,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-03 18:25:06,464 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:06,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:06,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-03-03 18:25:06,464 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:06,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:06,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1212183733, now seen corresponding path program 2 times [2022-03-03 18:25:06,464 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:06,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742366146] [2022-03-03 18:25:06,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:06,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:07,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:07,110 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:07,110 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742366146] [2022-03-03 18:25:07,110 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742366146] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:07,110 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:07,110 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-03 18:25:07,110 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697051726] [2022-03-03 18:25:07,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:07,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-03 18:25:07,111 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:07,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-03 18:25:07,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:25:07,111 INFO L87 Difference]: Start difference. First operand 2617 states and 4829 transitions. Second operand has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:09,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:09,363 INFO L93 Difference]: Finished difference Result 3152 states and 5797 transitions. [2022-03-03 18:25:09,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-03 18:25:09,363 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2022-03-03 18:25:09,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:09,367 INFO L225 Difference]: With dead ends: 3152 [2022-03-03 18:25:09,367 INFO L226 Difference]: Without dead ends: 3152 [2022-03-03 18:25:09,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=537, Invalid=3753, Unknown=0, NotChecked=0, Total=4290 [2022-03-03 18:25:09,367 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 1273 mSDsluCounter, 3700 mSDsCounter, 0 mSdLazyCounter, 3845 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1273 SdHoareTripleChecker+Valid, 3948 SdHoareTripleChecker+Invalid, 4145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 3845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:09,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1273 Valid, 3948 Invalid, 4145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 3845 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-03 18:25:09,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2022-03-03 18:25:09,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 2615. [2022-03-03 18:25:09,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2615 states, 2608 states have (on average 1.8500766871165644) internal successors, (4825), 2614 states have internal predecessors, (4825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:09,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 4825 transitions. [2022-03-03 18:25:09,390 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 4825 transitions. Word has length 239 [2022-03-03 18:25:09,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:09,390 INFO L470 AbstractCegarLoop]: Abstraction has 2615 states and 4825 transitions. [2022-03-03 18:25:09,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:09,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 4825 transitions. [2022-03-03 18:25:09,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-03 18:25:09,392 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:09,392 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:09,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-03-03 18:25:09,392 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:09,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:09,392 INFO L85 PathProgramCache]: Analyzing trace with hash -250584729, now seen corresponding path program 3 times [2022-03-03 18:25:09,392 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:09,392 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526085815] [2022-03-03 18:25:09,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:09,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:10,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:10,001 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:10,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526085815] [2022-03-03 18:25:10,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526085815] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:10,001 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:10,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-03 18:25:10,001 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011170519] [2022-03-03 18:25:10,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:10,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-03 18:25:10,002 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:10,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-03 18:25:10,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:25:10,002 INFO L87 Difference]: Start difference. First operand 2615 states and 4825 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:13,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:13,340 INFO L93 Difference]: Finished difference Result 3140 states and 5768 transitions. [2022-03-03 18:25:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-03 18:25:13,340 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2022-03-03 18:25:13,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:13,343 INFO L225 Difference]: With dead ends: 3140 [2022-03-03 18:25:13,343 INFO L226 Difference]: Without dead ends: 3140 [2022-03-03 18:25:13,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1672 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=731, Invalid=5275, Unknown=0, NotChecked=0, Total=6006 [2022-03-03 18:25:13,344 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 1071 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 6538 mSolverCounterSat, 355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 5538 SdHoareTripleChecker+Invalid, 6893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 6538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:13,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1071 Valid, 5538 Invalid, 6893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 6538 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-03-03 18:25:13,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3140 states. [2022-03-03 18:25:13,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3140 to 2613. [2022-03-03 18:25:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2613 states, 2606 states have (on average 1.8499616270145818) internal successors, (4821), 2612 states have internal predecessors, (4821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2613 states and 4821 transitions. [2022-03-03 18:25:13,384 INFO L78 Accepts]: Start accepts. Automaton has 2613 states and 4821 transitions. Word has length 239 [2022-03-03 18:25:13,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:13,384 INFO L470 AbstractCegarLoop]: Abstraction has 2613 states and 4821 transitions. [2022-03-03 18:25:13,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 4821 transitions. [2022-03-03 18:25:13,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-03 18:25:13,386 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:13,386 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:13,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-03-03 18:25:13,386 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:13,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:13,387 INFO L85 PathProgramCache]: Analyzing trace with hash 141617631, now seen corresponding path program 4 times [2022-03-03 18:25:13,387 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:13,387 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306417146] [2022-03-03 18:25:13,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:13,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:14,204 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:14,204 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306417146] [2022-03-03 18:25:14,205 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306417146] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:14,205 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:14,205 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-03 18:25:14,205 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571631569] [2022-03-03 18:25:14,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:14,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-03 18:25:14,205 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:14,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-03 18:25:14,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=905, Unknown=0, NotChecked=0, Total=992 [2022-03-03 18:25:14,206 INFO L87 Difference]: Start difference. First operand 2613 states and 4821 transitions. Second operand has 32 states, 31 states have (on average 7.709677419354839) internal successors, (239), 32 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:17,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:17,741 INFO L93 Difference]: Finished difference Result 3645 states and 6649 transitions. [2022-03-03 18:25:17,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-03 18:25:17,741 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.709677419354839) internal successors, (239), 32 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2022-03-03 18:25:17,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:17,745 INFO L225 Difference]: With dead ends: 3645 [2022-03-03 18:25:17,745 INFO L226 Difference]: Without dead ends: 3645 [2022-03-03 18:25:17,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1427 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=805, Invalid=4895, Unknown=0, NotChecked=0, Total=5700 [2022-03-03 18:25:17,746 INFO L933 BasicCegarLoop]: 282 mSDtfsCounter, 1689 mSDsluCounter, 5258 mSDsCounter, 0 mSdLazyCounter, 4993 mSolverCounterSat, 485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 5528 SdHoareTripleChecker+Invalid, 5478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 485 IncrementalHoareTripleChecker+Valid, 4993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:17,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1689 Valid, 5528 Invalid, 5478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [485 Valid, 4993 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-03 18:25:17,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3645 states. [2022-03-03 18:25:17,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3645 to 2656. [2022-03-03 18:25:17,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2656 states, 2649 states have (on average 1.8523971309928275) internal successors, (4907), 2655 states have internal predecessors, (4907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2656 states and 4907 transitions. [2022-03-03 18:25:17,771 INFO L78 Accepts]: Start accepts. Automaton has 2656 states and 4907 transitions. Word has length 239 [2022-03-03 18:25:17,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:17,771 INFO L470 AbstractCegarLoop]: Abstraction has 2656 states and 4907 transitions. [2022-03-03 18:25:17,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.709677419354839) internal successors, (239), 32 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:17,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 4907 transitions. [2022-03-03 18:25:17,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-03 18:25:17,773 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:17,773 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:17,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-03-03 18:25:17,773 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:17,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:17,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1983651895, now seen corresponding path program 5 times [2022-03-03 18:25:17,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:17,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319721290] [2022-03-03 18:25:17,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:17,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:18,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:18,358 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:18,358 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319721290] [2022-03-03 18:25:18,358 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319721290] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:18,358 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:18,358 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-03 18:25:18,359 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981229314] [2022-03-03 18:25:18,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:18,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-03 18:25:18,359 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:18,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-03 18:25:18,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:25:18,359 INFO L87 Difference]: Start difference. First operand 2656 states and 4907 transitions. Second operand has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:20,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:20,617 INFO L93 Difference]: Finished difference Result 3164 states and 5821 transitions. [2022-03-03 18:25:20,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-03 18:25:20,618 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2022-03-03 18:25:20,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:20,621 INFO L225 Difference]: With dead ends: 3164 [2022-03-03 18:25:20,621 INFO L226 Difference]: Without dead ends: 3164 [2022-03-03 18:25:20,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=549, Invalid=3611, Unknown=0, NotChecked=0, Total=4160 [2022-03-03 18:25:20,622 INFO L933 BasicCegarLoop]: 253 mSDtfsCounter, 1543 mSDsluCounter, 3639 mSDsCounter, 0 mSdLazyCounter, 3842 mSolverCounterSat, 318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 3885 SdHoareTripleChecker+Invalid, 4160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 318 IncrementalHoareTripleChecker+Valid, 3842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:20,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1543 Valid, 3885 Invalid, 4160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [318 Valid, 3842 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-03 18:25:20,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3164 states. [2022-03-03 18:25:20,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3164 to 2658. [2022-03-03 18:25:20,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2658 states, 2651 states have (on average 1.8525084873632591) internal successors, (4911), 2657 states have internal predecessors, (4911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:20,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2658 states and 4911 transitions. [2022-03-03 18:25:20,645 INFO L78 Accepts]: Start accepts. Automaton has 2658 states and 4911 transitions. Word has length 239 [2022-03-03 18:25:20,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:20,645 INFO L470 AbstractCegarLoop]: Abstraction has 2658 states and 4911 transitions. [2022-03-03 18:25:20,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:20,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 4911 transitions. [2022-03-03 18:25:20,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-03 18:25:20,647 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:20,647 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:20,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-03-03 18:25:20,647 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:20,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:20,647 INFO L85 PathProgramCache]: Analyzing trace with hash -67005067, now seen corresponding path program 6 times [2022-03-03 18:25:20,648 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:20,648 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288221727] [2022-03-03 18:25:20,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:20,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:21,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:21,386 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:21,386 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288221727] [2022-03-03 18:25:21,386 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288221727] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:21,386 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:21,386 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:25:21,386 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630478877] [2022-03-03 18:25:21,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:21,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:25:21,387 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:21,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:25:21,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:25:21,387 INFO L87 Difference]: Start difference. First operand 2658 states and 4911 transitions. Second operand has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:23,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:23,660 INFO L93 Difference]: Finished difference Result 3193 states and 5879 transitions. [2022-03-03 18:25:23,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-03 18:25:23,661 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2022-03-03 18:25:23,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:23,664 INFO L225 Difference]: With dead ends: 3193 [2022-03-03 18:25:23,664 INFO L226 Difference]: Without dead ends: 3193 [2022-03-03 18:25:23,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1377 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=639, Invalid=4763, Unknown=0, NotChecked=0, Total=5402 [2022-03-03 18:25:23,665 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 1725 mSDsluCounter, 2884 mSDsCounter, 0 mSdLazyCounter, 3332 mSolverCounterSat, 416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 3120 SdHoareTripleChecker+Invalid, 3748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 416 IncrementalHoareTripleChecker+Valid, 3332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:23,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1725 Valid, 3120 Invalid, 3748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [416 Valid, 3332 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-03 18:25:23,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2022-03-03 18:25:23,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 2640. [2022-03-03 18:25:23,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2640 states, 2633 states have (on average 1.8515001898974555) internal successors, (4875), 2639 states have internal predecessors, (4875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 2640 states and 4875 transitions. [2022-03-03 18:25:23,690 INFO L78 Accepts]: Start accepts. Automaton has 2640 states and 4875 transitions. Word has length 239 [2022-03-03 18:25:23,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:23,690 INFO L470 AbstractCegarLoop]: Abstraction has 2640 states and 4875 transitions. [2022-03-03 18:25:23,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 4875 transitions. [2022-03-03 18:25:23,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-03 