/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/04-mutex_10-ptrmunge_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 18:20:39,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 18:20:39,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 18:20:39,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-03 18:20:39,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-03 18:20:39,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-03 18:20:39,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-03 18:20:39,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-03 18:20:39,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-03 18:20:39,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-03 18:20:39,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-03 18:20:39,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-03 18:20:39,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 18:20:39,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 18:20:39,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 18:20:39,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 18:20:39,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 18:20:39,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 18:20:39,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 18:20:39,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 18:20:39,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 18:20:39,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 18:20:39,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 18:20:39,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 18:20:39,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-03 18:20:39,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-03 18:20:39,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-03 18:20:39,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-03 18:20:39,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-03 18:20:39,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-03 18:20:39,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-03 18:20:39,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-03 18:20:39,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-03 18:20:39,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-03 18:20:39,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-03 18:20:39,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-03 18:20:39,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-03 18:20:39,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-03 18:20:39,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 18:20:39,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 18:20:39,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 18:20:39,351 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 18:20:39,377 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 18:20:39,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 18:20:39,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 18:20:39,378 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 18:20:39,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 18:20:39,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 18:20:39,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 18:20:39,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 18:20:39,379 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 18:20:39,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 18:20:39,380 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 18:20:39,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 18:20:39,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 18:20:39,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 18:20:39,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 18:20:39,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 18:20:39,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 18:20:39,380 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 18:20:39,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 18:20:39,381 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 18:20:39,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 18:20:39,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 18:20:39,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 18:20:39,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 18:20:39,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 18:20:39,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:20:39,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 18:20:39,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 18:20:39,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 18:20:39,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 18:20:39,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 18:20:39,382 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 18:20:39,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 18:20:39,383 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-03 18:20:39,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 18:20:39,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 18:20:39,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 18:20:39,588 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 18:20:39,588 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 18:20:39,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_10-ptrmunge_nr.i [2022-03-03 18:20:39,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2da51a6/85df1355fecc45b0aa69b48e636f27cb/FLAGfda8784f1 [2022-03-03 18:20:40,034 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 18:20:40,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_10-ptrmunge_nr.i [2022-03-03 18:20:40,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2da51a6/85df1355fecc45b0aa69b48e636f27cb/FLAGfda8784f1 [2022-03-03 18:20:40,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2da51a6/85df1355fecc45b0aa69b48e636f27cb [2022-03-03 18:20:40,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 18:20:40,069 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 18:20:40,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 18:20:40,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 18:20:40,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 18:20:40,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:20:40" (1/1) ... [2022-03-03 18:20:40,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5960b9a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:40, skipping insertion in model container [2022-03-03 18:20:40,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:20:40" (1/1) ... [2022-03-03 18:20:40,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 18:20:40,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 18:20:40,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:20:40,497 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 18:20:40,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:20:40,560 INFO L208 MainTranslator]: Completed translation [2022-03-03 18:20:40,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:40 WrapperNode [2022-03-03 18:20:40,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 18:20:40,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 18:20:40,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 18:20:40,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 18:20:40,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:40" (1/1) ... [2022-03-03 18:20:40,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:40" (1/1) ... [2022-03-03 18:20:40,616 INFO L137 Inliner]: procedures = 263, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-03-03 18:20:40,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 18:20:40,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 18:20:40,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 18:20:40,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 18:20:40,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:40" (1/1) ... [2022-03-03 18:20:40,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:40" (1/1) ... [2022-03-03 18:20:40,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:40" (1/1) ... [2022-03-03 18:20:40,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:40" (1/1) ... [2022-03-03 18:20:40,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:40" (1/1) ... [2022-03-03 18:20:40,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:40" (1/1) ... [2022-03-03 18:20:40,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:40" (1/1) ... [2022-03-03 18:20:40,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 18:20:40,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 18:20:40,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 18:20:40,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 18:20:40,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:40" (1/1) ... [2022-03-03 18:20:40,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:20:40,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:20:40,668 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 18:20:40,692 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 18:20:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 18:20:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 18:20:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-03 18:20:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 18:20:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-03 18:20:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 18:20:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-03 18:20:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-03 18:20:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 18:20:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 18:20:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 18:20:40,706 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 18:20:40,780 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 18:20:40,781 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 18:20:40,982 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 18:20:40,987 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 18:20:40,987 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-03 18:20:40,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:20:40 BoogieIcfgContainer [2022-03-03 18:20:40,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 18:20:40,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 18:20:40,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 18:20:40,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 18:20:40,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:20:40" (1/3) ... [2022-03-03 18:20:40,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c72f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:20:40, skipping insertion in model container [2022-03-03 18:20:40,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:40" (2/3) ... [2022-03-03 18:20:40,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c72f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:20:40, skipping insertion in model container [2022-03-03 18:20:40,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:20:40" (3/3) ... [2022-03