18:25:23,692 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:23,692 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:23,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-03-03 18:25:23,692 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:23,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:23,693 INFO L85 PathProgramCache]: Analyzing trace with hash -138861879, now seen corresponding path program 7 times [2022-03-03 18:25:23,693 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:23,693 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465539356] [2022-03-03 18:25:23,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:23,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:24,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:24,334 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:24,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465539356] [2022-03-03 18:25:24,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465539356] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:24,334 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:24,334 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:25:24,334 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643439048] [2022-03-03 18:25:24,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:24,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:25:24,334 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:24,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:25:24,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=732, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:25:24,335 INFO L87 Difference]: Start difference. First operand 2640 states and 4875 transitions. Second operand has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:27,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:27,606 INFO L93 Difference]: Finished difference Result 3302 states and 6067 transitions. [2022-03-03 18:25:27,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-03 18:25:27,606 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2022-03-03 18:25:27,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:27,610 INFO L225 Difference]: With dead ends: 3302 [2022-03-03 18:25:27,610 INFO L226 Difference]: Without dead ends: 3302 [2022-03-03 18:25:27,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2180 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1083, Invalid=6399, Unknown=0, NotChecked=0, Total=7482 [2022-03-03 18:25:27,611 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 1564 mSDsluCounter, 4837 mSDsCounter, 0 mSdLazyCounter, 4993 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 5147 SdHoareTripleChecker+Invalid, 5467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 4993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:27,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1564 Valid, 5147 Invalid, 5467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 4993 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-03 18:25:27,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3302 states. [2022-03-03 18:25:27,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3302 to 2613. [2022-03-03 18:25:27,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2613 states, 2606 states have (on average 1.8499616270145818) internal successors, (4821), 2612 states have internal predecessors, (4821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:27,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2613 states and 4821 transitions. [2022-03-03 18:25:27,633 INFO L78 Accepts]: Start accepts. Automaton has 2613 states and 4821 transitions. Word has length 239 [2022-03-03 18:25:27,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:27,634 INFO L470 AbstractCegarLoop]: Abstraction has 2613 states and 4821 transitions. [2022-03-03 18:25:27,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:27,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 4821 transitions. [2022-03-03 18:25:27,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-03 18:25:27,636 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:27,636 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:27,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-03-03 18:25:27,636 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:27,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:27,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1232267889, now seen corresponding path program 8 times [2022-03-03 18:25:27,636 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:27,636 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341733683] [2022-03-03 18:25:27,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:27,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:28,508 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:28,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341733683] [2022-03-03 18:25:28,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341733683] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:28,509 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:28,509 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:25:28,509 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158200095] [2022-03-03 18:25:28,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:28,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:25:28,509 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:28,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:25:28,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=732, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:25:28,510 INFO L87 Difference]: Start difference. First operand 2613 states and 4821 transitions. Second operand has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:30,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:30,942 INFO L93 Difference]: Finished difference Result 3180 states and 5833 transitions. [2022-03-03 18:25:30,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-03 18:25:30,943 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2022-03-03 18:25:30,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:30,946 INFO L225 Difference]: With dead ends: 3180 [2022-03-03 18:25:30,946 INFO L226 Difference]: Without dead ends: 3180 [2022-03-03 18:25:30,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1075 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=532, Invalid=3890, Unknown=0, NotChecked=0, Total=4422 [2022-03-03 18:25:30,946 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 1161 mSDsluCounter, 3792 mSDsCounter, 0 mSdLazyCounter, 4188 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1161 SdHoareTripleChecker+Valid, 4046 SdHoareTripleChecker+Invalid, 4471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 4188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:30,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1161 Valid, 4046 Invalid, 4471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 4188 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-03 18:25:30,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3180 states. [2022-03-03 18:25:30,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3180 to 2653. [2022-03-03 18:25:30,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2653 states, 2646 states have (on average 1.8522297808012094) internal successors, (4901), 2652 states have internal predecessors, (4901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:30,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2653 states and 4901 transitions. [2022-03-03 18:25:30,968 INFO L78 Accepts]: Start accepts. Automaton has 2653 states and 4901 transitions. Word has length 239 [2022-03-03 18:25:30,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:30,968 INFO L470 AbstractCegarLoop]: Abstraction has 2653 states and 4901 transitions. [2022-03-03 18:25:30,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:30,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 4901 transitions. [2022-03-03 18:25:30,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-03 18:25:30,970 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:30,970 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:30,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-03-03 18:25:30,970 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:30,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:30,970 INFO L85 PathProgramCache]: Analyzing trace with hash -902486883, now seen corresponding path program 9 times [2022-03-03 18:25:30,971 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:30,971 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040034308] [2022-03-03 18:25:30,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:30,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:31,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:31,586 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:31,586 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040034308] [2022-03-03 18:25:31,586 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040034308] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:31,586 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:31,586 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-03-03 18:25:31,586 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892990816] [2022-03-03 18:25:31,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:31,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-03 18:25:31,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:31,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-03 18:25:31,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:25:31,587 INFO L87 Difference]: Start difference. First operand 2653 states and 4901 transitions. Second operand has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:34,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:34,200 INFO L93 Difference]: Finished difference Result 3226 states and 5925 transitions. [2022-03-03 18:25:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-03 18:25:34,201 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2022-03-03 18:25:34,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:34,204 INFO L225 Difference]: With dead ends: 3226 [2022-03-03 18:25:34,204 INFO L226 Difference]: Without dead ends: 3226 [2022-03-03 18:25:34,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1072 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=556, Invalid=3866, Unknown=0, NotChecked=0, Total=4422 [2022-03-03 18:25:34,205 INFO L933 BasicCegarLoop]: 267 mSDtfsCounter, 1078 mSDsluCounter, 4251 mSDsCounter, 0 mSdLazyCounter, 4718 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 4507 SdHoareTripleChecker+Invalid, 4976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 4718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:34,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1078 Valid, 4507 Invalid, 4976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 4718 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-03 18:25:34,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3226 states. [2022-03-03 18:25:34,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3226 to 2633. [2022-03-03 18:25:34,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 2626 states have (on average 1.8511043412033512) internal successors, (4861), 2632 states have internal predecessors, (4861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:34,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 4861 transitions. [2022-03-03 18:25:34,228 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 4861 transitions. Word has length 239 [2022-03-03 18:25:34,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:34,228 INFO L470 AbstractCegarLoop]: Abstraction has 2633 states and 4861 transitions. [2022-03-03 18:25:34,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:34,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 4861 transitions. [2022-03-03 18:25:34,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-03 18:25:34,230 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:34,230 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:34,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-03-03 18:25:34,230 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:34,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:34,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1929711951, now seen corresponding path program 10 times [2022-03-03 18:25:34,230 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:34,230 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638367397] [2022-03-03 18:25:34,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:34,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:34,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:34,872 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:34,872 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638367397] [2022-03-03 18:25:34,872 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638367397] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:34,872 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:34,872 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:25:34,872 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840058309] [2022-03-03 18:25:34,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:34,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:25:34,872 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:34,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:25:34,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=732, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:25:34,873 INFO L87 Difference]: Start difference. First operand 2633 states and 4861 transitions. Second operand has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:38,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:38,400 INFO L93 Difference]: Finished difference Result 3152 states and 5816 transitions. [2022-03-03 18:25:38,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-03 18:25:38,400 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2022-03-03 18:25:38,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:38,403 INFO L225 Difference]: With dead ends: 3152 [2022-03-03 18:25:38,403 INFO L226 Difference]: Without dead ends: 3152 [2022-03-03 18:25:38,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1449 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=734, Invalid=4966, Unknown=0, NotChecked=0, Total=5700 [2022-03-03 18:25:38,404 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 1163 mSDsluCounter, 5139 mSDsCounter, 0 mSdLazyCounter, 6583 mSolverCounterSat, 353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 5459 SdHoareTripleChecker+Invalid, 6936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 6583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:38,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1163 Valid, 5459 Invalid, 6936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [353 Valid, 6583 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-03-03 18:25:38,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2022-03-03 18:25:38,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 2253. [2022-03-03 18:25:38,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2246 states have (on average 1.8365983971504898) internal successors, (4125), 2252 states have internal predecessors, (4125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:38,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 4125 transitions. [2022-03-03 18:25:38,423 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 4125 transitions. Word has length 239 [2022-03-03 18:25:38,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:38,423 INFO L470 AbstractCegarLoop]: Abstraction has 2253 states and 4125 transitions. [2022-03-03 18:25:38,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 4125 transitions. [2022-03-03 18:25:38,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-03 18:25:38,425 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:38,425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:38,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-03-03 18:25:38,425 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:38,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:38,425 INFO L85 PathProgramCache]: Analyzing trace with hash -701974570, now seen corresponding path program 1 times [2022-03-03 18:25:38,426 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:38,426 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341827368] [2022-03-03 18:25:38,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:38,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:39,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:39,655 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:39,655 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341827368] [2022-03-03 18:25:39,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341827368] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:39,655 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:39,655 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-03 18:25:39,655 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732319642] [2022-03-03 18:25:39,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:39,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-03 18:25:39,656 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:39,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-03 18:25:39,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=899, Unknown=0, NotChecked=0, Total=992 [2022-03-03 18:25:39,656 INFO L87 Difference]: Start difference. First operand 2253 states and 4125 transitions. Second operand has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:42,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:42,181 INFO L93 Difference]: Finished difference Result 3294 states and 6115 transitions. [2022-03-03 18:25:42,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-03 18:25:42,181 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-03-03 18:25:42,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:42,184 INFO L225 Difference]: With dead ends: 3294 [2022-03-03 18:25:42,184 INFO L226 Difference]: Without dead ends: 3286 [2022-03-03 18:25:42,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1134 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=563, Invalid=4267, Unknown=0, NotChecked=0, Total=4830 [2022-03-03 18:25:42,185 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 1829 mSDsluCounter, 3535 mSDsCounter, 0 mSdLazyCounter, 3784 mSolverCounterSat, 332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 3783 SdHoareTripleChecker+Invalid, 4116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 3784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:42,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1829 Valid, 3783 Invalid, 4116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 3784 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-03 18:25:42,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3286 states. [2022-03-03 18:25:42,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3286 to 2527. [2022-03-03 18:25:42,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2527 states, 2520 states have (on average 1.8547619047619048) internal successors, (4674), 2526 states have internal predecessors, (4674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:42,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2527 states and 4674 transitions. [2022-03-03 18:25:42,205 INFO L78 Accepts]: Start accepts. Automaton has 2527 states and 4674 transitions. Word has length 242 [2022-03-03 18:25:42,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:42,206 INFO L470 AbstractCegarLoop]: Abstraction has 2527 states and 4674 transitions. [2022-03-03 18:25:42,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:42,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 4674 transitions. [2022-03-03 18:25:42,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-03 18:25:42,208 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:42,208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:42,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-03-03 18:25:42,208 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:42,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:42,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1459050451, now seen corresponding path program 1 times [2022-03-03 18:25:42,208 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:42,208 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026679151] [2022-03-03 18:25:42,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:42,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:42,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:42,877 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:42,877 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026679151] [2022-03-03 18:25:42,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026679151] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:42,877 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:42,877 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-03 18:25:42,877 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458471565] [2022-03-03 18:25:42,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:42,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-03 18:25:42,878 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:42,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-03 18:25:42,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=901, Unknown=0, NotChecked=0, Total=992 [2022-03-03 18:25:42,878 INFO L87 Difference]: Start difference. First operand 2527 states and 4674 transitions. Second operand has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:45,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:45,944 INFO L93 Difference]: Finished difference Result 3029 states and 5607 transitions. [2022-03-03 18:25:45,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-03 18:25:45,944 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-03-03 18:25:45,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:45,947 INFO L225 Difference]: With dead ends: 3029 [2022-03-03 18:25:45,947 INFO L226 Difference]: Without dead ends: 3029 [2022-03-03 18:25:45,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1487 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=619, Invalid=5233, Unknown=0, NotChecked=0, Total=5852 [2022-03-03 18:25:45,948 INFO L933 BasicCegarLoop]: 289 mSDtfsCounter, 1646 mSDsluCounter, 4899 mSDsCounter, 0 mSdLazyCounter, 5600 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1646 SdHoareTripleChecker+Valid, 5182 SdHoareTripleChecker+Invalid, 5720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 5600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:45,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1646 Valid, 5182 Invalid, 5720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 5600 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-03 18:25:45,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2022-03-03 18:25:45,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 2554. [2022-03-03 18:25:45,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2554 states, 2547 states have (on average 1.8527679623085984) internal successors, (4719), 2553 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) [2022-03-03 18:25:45,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2554 states and 4719 transitions. [2022-03-03 18:25:45,971 INFO L78 Accepts]: Start accepts. Automaton has 2554 states and 4719 transitions. Word has length 242 [2022-03-03 18:25:45,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:45,971 INFO L470 AbstractCegarLoop]: Abstraction has 2554 states and 4719 transitions. [2022-03-03 18:25:45,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:45,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 4719 transitions. [2022-03-03 18:25:45,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-03 18:25:45,974 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:45,974 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:45,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-03-03 18:25:45,974 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:45,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:45,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1455854637, now seen corresponding path program 2 times [2022-03-03 18:25:45,974 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:45,974 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557011310] [2022-03-03 18:25:45,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:45,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:46,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:46,764 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:46,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557011310] [2022-03-03 18:25:46,765 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557011310] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:46,765 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:46,765 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-03 18:25:46,765 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091446674] [2022-03-03 18:25:46,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:46,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-03 18:25:46,765 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:46,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-03 18:25:46,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=900, Unknown=0, NotChecked=0, Total=992 [2022-03-03 18:25:46,766 INFO L87 Difference]: Start difference. First operand 2554 states and 4719 transitions. Second operand has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:50,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:50,804 INFO L93 Difference]: Finished difference Result 2812 states and 5178 transitions. [2022-03-03 18:25:50,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-03 18:25:50,804 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-03-03 18:25:50,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:50,807 INFO L225 Difference]: With dead ends: 2812 [2022-03-03 18:25:50,807 INFO L226 Difference]: Without dead ends: 2812 [2022-03-03 18:25:50,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2177 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1022, Invalid=6634, Unknown=0, NotChecked=0, Total=7656 [2022-03-03 18:25:50,808 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 1892 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 4338 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1892 SdHoareTripleChecker+Valid, 4274 SdHoareTripleChecker+Invalid, 4585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 4338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:50,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1892 Valid, 4274 Invalid, 4585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 4338 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-03 18:25:50,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2812 states. [2022-03-03 18:25:50,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2812 to 2588. [2022-03-03 18:25:50,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2588 states, 2581 states have (on average 1.851995350639287) internal successors, (4780), 2587 states have internal predecessors, (4780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:50,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2588 states and 4780 transitions. [2022-03-03 18:25:50,831 INFO L78 Accepts]: Start accepts. Automaton has 2588 states and 4780 transitions. Word has length 242 [2022-03-03 18:25:50,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:50,831 INFO L470 AbstractCegarLoop]: Abstraction has 2588 states and 4780 transitions. [2022-03-03 18:25:50,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:50,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states and 4780 transitions. [2022-03-03 18:25:50,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-03 18:25:50,833 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:50,834 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:50,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-03-03 18:25:50,834 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:50,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:50,834 INFO L85 PathProgramCache]: Analyzing trace with hash -972668436, now seen corresponding path program 2 times [2022-03-03 18:25:50,834 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:50,834 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632968516] [2022-03-03 18:25:50,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:50,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:51,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:51,650 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:51,650 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632968516] [2022-03-03 18:25:51,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632968516] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:51,650 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:51,650 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:25:51,650 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237459194] [2022-03-03 18:25:51,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:51,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:25:51,650 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:51,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:25:51,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=841, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:25:51,651 INFO L87 Difference]: Start difference. First operand 2588 states and 4780 transitions. Second operand has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:54,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:54,805 INFO L93 Difference]: Finished difference Result 3411 states and 6340 transitions. [2022-03-03 18:25:54,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-03 18:25:54,805 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-03-03 18:25:54,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:54,809 INFO L225 Difference]: With dead ends: 3411 [2022-03-03 18:25:54,809 INFO L226 Difference]: Without dead ends: 3403 [2022-03-03 18:25:54,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1500 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=746, Invalid=4954, Unknown=0, NotChecked=0, Total=5700 [2022-03-03 18:25:54,809 INFO L933 BasicCegarLoop]: 251 mSDtfsCounter, 2319 mSDsluCounter, 3771 mSDsCounter, 0 mSdLazyCounter, 4443 mSolverCounterSat, 358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2319 SdHoareTripleChecker+Valid, 4013 SdHoareTripleChecker+Invalid, 4801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 358 IncrementalHoareTripleChecker+Valid, 4443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:54,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2319 Valid, 4013 Invalid, 4801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [358 Valid, 4443 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-03 18:25:54,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2022-03-03 18:25:54,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 2590. [2022-03-03 18:25:54,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2590 states, 2583 states have (on average 1.8532713898567557) internal successors, (4787), 2589 states have internal predecessors, (4787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2590 states and 4787 transitions. [2022-03-03 18:25:54,834 INFO L78 Accepts]: Start accepts. Automaton has 2590 states and 4787 transitions. Word has length 242 [2022-03-03 18:25:54,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:54,834 INFO L470 AbstractCegarLoop]: Abstraction has 2590 states and 4787 transitions. [2022-03-03 18:25:54,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:54,835 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 4787 transitions. [2022-03-03 18:25:54,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-03 18:25:54,837 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:54,837 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:54,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-03-03 18:25:54,837 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:54,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:54,837 INFO L85 PathProgramCache]: Analyzing trace with hash -951889145, now seen corresponding path program 3 times [2022-03-03 18:25:54,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:54,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251897256] [2022-03-03 18:25:54,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:54,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:55,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:55,530 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:55,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251897256] [2022-03-03 18:25:55,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251897256] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:55,530 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:55,530 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-03 18:25:55,530 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339104936] [2022-03-03 18:25:55,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:55,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-03 18:25:55,530 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:55,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-03 18:25:55,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:25:55,531 INFO L87 Difference]: Start difference. First operand 2590 states and 4787 transitions. Second operand has 30 states, 29 states have (on average 8.344827586206897) internal successors, (242), 30 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:58,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:58,285 INFO L93 Difference]: Finished difference Result 2951 states and 5471 transitions. [2022-03-03 18:25:58,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-03 18:25:58,286 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.344827586206897) internal successors, (242), 30 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-03-03 18:25:58,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:58,289 INFO L225 Difference]: With dead ends: 2951 [2022-03-03 18:25:58,289 INFO L226 Difference]: Without dead ends: 2951 [2022-03-03 18:25:58,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1655 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=931, Invalid=5231, Unknown=0, NotChecked=0, Total=6162 [2022-03-03 18:25:58,290 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 2553 mSDsluCounter, 3369 mSDsCounter, 0 mSdLazyCounter, 3576 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2553 SdHoareTripleChecker+Valid, 3657 SdHoareTripleChecker+Invalid, 3828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 3576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:58,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2553 Valid, 3657 Invalid, 3828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 3576 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-03 18:25:58,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2951 states. [2022-03-03 18:25:58,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2951 to 2525. [2022-03-03 18:25:58,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2525 states, 2518 states have (on average 1.8482922954725973) internal successors, (4654), 2524 states have internal predecessors, (4654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:58,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 4654 transitions. [2022-03-03 18:25:58,312 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 4654 transitions. Word has length 242 [2022-03-03 18:25:58,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:58,312 INFO L470 AbstractCegarLoop]: Abstraction has 2525 states and 4654 transitions. [2022-03-03 18:25:58,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.344827586206897) internal successors, (242), 30 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:25:58,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 4654 transitions. [2022-03-03 18:25:58,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-03 18:25:58,314 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:58,314 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:58,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-03-03 18:25:58,314 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:25:58,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:58,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1277773896, now seen corresponding path program 3 times [2022-03-03 18:25:58,315 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:58,315 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347883715] [2022-03-03 18:25:58,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:58,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:25:59,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:59,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347883715] [2022-03-03 18:25:59,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347883715] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:59,191 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:59,191 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:25:59,191 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973883549] [2022-03-03 18:25:59,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:59,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:25:59,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:59,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:25:59,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=841, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:25:59,192 INFO L87 Difference]: Start difference. First operand 2525 states and 4654 transitions. Second operand has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:01,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:01,797 INFO L93 Difference]: Finished difference Result 3452 states and 6422 transitions. [2022-03-03 18:26:01,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-03 18:26:01,798 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-03-03 18:26:01,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:01,801 INFO L225 Difference]: With dead ends: 3452 [2022-03-03 18:26:01,801 INFO L226 Difference]: Without dead ends: 3444 [2022-03-03 18:26:01,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1029 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=541, Invalid=4015, Unknown=0, NotChecked=0, Total=4556 [2022-03-03 18:26:01,802 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 1832 mSDsluCounter, 3699 mSDsCounter, 0 mSdLazyCounter, 4128 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1832 SdHoareTripleChecker+Valid, 3954 SdHoareTripleChecker+Invalid, 4409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 4128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:01,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1832 Valid, 3954 Invalid, 4409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 4128 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-03 18:26:01,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3444 states. [2022-03-03 18:26:01,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3444 to 2669. [2022-03-03 18:26:01,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2669 states, 2662 states have (on average 1.857625845229151) internal successors, (4945), 2668 states have internal predecessors, (4945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:01,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2669 states and 4945 transitions. [2022-03-03 18:26:01,827 INFO L78 Accepts]: Start accepts. Automaton has 2669 states and 4945 transitions. Word has length 242 [2022-03-03 18:26:01,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:01,827 INFO L470 AbstractCegarLoop]: Abstraction has 2669 states and 4945 transitions. [2022-03-03 18:26:01,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:01,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 4945 transitions. [2022-03-03 18:26:01,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-03 18:26:01,830 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:01,830 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:01,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-03-03 18:26:01,830 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:26:01,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:01,830 INFO L85 PathProgramCache]: Analyzing trace with hash 883251125, now seen corresponding path program 4 times [2022-03-03 18:26:01,830 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:01,830 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589130733] [2022-03-03 18:26:01,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:01,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:02,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:26:02,604 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:02,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589130733] [2022-03-03 18:26:02,604 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589130733] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:02,604 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:02,604 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2022-03-03 18:26:02,604 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819116829] [2022-03-03 18:26:02,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:02,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-03-03 18:26:02,605 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:02,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-03-03 18:26:02,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1022, Unknown=0, NotChecked=0, Total=1122 [2022-03-03 18:26:02,605 INFO L87 Difference]: Start difference. First operand 2669 states and 4945 transitions. Second operand has 34 states, 33 states have (on average 7.333333333333333) internal successors, (242), 34 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:06,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:06,421 INFO L93 Difference]: Finished difference Result 3237 states and 6004 transitions. [2022-03-03 18:26:06,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-03 18:26:06,421 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 7.333333333333333) internal successors, (242), 34 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-03-03 18:26:06,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:06,425 INFO L225 Difference]: With dead ends: 3237 [2022-03-03 18:26:06,425 INFO L226 Difference]: Without dead ends: 3237 [2022-03-03 18:26:06,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1629 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=642, Invalid=5678, Unknown=0, NotChecked=0, Total=6320 [2022-03-03 18:26:06,426 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 1855 mSDsluCounter, 6018 mSDsCounter, 0 mSdLazyCounter, 7730 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1855 SdHoareTripleChecker+Valid, 6352 SdHoareTripleChecker+Invalid, 7874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 7730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:06,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1855 Valid, 6352 Invalid, 7874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 7730 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-03-03 18:26:06,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3237 states. [2022-03-03 18:26:06,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3237 to 2522. [2022-03-03 18:26:06,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2522 states, 2515 states have (on average 1.8493041749502983) internal successors, (4651), 2521 states have internal predecessors, (4651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:06,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 4651 transitions. [2022-03-03 18:26:06,465 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 4651 transitions. Word has length 242 [2022-03-03 18:26:06,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:06,465 INFO L470 AbstractCegarLoop]: Abstraction has 2522 states and 4651 transitions. [2022-03-03 18:26:06,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 7.333333333333333) internal successors, (242), 34 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:06,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 4651 transitions. [2022-03-03 18:26:06,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-03 18:26:06,467 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:06,467 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:06,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-03-03 18:26:06,467 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:26:06,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:06,468 INFO L85 PathProgramCache]: Analyzing trace with hash 118790434, now seen corresponding path program 4 times [2022-03-03 18:26:06,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:06,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559210436] [2022-03-03 18:26:06,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:06,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:07,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:26:07,558 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:07,558 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559210436] [2022-03-03 18:26:07,559 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559210436] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:07,559 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:07,559 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-03 18:26:07,559 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034887259] [2022-03-03 18:26:07,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:07,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-03 18:26:07,559 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:07,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-03 18:26:07,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=784, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:26:07,560 INFO L87 Difference]: Start difference. First operand 2522 states and 4651 transitions. Second operand has 30 states, 29 states have (on average 8.344827586206897) internal successors, (242), 30 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:10,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:10,056 INFO L93 Difference]: Finished difference Result 3463 states and 6434 transitions. [2022-03-03 18:26:10,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-03 18:26:10,057 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.344827586206897) internal successors, (242), 30 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-03-03 18:26:10,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:10,061 INFO L225 Difference]: With dead ends: 3463 [2022-03-03 18:26:10,061 INFO L226 Difference]: Without dead ends: 3455 [2022-03-03 18:26:10,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=528, Invalid=3504, Unknown=0, NotChecked=0, Total=4032 [2022-03-03 18:26:10,062 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 2024 mSDsluCounter, 3738 mSDsCounter, 0 mSdLazyCounter, 3874 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 4001 SdHoareTripleChecker+Invalid, 4214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 3874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:10,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2024 Valid, 4001 Invalid, 4214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 3874 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-03 18:26:10,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3455 states. [2022-03-03 18:26:10,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3455 to 2551. [2022-03-03 18:26:10,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2551 states, 2544 states have (on average 1.8510220125786163) internal successors, (4709), 2550 states have internal predecessors, (4709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 4709 transitions. [2022-03-03 18:26:10,085 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 4709 transitions. Word has length 242 [2022-03-03 18:26:10,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:10,086 INFO L470 AbstractCegarLoop]: Abstraction has 2551 states and 4709 transitions. [2022-03-03 18:26:10,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.344827586206897) internal successors, (242), 30 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:10,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 4709 transitions. [2022-03-03 18:26:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-03 18:26:10,088 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:10,088 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:10,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-03-03 18:26:10,088 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:26:10,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:10,088 INFO L85 PathProgramCache]: Analyzing trace with hash -2015151841, now seen corresponding path program 5 times [2022-03-03 18:26:10,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:10,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91292175] [2022-03-03 18:26:10,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:10,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:26:10,821 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:10,821 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91292175] [2022-03-03 18:26:10,821 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91292175] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:10,821 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:10,821 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:26:10,821 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381329224] [2022-03-03 18:26:10,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:10,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:26:10,821 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:10,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:26:10,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:26:10,822 INFO L87 Difference]: Start difference. First operand 2551 states and 4709 transitions. Second operand has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:13,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:13,827 INFO L93 Difference]: Finished difference Result 3051 states and 5651 transitions. [2022-03-03 18:26:13,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-03 18:26:13,827 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-03-03 18:26:13,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:13,830 INFO L225 Difference]: With dead ends: 3051 [2022-03-03 18:26:13,830 INFO L226 Difference]: Without dead ends: 3051 [2022-03-03 18:26:13,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 890 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=456, Invalid=3576, Unknown=0, NotChecked=0, Total=4032 [2022-03-03 18:26:13,830 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 1640 mSDsluCounter, 5764 mSDsCounter, 0 mSdLazyCounter, 6032 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1640 SdHoareTripleChecker+Valid, 6126 SdHoareTripleChecker+Invalid, 6144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 6032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:13,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1640 Valid, 6126 Invalid, 6144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 6032 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-03 18:26:13,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2022-03-03 18:26:13,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 2414. [2022-03-03 18:26:13,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2408 states have (on average 1.8417774086378738) internal successors, (4435), 2413 states have internal predecessors, (4435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:13,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 4435 transitions. [2022-03-03 18:26:13,850 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 4435 transitions. Word has length 242 [2022-03-03 18:26:13,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:13,850 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 4435 transitions. [2022-03-03 18:26:13,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:13,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 4435 transitions. [2022-03-03 18:26:13,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-03 18:26:13,852 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:13,852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:13,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-03-03 18:26:13,853 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:26:13,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:13,853 INFO L85 PathProgramCache]: Analyzing trace with hash 720995542, now seen corresponding path program 5 times [2022-03-03 18:26:13,853 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:13,853 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015546396] [2022-03-03 18:26:13,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:13,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:14,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:26:14,743 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:14,743 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015546396] [2022-03-03 18:26:14,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015546396] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:14,743 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:14,743 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-03 18:26:14,743 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486192055] [2022-03-03 18:26:14,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:14,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-03 18:26:14,743 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:14,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-03 18:26:14,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=897, Unknown=0, NotChecked=0, Total=992 [2022-03-03 18:26:14,744 INFO L87 Difference]: Start difference. First operand 2414 states and 4435 transitions. Second operand has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:17,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:17,092 INFO L93 Difference]: Finished difference Result 3130 states and 5797 transitions. [2022-03-03 18:26:17,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-03 18:26:17,092 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-03-03 18:26:17,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:17,096 INFO L225 Difference]: With dead ends: 3130 [2022-03-03 18:26:17,096 INFO L226 Difference]: Without dead ends: 3122 [2022-03-03 18:26:17,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 831 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=473, Invalid=3309, Unknown=0, NotChecked=0, Total=3782 [2022-03-03 18:26:17,097 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 2236 mSDsluCounter, 3661 mSDsCounter, 0 mSdLazyCounter, 3449 mSolverCounterSat, 344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2236 SdHoareTripleChecker+Valid, 3933 SdHoareTripleChecker+Invalid, 3793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 3449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:17,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2236 Valid, 3933 Invalid, 3793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [344 Valid, 3449 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-03 18:26:17,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3122 states. [2022-03-03 18:26:17,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3122 to 2414. [2022-03-03 18:26:17,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2408 states have (on average 1.8417774086378738) internal successors, (4435), 2413 states have internal predecessors, (4435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 4435 transitions. [2022-03-03 18:26:17,119 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 4435 transitions. Word has length 242 [2022-03-03 18:26:17,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:17,119 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 4435 transitions. [2022-03-03 18:26:17,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:17,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 4435 transitions. [2022-03-03 18:26:17,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-03 18:26:17,121 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:17,121 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:17,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-03-03 18:26:17,121 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:26:17,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:17,121 INFO L85 PathProgramCache]: Analyzing trace with hash 351006314, now seen corresponding path program 6 times [2022-03-03 18:26:17,121 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:17,121 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213556959] [2022-03-03 18:26:17,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:17,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:26:18,024 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:18,024 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213556959] [2022-03-03 18:26:18,024 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213556959] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:18,024 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:18,024 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-03 18:26:18,024 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514073769] [2022-03-03 18:26:18,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:18,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-03 18:26:18,025 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:18,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-03 18:26:18,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=960, Unknown=0, NotChecked=0, Total=1056 [2022-03-03 18:26:18,025 INFO L87 Difference]: Start difference. First operand 2414 states and 4435 transitions. Second operand has 33 states, 32 states have (on average 7.5625) internal successors, (242), 33 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:20,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:20,738 INFO L93 Difference]: Finished difference Result 3169 states and 5874 transitions. [2022-03-03 18:26:20,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-03 18:26:20,738 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.5625) internal successors, (242), 33 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-03-03 18:26:20,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:20,742 INFO L225 Difference]: With dead ends: 3169 [2022-03-03 18:26:20,742 INFO L226 Difference]: Without dead ends: 3161 [2022-03-03 18:26:20,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 929 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=504, Invalid=3656, Unknown=0, NotChecked=0, Total=4160 [2022-03-03 18:26:20,742 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 1498 mSDsluCounter, 4650 mSDsCounter, 0 mSdLazyCounter, 4383 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 4924 SdHoareTripleChecker+Invalid, 4648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 4383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:20,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1498 Valid, 4924 Invalid, 4648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 4383 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-03 18:26:20,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2022-03-03 18:26:20,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 2414. [2022-03-03 18:26:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2408 states have (on average 1.8417774086378738) internal successors, (4435), 2413 states have internal predecessors, (4435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:20,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 4435 transitions. [2022-03-03 18:26:20,764 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 4435 transitions. Word has length 242 [2022-03-03 18:26:20,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:20,764 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 4435 transitions. [2022-03-03 18:26:20,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.5625) internal successors, (242), 33 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 4435 transitions. [2022-03-03 18:26:20,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-03 18:26:20,766 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:20,766 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:20,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-03-03 18:26:20,766 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:26:20,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:20,766 INFO L85 PathProgramCache]: Analyzing trace with hash -370164614, now seen corresponding path program 7 times [2022-03-03 18:26:20,766 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:20,766 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398229424] [2022-03-03 18:26:20,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:20,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:21,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:26:21,600 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:21,600 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398229424] [2022-03-03 18:26:21,601 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398229424] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:21,601 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:21,601 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-03 18:26:21,601 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147092127] [2022-03-03 18:26:21,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:21,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-03 18:26:21,601 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:21,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-03 18:26:21,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:26:21,601 INFO L87 Difference]: Start difference. First operand 2414 states and 4435 transitions. Second operand has 29 states, 28 states have (on average 8.642857142857142) internal successors, (242), 29 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:24,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:24,379 INFO L93 Difference]: Finished difference Result 3205 states and 5945 transitions. [2022-03-03 18:26:24,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-03 18:26:24,379 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.642857142857142) internal successors, (242), 29 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-03-03 18:26:24,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:24,383 INFO L225 Difference]: With dead ends: 3205 [2022-03-03 18:26:24,383 INFO L226 Difference]: Without dead ends: 3197 [2022-03-03 18:26:24,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 907 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=455, Invalid=3327, Unknown=0, NotChecked=0, Total=3782 [2022-03-03 18:26:24,384 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 1662 mSDsluCounter, 4170 mSDsCounter, 0 mSdLazyCounter, 4121 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1662 SdHoareTripleChecker+Valid, 4437 SdHoareTripleChecker+Invalid, 4432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 4121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:24,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1662 Valid, 4437 Invalid, 4432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 4121 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-03 18:26:24,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2022-03-03 18:26:24,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 2414. [2022-03-03 18:26:24,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2408 states have (on average 1.8417774086378738) internal successors, (4435), 2413 states have internal predecessors, (4435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:24,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 4435 transitions. [2022-03-03 18:26:24,411 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 4435 transitions. Word has length 242 [2022-03-03 18:26:24,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:24,411 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 4435 transitions. [2022-03-03 18:26:24,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.642857142857142) internal successors, (242), 29 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:24,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 4435 transitions. [2022-03-03 18:26:24,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-03 18:26:24,413 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:24,413 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:24,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-03-03 18:26:24,413 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:26:24,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:24,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1172647984, now seen corresponding path program 8 times [2022-03-03 18:26:24,414 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:24,414 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468254981] [2022-03-03 18:26:24,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:24,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:26:25,270 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:25,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468254981] [2022-03-03 18:26:25,270 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468254981] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:25,270 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:25,270 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-03 18:26:25,270 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362506701] [2022-03-03 18:26:25,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:25,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-03 18:26:25,275 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:25,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-03 18:26:25,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=899, Unknown=0, NotChecked=0, Total=992 [2022-03-03 18:26:25,276 INFO L87 Difference]: Start difference. First operand 2414 states and 4435 transitions. Second operand has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:28,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:28,229 INFO L93 Difference]: Finished difference Result 3160 states and 5856 transitions. [2022-03-03 18:26:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-03 18:26:28,230 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-03-03 18:26:28,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:28,233 INFO L225 Difference]: With dead ends: 3160 [2022-03-03 18:26:28,233 INFO L226 Difference]: Without dead ends: 3152 [2022-03-03 18:26:28,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=514, Invalid=3776, Unknown=0, NotChecked=0, Total=4290 [2022-03-03 18:26:28,234 INFO L933 BasicCegarLoop]: 275 mSDtfsCounter, 1927 mSDsluCounter, 4797 mSDsCounter, 0 mSdLazyCounter, 4888 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 5060 SdHoareTripleChecker+Invalid, 5240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 4888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:28,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1927 Valid, 5060 Invalid, 5240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 4888 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-03 18:26:28,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2022-03-03 18:26:28,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 2329. [2022-03-03 18:26:28,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2329 states, 2323 states have (on average 1.8364184244511408) internal successors, (4266), 2328 states have internal predecessors, (4266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:28,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 2329 states and 4266 transitions. [2022-03-03 18:26:28,256 INFO L78 Accepts]: Start accepts. Automaton has 2329 states and 4266 transitions. Word has length 242 [2022-03-03 18:26:28,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:28,256 INFO L470 AbstractCegarLoop]: Abstraction has 2329 states and 4266 transitions. [2022-03-03 18:26:28,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.806451612903226) internal successors, (242), 32 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:28,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2329 states and 4266 transitions. [2022-03-03 18:26:28,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-03-03 18:26:28,258 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:28,258 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:28,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-03-03 18:26:28,258 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:26:28,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:28,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1111427437, now seen corresponding path program 6 times [2022-03-03 18:26:28,258 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:28,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87367262] [2022-03-03 18:26:28,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:28,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:29,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:26:29,016 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:29,016 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87367262] [2022-03-03 18:26:29,016 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87367262] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:29,016 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:29,016 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:26:29,016 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958801591] [2022-03-03 18:26:29,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:29,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:26:29,017 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:29,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:26:29,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:26:29,017 INFO L87 Difference]: Start difference. First operand 2329 states and 4266 transitions. Second operand has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:32,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:32,989 INFO L93 Difference]: Finished difference Result 3026 states and 5522 transitions. [2022-03-03 18:26:32,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-03 18:26:32,990 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2022-03-03 18:26:32,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:32,993 INFO L225 Difference]: With dead ends: 3026 [2022-03-03 18:26:32,993 INFO L226 Difference]: Without dead ends: 3026 [2022-03-03 18:26:32,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1558 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=850, Invalid=5470, Unknown=0, NotChecked=0, Total=6320 [2022-03-03 18:26:32,993 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 1771 mSDsluCounter, 6047 mSDsCounter, 0 mSdLazyCounter, 6431 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1771 SdHoareTripleChecker+Valid, 6444 SdHoareTripleChecker+Invalid, 6637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 6431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:32,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1771 Valid, 6444 Invalid, 6637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 6431 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-03-03 18:26:32,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3026 states. [2022-03-03 18:26:33,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3026 to 2166. [2022-03-03 18:26:33,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2166 states, 2160 states have (on average 1.8328703703703704) internal successors, (3959), 2165 states have internal predecessors, (3959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:33,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 2166 states and 3959 transitions. [2022-03-03 18:26:33,015 INFO L78 Accepts]: Start accepts. Automaton has 2166 states and 3959 transitions. Word has length 242 [2022-03-03 18:26:33,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:33,015 INFO L470 AbstractCegarLoop]: Abstraction has 2166 states and 3959 transitions. [2022-03-03 18:26:33,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.066666666666666) internal successors, (242), 31 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:33,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 3959 transitions. [2022-03-03 18:26:33,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-03 18:26:33,017 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:33,017 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:33,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-03-03 18:26:33,017 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:26:33,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:33,017 INFO L85 PathProgramCache]: Analyzing trace with hash 413625721, now seen corresponding path program 1 times [2022-03-03 18:26:33,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:33,017 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451308533] [2022-03-03 18:26:33,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:33,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:34,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:26:34,491 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:34,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451308533] [2022-03-03 18:26:34,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451308533] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:34,491 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:34,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-03 18:26:34,491 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198135672] [2022-03-03 18:26:34,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:34,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-03 18:26:34,491 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:34,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-03 18:26:34,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=960, Unknown=0, NotChecked=0, Total=1056 [2022-03-03 18:26:34,492 INFO L87 Difference]: Start difference. First operand 2166 states and 3959 transitions. Second operand has 33 states, 32 states have (on average 7.71875) internal successors, (247), 33 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:38,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:38,366 INFO L93 Difference]: Finished difference Result 3105 states and 5760 transitions. [2022-03-03 18:26:38,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-03 18:26:38,366 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.71875) internal successors, (247), 33 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2022-03-03 18:26:38,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:38,369 INFO L225 Difference]: With dead ends: 3105 [2022-03-03 18:26:38,369 INFO L226 Difference]: Without dead ends: 3090 [2022-03-03 18:26:38,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1228 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=596, Invalid=4516, Unknown=0, NotChecked=0, Total=5112 [2022-03-03 18:26:38,370 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 1737 mSDsluCounter, 4584 mSDsCounter, 0 mSdLazyCounter, 4898 mSolverCounterSat, 321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 4837 SdHoareTripleChecker+Invalid, 5219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 321 IncrementalHoareTripleChecker+Valid, 4898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:38,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1737 Valid, 4837 Invalid, 5219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [321 Valid, 4898 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-03 18:26:38,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3090 states. [2022-03-03 18:26:38,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3090 to 2404. [2022-03-03 18:26:38,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2398 states have (on average 1.8490408673894911) internal successors, (4434), 2403 states have internal predecessors, (4434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:38,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 4434 transitions. [2022-03-03 18:26:38,391 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 4434 transitions. Word has length 247 [2022-03-03 18:26:38,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:38,391 INFO L470 AbstractCegarLoop]: Abstraction has 2404 states and 4434 transitions. [2022-03-03 18:26:38,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.71875) internal successors, (247), 33 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:38,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 4434 transitions. [2022-03-03 18:26:38,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-03 18:26:38,403 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:38,403 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:38,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-03-03 18:26:38,404 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:26:38,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:38,404 INFO L85 PathProgramCache]: Analyzing trace with hash -6996749, now seen corresponding path program 2 times [2022-03-03 18:26:38,404 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:38,404 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225316546] [2022-03-03 18:26:38,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:38,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:39,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:26:39,333 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:39,333 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225316546] [2022-03-03 18:26:39,333 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225316546] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:39,333 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:39,333 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-03-03 18:26:39,333 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48007245] [2022-03-03 18:26:39,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:39,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-03 18:26:39,333 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:39,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-03 18:26:39,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=903, Unknown=0, NotChecked=0, Total=992 [2022-03-03 18:26:39,334 INFO L87 Difference]: Start difference. First operand 2404 states and 4434 transitions. Second operand has 32 states, 31 states have (on average 7.967741935483871) internal successors, (247), 32 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:42,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:42,239 INFO L93 Difference]: Finished difference Result 3110 states and 5769 transitions. [2022-03-03 18:26:42,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-03 18:26:42,240 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.967741935483871) internal successors, (247), 32 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2022-03-03 18:26:42,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:42,243 INFO L225 Difference]: With dead ends: 3110 [2022-03-03 18:26:42,243 INFO L226 Difference]: Without dead ends: 3088 [2022-03-03 18:26:42,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1134 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=597, Invalid=4373, Unknown=0, NotChecked=0, Total=4970 [2022-03-03 18:26:42,244 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 1897 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 4438 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 4282 SdHoareTripleChecker+Invalid, 4748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 4438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:42,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 4282 Invalid, 4748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 4438 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-03 18:26:42,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3088 states. [2022-03-03 18:26:42,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3088 to 2402. [2022-03-03 18:26:42,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2402 states, 2396 states have (on average 1.848914858096828) internal successors, (4430), 2401 states have internal predecessors, (4430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:42,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2402 states and 4430 transitions. [2022-03-03 18:26:42,264 INFO L78 Accepts]: Start accepts. Automaton has 2402 states and 4430 transitions. Word has length 247 [2022-03-03 18:26:42,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:42,264 INFO L470 AbstractCegarLoop]: Abstraction has 2402 states and 4430 transitions. [2022-03-03 18:26:42,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.967741935483871) internal successors, (247), 32 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 4430 transitions. [2022-03-03 18:26:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-03 18:26:42,266 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:42,266 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:42,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-03-03 18:26:42,266 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:26:42,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:42,267 INFO L85 PathProgramCache]: Analyzing trace with hash 17094771, now seen corresponding path program 3 times [2022-03-03 18:26:42,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:42,267 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686272807] [2022-03-03 18:26:42,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:42,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:43,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:26:43,008 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:43,008 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686272807] [2022-03-03 18:26:43,008 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686272807] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:43,008 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:43,008 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:26:43,008 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615802092] [2022-03-03 18:26:43,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:43,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:26:43,009 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:43,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:26:43,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:26:43,011 INFO L87 Difference]: Start difference. First operand 2402 states and 4430 transitions. Second operand has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:46,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:46,447 INFO L93 Difference]: Finished difference Result 3244 states and 6006 transitions. [2022-03-03 18:26:46,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-03 18:26:46,448 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2022-03-03 18:26:46,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:46,451 INFO L225 Difference]: With dead ends: 3244 [2022-03-03 18:26:46,451 INFO L226 Difference]: Without dead ends: 3215 [2022-03-03 18:26:46,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1547 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=811, Invalid=5509, Unknown=0, NotChecked=0, Total=6320 [2022-03-03 18:26:46,451 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 1801 mSDsluCounter, 5203 mSDsCounter, 0 mSdLazyCounter, 5716 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1801 SdHoareTripleChecker+Valid, 5479 SdHoareTripleChecker+Invalid, 6107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 5716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:46,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1801 Valid, 5479 Invalid, 6107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 5716 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-03-03 18:26:46,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3215 states. [2022-03-03 18:26:46,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3215 to 2400. [2022-03-03 18:26:46,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2400 states, 2394 states have (on average 1.8492063492063493) internal successors, (4427), 2399 states have internal predecessors, (4427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2400 states and 4427 transitions. [2022-03-03 18:26:46,471 INFO L78 Accepts]: Start accepts. Automaton has 2400 states and 4427 transitions. Word has length 247 [2022-03-03 18:26:46,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:46,471 INFO L470 AbstractCegarLoop]: Abstraction has 2400 states and 4427 transitions. [2022-03-03 18:26:46,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:46,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 4427 transitions. [2022-03-03 18:26:46,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-03 18:26:46,473 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:46,473 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:46,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-03-03 18:26:46,473 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:26:46,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:46,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1604209323, now seen corresponding path program 4 times [2022-03-03 18:26:46,475 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:46,475 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516412037] [2022-03-03 18:26:46,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:46,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:47,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:26:47,165 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:47,165 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516412037] [2022-03-03 18:26:47,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516412037] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:47,166 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:47,166 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-03 18:26:47,166 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175825306] [2022-03-03 18:26:47,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:47,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-03 18:26:47,166 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:47,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-03 18:26:47,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:26:47,167 INFO L87 Difference]: Start difference. First operand 2400 states and 4427 transitions. Second operand has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:49,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:49,892 INFO L93 Difference]: Finished difference Result 3170 states and 5890 transitions. [2022-03-03 18:26:49,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-03 18:26:49,892 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2022-03-03 18:26:49,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:49,895 INFO L225 Difference]: With dead ends: 3170 [2022-03-03 18:26:49,896 INFO L226 Difference]: Without dead ends: 3155 [2022-03-03 18:26:49,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1502 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=770, Invalid=4780, Unknown=0, NotChecked=0, Total=5550 [2022-03-03 18:26:49,896 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 2476 mSDsluCounter, 3470 mSDsCounter, 0 mSdLazyCounter, 3860 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2476 SdHoareTripleChecker+Valid, 3719 SdHoareTripleChecker+Invalid, 4273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 3860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:49,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2476 Valid, 3719 Invalid, 4273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 3860 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-03 18:26:49,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3155 states. [2022-03-03 18:26:49,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3155 to 2464. [2022-03-03 18:26:49,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 2458 states have (on average 1.8527257933279089) internal successors, (4554), 2463 states have internal predecessors, (4554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:49,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 4554 transitions. [2022-03-03 18:26:49,917 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 4554 transitions. Word has length 247 [2022-03-03 18:26:49,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:49,917 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 4554 transitions. [2022-03-03 18:26:49,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 4554 transitions. [2022-03-03 18:26:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-03 18:26:49,919 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:49,919 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:49,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-03-03 18:26:49,919 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:26:49,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:49,919 INFO L85 PathProgramCache]: Analyzing trace with hash 331918131, now seen corresponding path program 5 times [2022-03-03 18:26:49,919 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:49,920 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566166421] [2022-03-03 18:26:49,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:49,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:50,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:26:50,693 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:50,693 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566166421] [2022-03-03 18:26:50,693 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566166421] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:50,693 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:50,693 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:26:50,693 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859030979] [2022-03-03 18:26:50,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:50,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:26:50,694 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:50,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:26:50,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=846, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:26:50,694 INFO L87 Difference]: Start difference. First operand 2464 states and 4554 transitions. Second operand has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:53,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:53,618 INFO L93 Difference]: Finished difference Result 3170 states and 5889 transitions. [2022-03-03 18:26:53,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-03 18:26:53,619 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2022-03-03 18:26:53,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:53,622 INFO L225 Difference]: With dead ends: 3170 [2022-03-03 18:26:53,622 INFO L226 Difference]: Without dead ends: 3148 [2022-03-03 18:26:53,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1571 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=809, Invalid=5197, Unknown=0, NotChecked=0, Total=6006 [2022-03-03 18:26:53,623 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 2571 mSDsluCounter, 3648 mSDsCounter, 0 mSdLazyCounter, 3989 mSolverCounterSat, 430 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 3902 SdHoareTripleChecker+Invalid, 4419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 430 IncrementalHoareTripleChecker+Valid, 3989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:53,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2571 Valid, 3902 Invalid, 4419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [430 Valid, 3989 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-03 18:26:53,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2022-03-03 18:26:53,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 2457. [2022-03-03 18:26:53,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2457 states, 2451 states have (on average 1.8523051815585476) internal successors, (4540), 2456 states have internal predecessors, (4540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:53,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2457 states and 4540 transitions. [2022-03-03 18:26:53,644 INFO L78 Accepts]: Start accepts. Automaton has 2457 states and 4540 transitions. Word has length 247 [2022-03-03 18:26:53,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:53,644 INFO L470 AbstractCegarLoop]: Abstraction has 2457 states and 4540 transitions. [2022-03-03 18:26:53,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:26:53,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 4540 transitions. [2022-03-03 18:26:53,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-03 18:26:53,646 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:53,646 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:53,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-03-03 18:26:53,646 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:26:53,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:53,647 INFO L85 PathProgramCache]: Analyzing trace with hash -186815963, now seen corresponding path program 6 times [2022-03-03 18:26:53,647 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:53,647 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186953555] [2022-03-03 18:26:53,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:53,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:26:54,849 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:54,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186953555] [2022-03-03 18:26:54,849 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186953555] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:54,849 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:54,849 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2022-03-03 18:26:54,849 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329274085] [2022-03-03 18:26:54,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:54,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-03-03 18:26:54,850 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:54,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-03-03 18:26:54,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1020, Unknown=0, NotChecked=0, Total=1122 [2022-03-03 18:26:54,850 INFO L87 Difference]: Start difference. First operand 2457 states and 4540 transitions. Second operand has 34 states, 33 states have (on average 7.484848484848484) internal successors, (247), 34 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:00,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:27:00,530 INFO L93 Difference]: Finished difference Result 3614 states and 6656 transitions. [2022-03-03 18:27:00,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-03 18:27:00,531 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 7.484848484848484) internal successors, (247), 34 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2022-03-03 18:27:00,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:27:00,535 INFO L225 Difference]: With dead ends: 3614 [2022-03-03 18:27:00,535 INFO L226 Difference]: Without dead ends: 3585 [2022-03-03 18:27:00,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2652 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1209, Invalid=7721, Unknown=0, NotChecked=0, Total=8930 [2022-03-03 18:27:00,550 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 2741 mSDsluCounter, 4601 mSDsCounter, 0 mSdLazyCounter, 5314 mSolverCounterSat, 598 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2741 SdHoareTripleChecker+Valid, 4860 SdHoareTripleChecker+Invalid, 5912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 598 IncrementalHoareTripleChecker+Valid, 5314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:27:00,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2741 Valid, 4860 Invalid, 5912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [598 Valid, 5314 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-03-03 18:27:00,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3585 states. [2022-03-03 18:27:00,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3585 to 2427. [2022-03-03 18:27:00,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2427 states, 2421 states have (on average 1.8504750103263115) internal successors, (4480), 2426 states have internal predecessors, (4480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:00,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2427 states and 4480 transitions. [2022-03-03 18:27:00,573 INFO L78 Accepts]: Start accepts. Automaton has 2427 states and 4480 transitions. Word has length 247 [2022-03-03 18:27:00,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:27:00,573 INFO L470 AbstractCegarLoop]: Abstraction has 2427 states and 4480 transitions. [2022-03-03 18:27:00,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 7.484848484848484) internal successors, (247), 34 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:00,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 4480 transitions. [2022-03-03 18:27:00,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-03 18:27:00,575 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:27:00,575 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:27:00,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-03-03 18:27:00,575 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:27:00,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:27:00,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1491104281, now seen corresponding path program 7 times [2022-03-03 18:27:00,576 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:27:00,576 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238240817] [2022-03-03 18:27:00,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:27:00,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:27:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:27:01,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:27:01,281 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:27:01,281 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238240817] [2022-03-03 18:27:01,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238240817] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:27:01,281 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:27:01,281 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-03 18:27:01,281 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922459137] [2022-03-03 18:27:01,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:27:01,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-03 18:27:01,281 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:27:01,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-03 18:27:01,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=788, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:27:01,282 INFO L87 Difference]: Start difference. First operand 2427 states and 4480 transitions. Second operand has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:04,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:27:04,849 INFO L93 Difference]: Finished difference Result 3269 states and 6056 transitions. [2022-03-03 18:27:04,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-03 18:27:04,850 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2022-03-03 18:27:04,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:27:04,853 INFO L225 Difference]: With dead ends: 3269 [2022-03-03 18:27:04,853 INFO L226 Difference]: Without dead ends: 3240 [2022-03-03 18:27:04,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2356 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1111, Invalid=6899, Unknown=0, NotChecked=0, Total=8010 [2022-03-03 18:27:04,854 INFO L933 BasicCegarLoop]: 282 mSDtfsCounter, 2336 mSDsluCounter, 4374 mSDsCounter, 0 mSdLazyCounter, 4565 mSolverCounterSat, 497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2336 SdHoareTripleChecker+Valid, 4648 SdHoareTripleChecker+Invalid, 5062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 4565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-03 18:27:04,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2336 Valid, 4648 Invalid, 5062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [497 Valid, 4565 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-03 18:27:04,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2022-03-03 18:27:04,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 2400. [2022-03-03 18:27:04,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2400 states, 2394 states have (on average 1.8492063492063493) internal successors, (4427), 2399 states have internal predecessors, (4427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2400 states and 4427 transitions. [2022-03-03 18:27:04,875 INFO L78 Accepts]: Start accepts. Automaton has 2400 states and 4427 transitions. Word has length 247 [2022-03-03 18:27:04,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:27:04,875 INFO L470 AbstractCegarLoop]: Abstraction has 2400 states and 4427 transitions. [2022-03-03 18:27:04,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:04,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 4427 transitions. [2022-03-03 18:27:04,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-03 18:27:04,877 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:27:04,877 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:27:04,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-03-03 18:27:04,877 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:27:04,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:27:04,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1686637271, now seen corresponding path program 8 times [2022-03-03 18:27:04,879 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:27:04,879 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204394734] [2022-03-03 18:27:04,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:27:04,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:27:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:27:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:27:05,883 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:27:05,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204394734] [2022-03-03 18:27:05,883 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204394734] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:27:05,883 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:27:05,883 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:27:05,883 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280247202] [2022-03-03 18:27:05,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:27:05,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:27:05,883 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:27:05,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:27:05,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:27:05,884 INFO L87 Difference]: Start difference. First operand 2400 states and 4427 transitions. Second operand has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:08,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:27:08,852 INFO L93 Difference]: Finished difference Result 3232 states and 6013 transitions. [2022-03-03 18:27:08,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-03 18:27:08,852 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2022-03-03 18:27:08,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:27:08,855 INFO L225 Difference]: With dead ends: 3232 [2022-03-03 18:27:08,855 INFO L226 Difference]: Without dead ends: 3217 [2022-03-03 18:27:08,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1076 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=556, Invalid=4136, Unknown=0, NotChecked=0, Total=4692 [2022-03-03 18:27:08,856 INFO L933 BasicCegarLoop]: 267 mSDtfsCounter, 1588 mSDsluCounter, 4950 mSDsCounter, 0 mSdLazyCounter, 5403 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 5208 SdHoareTripleChecker+Invalid, 5655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 5403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:27:08,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1588 Valid, 5208 Invalid, 5655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 5403 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-03 18:27:08,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3217 states. [2022-03-03 18:27:08,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3217 to 2512. [2022-03-03 18:27:08,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2512 states, 2506 states have (on average 1.8555466879489226) internal successors, (4650), 2511 states have internal predecessors, (4650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:08,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 4650 transitions. [2022-03-03 18:27:08,877 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 4650 transitions. Word has length 247 [2022-03-03 18:27:08,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:27:08,877 INFO L470 AbstractCegarLoop]: Abstraction has 2512 states and 4650 transitions. [2022-03-03 18:27:08,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:08,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 4650 transitions. [2022-03-03 18:27:08,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-03 18:27:08,879 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:27:08,880 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:27:08,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-03-03 18:27:08,880 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:27:08,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:27:08,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1266014801, now seen corresponding path program 9 times [2022-03-03 18:27:08,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:27:08,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409168418] [2022-03-03 18:27:08,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:27:08,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:27:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:27:09,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:27:09,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:27:09,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409168418] [2022-03-03 18:27:09,684 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409168418] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:27:09,684 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:27:09,684 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:27:09,684 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633523273] [2022-03-03 18:27:09,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:27:09,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:27:09,685 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:27:09,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:27:09,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:27:09,685 INFO L87 Difference]: Start difference. First operand 2512 states and 4650 transitions. Second operand has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:12,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:27:12,429 INFO L93 Difference]: Finished difference Result 3237 states and 6022 transitions. [2022-03-03 18:27:12,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-03 18:27:12,429 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2022-03-03 18:27:12,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:27:12,432 INFO L225 Difference]: With dead ends: 3237 [2022-03-03 18:27:12,432 INFO L226 Difference]: Without dead ends: 3215 [2022-03-03 18:27:12,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1122 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=577, Invalid=4253, Unknown=0, NotChecked=0, Total=4830 [2022-03-03 18:27:12,433 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 2268 mSDsluCounter, 4119 mSDsCounter, 0 mSdLazyCounter, 4636 mSolverCounterSat, 365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2268 SdHoareTripleChecker+Valid, 4381 SdHoareTripleChecker+Invalid, 5001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 4636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-03 18:27:12,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2268 Valid, 4381 Invalid, 5001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [365 Valid, 4636 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-03 18:27:12,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3215 states. [2022-03-03 18:27:12,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3215 to 2492. [2022-03-03 18:27:12,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2492 states, 2486 states have (on average 1.8543845534995977) internal successors, (4610), 2491 states have internal predecessors, (4610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:12,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2492 states and 4610 transitions. [2022-03-03 18:27:12,453 INFO L78 Accepts]: Start accepts. Automaton has 2492 states and 4610 transitions. Word has length 247 [2022-03-03 18:27:12,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:27:12,454 INFO L470 AbstractCegarLoop]: Abstraction has 2492 states and 4610 transitions. [2022-03-03 18:27:12,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 4610 transitions. [2022-03-03 18:27:12,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-03 18:27:12,456 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:27:12,456 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:27:12,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-03-03 18:27:12,456 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:27:12,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:27:12,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1290106321, now seen corresponding path program 10 times [2022-03-03 18:27:12,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:27:12,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288261075] [2022-03-03 18:27:12,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:27:12,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:27:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:27:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:27:13,229 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:27:13,229 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288261075] [2022-03-03 18:27:13,229 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288261075] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:27:13,229 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:27:13,229 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-03-03 18:27:13,229 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377431439] [2022-03-03 18:27:13,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:27:13,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-03 18:27:13,230 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:27:13,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-03 18:27:13,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=960, Unknown=0, NotChecked=0, Total=1056 [2022-03-03 18:27:13,230 INFO L87 Difference]: Start difference. First operand 2492 states and 4610 transitions. Second operand has 33 states, 32 states have (on average 7.71875) internal successors, (247), 33 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:16,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:27:16,872 INFO L93 Difference]: Finished difference Result 3383 states and 6280 transitions. [2022-03-03 18:27:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-03 18:27:16,872 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 7.71875) internal successors, (247), 33 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2022-03-03 18:27:16,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:27:16,876 INFO L225 Difference]: With dead ends: 3383 [2022-03-03 18:27:16,876 INFO L226 Difference]: Without dead ends: 3354 [2022-03-03 18:27:16,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1837 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=763, Invalid=6043, Unknown=0, NotChecked=0, Total=6806 [2022-03-03 18:27:16,877 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1914 mSDsluCounter, 4690 mSDsCounter, 0 mSdLazyCounter, 6106 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1914 SdHoareTripleChecker+Valid, 4975 SdHoareTripleChecker+Invalid, 6527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 6106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:27:16,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1914 Valid, 4975 Invalid, 6527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 6106 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-03-03 18:27:16,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3354 states. [2022-03-03 18:27:16,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3354 to 2292. [2022-03-03 18:27:16,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2292 states, 2286 states have (on average 1.842082239720035) internal successors, (4211), 2291 states have internal predecessors, (4211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:16,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 4211 transitions. [2022-03-03 18:27:16,909 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 4211 transitions. Word has length 247 [2022-03-03 18:27:16,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:27:16,909 INFO L470 AbstractCegarLoop]: Abstraction has 2292 states and 4211 transitions. [2022-03-03 18:27:16,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 7.71875) internal successors, (247), 33 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:16,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 4211 transitions. [2022-03-03 18:27:16,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-03 18:27:16,911 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:27:16,911 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:27:16,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-03-03 18:27:16,911 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:27:16,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:27:16,911 INFO L85 PathProgramCache]: Analyzing trace with hash 917535661, now seen corresponding path program 11 times [2022-03-03 18:27:16,912 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:27:16,912 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972307655] [2022-03-03 18:27:16,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:27:16,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:27:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:27:17,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:27:17,902 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:27:17,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972307655] [2022-03-03 18:27:17,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972307655] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:27:17,902 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:27:17,902 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-03 18:27:17,903 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642669763] [2022-03-03 18:27:17,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:27:17,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-03 18:27:17,903 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:27:17,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-03 18:27:17,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:27:17,903 INFO L87 Difference]: Start difference. First operand 2292 states and 4211 transitions. Second operand has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:20,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:27:20,618 INFO L93 Difference]: Finished difference Result 3166 states and 5874 transitions. [2022-03-03 18:27:20,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-03 18:27:20,619 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2022-03-03 18:27:20,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:27:20,622 INFO L225 Difference]: With dead ends: 3166 [2022-03-03 18:27:20,622 INFO L226 Difference]: Without dead ends: 3151 [2022-03-03 18:27:20,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 935 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=543, Invalid=3617, Unknown=0, NotChecked=0, Total=4160 [2022-03-03 18:27:20,623 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 1978 mSDsluCounter, 4681 mSDsCounter, 0 mSdLazyCounter, 4832 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 4947 SdHoareTripleChecker+Invalid, 5116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 4832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-03 18:27:20,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1978 Valid, 4947 Invalid, 5116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 4832 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-03 18:27:20,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3151 states. [2022-03-03 18:27:20,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3151 to 2332. [2022-03-03 18:27:20,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2332 states, 2326 states have (on average 1.8443680137575236) internal successors, (4290), 2331 states have internal predecessors, (4290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:20,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 2332 states and 4290 transitions. [2022-03-03 18:27:20,646 INFO L78 Accepts]: Start accepts. Automaton has 2332 states and 4290 transitions. Word has length 247 [2022-03-03 18:27:20,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:27:20,646 INFO L470 AbstractCegarLoop]: Abstraction has 2332 states and 4290 transitions. [2022-03-03 18:27:20,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:20,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2332 states and 4290 transitions. [2022-03-03 18:27:20,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-03 18:27:20,648 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:27:20,648 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:27:20,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-03-03 18:27:20,648 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:27:20,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:27:20,649 INFO L85 PathProgramCache]: Analyzing trace with hash 496913191, now seen corresponding path program 12 times [2022-03-03 18:27:20,649 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:27:20,649 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781257379] [2022-03-03 18:27:20,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:27:20,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:27:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:27:21,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:27:21,444 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:27:21,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781257379] [2022-03-03 18:27:21,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781257379] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:27:21,444 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:27:21,444 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-03 18:27:21,444 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25711436] [2022-03-03 18:27:21,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:27:21,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-03 18:27:21,445 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:27:21,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-03 18:27:21,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=788, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:27:21,445 INFO L87 Difference]: Start difference. First operand 2332 states and 4290 transitions. Second operand has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:24,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:27:24,095 INFO L93 Difference]: Finished difference Result 3171 states and 5883 transitions. [2022-03-03 18:27:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-03 18:27:24,095 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2022-03-03 18:27:24,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:27:24,099 INFO L225 Difference]: With dead ends: 3171 [2022-03-03 18:27:24,099 INFO L226 Difference]: Without dead ends: 3149 [2022-03-03 18:27:24,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=560, Invalid=3862, Unknown=0, NotChecked=0, Total=4422 [2022-03-03 18:27:24,099 INFO L933 BasicCegarLoop]: 281 mSDtfsCounter, 1623 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 4308 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 4839 SdHoareTripleChecker+Invalid, 4599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 4308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-03 18:27:24,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1623 Valid, 4839 Invalid, 4599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 4308 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-03 18:27:24,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2022-03-03 18:27:24,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 2312. [2022-03-03 18:27:24,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 2306 states have (on average 1.8430182133564614) internal successors, (4250), 2311 states have internal predecessors, (4250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 4250 transitions. [2022-03-03 18:27:24,119 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 4250 transitions. Word has length 247 [2022-03-03 18:27:24,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:27:24,119 INFO L470 AbstractCegarLoop]: Abstraction has 2312 states and 4250 transitions. [2022-03-03 18:27:24,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.517241379310345) internal successors, (247), 30 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:24,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 4250 transitions. [2022-03-03 18:27:24,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-03-03 18:27:24,121 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:27:24,121 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:27:24,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-03-03 18:27:24,121 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:27:24,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:27:24,122 INFO L85 PathProgramCache]: Analyzing trace with hash 521004711, now seen corresponding path program 13 times [2022-03-03 18:27:24,122 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:27:24,122 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002042209] [2022-03-03 18:27:24,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:27:24,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:27:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:27:24,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:27:24,891 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:27:24,891 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002042209] [2022-03-03 18:27:24,891 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002042209] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:27:24,891 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:27:24,891 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-03-03 18:27:24,891 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088055728] [2022-03-03 18:27:24,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:27:24,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-03 18:27:24,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:27:24,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-03 18:27:24,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2022-03-03 18:27:24,892 INFO L87 Difference]: Start difference. First operand 2312 states and 4250 transitions. Second operand has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:28,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:27:28,663 INFO L93 Difference]: Finished difference Result 3254 states and 6028 transitions. [2022-03-03 18:27:28,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-03 18:27:28,664 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 247 [2022-03-03 18:27:28,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:27:28,668 INFO L225 Difference]: With dead ends: 3254 [2022-03-03 18:27:28,668 INFO L226 Difference]: Without dead ends: 3222 [2022-03-03 18:27:28,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1588 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=858, Invalid=5622, Unknown=0, NotChecked=0, Total=6480 [2022-03-03 18:27:28,668 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 2459 mSDsluCounter, 4864 mSDsCounter, 0 mSdLazyCounter, 5736 mSolverCounterSat, 479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2459 SdHoareTripleChecker+Valid, 5175 SdHoareTripleChecker+Invalid, 6215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 479 IncrementalHoareTripleChecker+Valid, 5736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:27:28,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2459 Valid, 5175 Invalid, 6215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [479 Valid, 5736 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-03-03 18:27:28,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3222 states. [2022-03-03 18:27:28,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3222 to 2125. [2022-03-03 18:27:28,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 2120 states have (on average 1.8349056603773586) internal successors, (3890), 2124 states have internal predecessors, (3890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:28,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 3890 transitions. [2022-03-03 18:27:28,689 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 3890 transitions. Word has length 247 [2022-03-03 18:27:28,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:27:28,689 INFO L470 AbstractCegarLoop]: Abstraction has 2125 states and 3890 transitions. [2022-03-03 18:27:28,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 8.233333333333333) internal successors, (247), 31 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:28,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 3890 transitions. [2022-03-03 18:27:28,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-03-03 18:27:28,691 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:27:28,691 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:27:28,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-03-03 18:27:28,691 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-03-03 18:27:28,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:27:28,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1157305880, now seen corresponding path program 1 times [2022-03-03 18:27:28,692 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:27:28,692 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247082246] [2022-03-03 18:27:28,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:27:28,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:27:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:27:28,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:27:28,780 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:27:28,781 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247082246] [2022-03-03 18:27:28,781 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247082246] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:27:28,781 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:27:28,781 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 18:27:28,781 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041850579] [2022-03-03 18:27:28,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:27:28,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:27:28,781 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:27:28,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:27:28,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:27:28,781 INFO L87 Difference]: Start difference. First operand 2125 states and 3890 transitions. Second operand has 6 states, 6 states have (on average 42.333333333333336) internal successors, (254), 6 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:28,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:27:28,815 INFO L93 Difference]: Finished difference Result 1465 states and 2615 transitions. [2022-03-03 18:27:28,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-03 18:27:28,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 42.333333333333336) internal successors, (254), 6 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 254 [2022-03-03 18:27:28,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:27:28,816 INFO L225 Difference]: With dead ends: 1465 [2022-03-03 18:27:28,816 INFO L226 Difference]: Without dead ends: 0 [2022-03-03 18:27:28,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-03 18:27:28,816 INFO L933 BasicCegarLoop]: 297 mSDtfsCounter, 391 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:27:28,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 728 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:27:28,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-03 18:27:28,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-03 18:27:28,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:28,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-03 18:27:28,816 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 254 [2022-03-03 18:27:28,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:27:28,816 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-03 18:27:28,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.333333333333336) internal successors, (254), 6 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:27:28,817 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-03 18:27:28,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-03 18:27:28,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2022-03-03 18:27:28,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2022-03-03 18:27:28,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2022-03-03 18:27:28,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2022-03-03 18:27:28,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2022-03-03 18:27:28,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2022-03-03 18:27:28,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2022-03-03 18:27:28,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2022-03-03 18:27:28,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2022-03-03 18:27:28,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2022-03-03 18:27:28,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining) [2022-03-03 18:27:28,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2022-03-03 18:27:28,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2022-03-03 18:27:28,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2022-03-03 18:27:28,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2022-03-03 18:27:28,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2022-03-03 18:27:28,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2022-03-03 18:27:28,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (21 of 39 remaining) [2022-03-03 18:27:28,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (20 of 39 remaining) [2022-03-03 18:27:28,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (19 of 39 remaining) [2022-03-03 18:27:28,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (18 of 39 remaining) [2022-03-03 18:27:28,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2022-03-03 18:27:28,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (16 of 39 remaining) [2022-03-03 18:27:28,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 39 remaining) [2022-03-03 18:27:28,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 39 remaining) [2022-03-03 18:27:28,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2022-03-03 18:27:28,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2022-03-03 18:27:28,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2022-03-03 18:27:28,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2022-03-03 18:27:28,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2022-03-03 18:27:28,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2022-03-03 18:27:28,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2022-03-03 18:27:28,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2022-03-03 18:27:28,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2022-03-03 18:27:28,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2022-03-03 18:27:28,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2022-03-03 18:27:28,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2022-03-03 18:27:28,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2022-03-03 18:27:28,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining) [2022-03-03 18:27:28,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-03-03 18:27:28,823 INFO L732 BasicCegarLoop]: Path program histogram: [35, 13, 10, 8, 7, 6, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:27:28,826 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 18:27:28,826 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 18:27:28,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 06:27:28 BasicIcfg [2022-03-03 18:27:28,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 18:27:28,827 INFO L158 Benchmark]: Toolchain (without parser) took 316531.94ms. Allocated memory was 222.3MB in the beginning and 683.7MB in the end (delta: 461.4MB). Free memory was 167.4MB in the beginning and 374.5MB in the end (delta: -207.2MB). Peak memory consumption was 255.3MB. Max. memory is 8.0GB. [2022-03-03 18:27:28,827 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 222.3MB. Free memory is still 186.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:27:28,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.81ms. Allocated memory is still 222.3MB. Free memory was 167.2MB in the beginning and 168.7MB in the end (delta: -1.5MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. [2022-03-03 18:27:28,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.60ms. Allocated memory is still 222.3MB. Free memory was 168.7MB in the beginning and 164.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-03-03 18:27:28,827 INFO L158 Benchmark]: Boogie Preprocessor took 44.77ms. Allocated memory is still 222.3MB. Free memory was 164.5MB in the beginning and 161.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-03 18:27:28,827 INFO L158 Benchmark]: RCFGBuilder took 651.41ms. Allocated memory is still 222.3MB. Free memory was 161.3MB in the beginning and 133.5MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-03-03 18:27:28,828 INFO L158 Benchmark]: TraceAbstraction took 315192.38ms. Allocated memory was 222.3MB in the beginning and 683.7MB in the end (delta: 461.4MB). Free memory was 133.0MB in the beginning and 374.5MB in the end (delta: -241.5MB). Peak memory consumption was 220.9MB. Max. memory is 8.0GB. [2022-03-03 18:27:28,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 222.3MB. Free memory is still 186.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 575.81ms. Allocated memory is still 222.3MB. Free memory was 167.2MB in the beginning and 168.7MB in the end (delta: -1.5MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.60ms. Allocated memory is still 222.3MB. Free memory was 168.7MB in the beginning and 164.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.77ms. Allocated memory is still 222.3MB. Free memory was 164.5MB in the beginning and 161.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 651.41ms. Allocated memory is still 222.3MB. Free memory was 161.3MB in the beginning and 133.5MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 315192.38ms. Allocated memory was 222.3MB in the beginning and 683.7MB in the end (delta: 461.4MB). Free memory was 133.0MB in the beginning and 374.5MB in the end (delta: -241.5MB). Peak memory consumption was 220.9MB. 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 - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1246]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1247]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1248]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1248]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1249]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1250]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1253]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1253]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1256]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1256]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1257]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1260]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1260]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1261]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1238]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1238]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1238]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1238]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 385 locations, 39 error locations. Started 1 CEGAR loops. OverallTime: 315.0s, OverallIterations: 107, TraceHistogramMax: 1, PathProgramHistogramMax: 35, EmptinessCheckTime: 0.2s, AutomataDifference: 235.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 137881 SdHoareTripleChecker+Valid, 147.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137881 mSDsluCounter, 405619 SdHoareTripleChecker+Invalid, 123.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 375467 mSDsCounter, 23443 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 368289 IncrementalHoareTripleChecker+Invalid, 391732 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23443 mSolverCounterUnsat, 30963 mSDtfsCounter, 368289 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7005 GetRequests, 1010 SyntacticMatches, 13 SemanticMatches, 5982 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100237 ImplicationChecksByTransitivity, 114.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4311occurred in iteration=12, InterpolantAutomatonStates: 4228, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 107 MinimizatonAttempts, 49497 StatesRemovedByMinimization, 96 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 69.0s InterpolantComputationTime, 23909 NumberOfCodeBlocks, 23909 NumberOfCodeBlocksAsserted, 107 NumberOfCheckSat, 23802 ConstructedInterpolants, 0 QuantifiedInterpolants, 539505 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 107 InterpolantComputations, 107 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 - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-03 18:27:28,857 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...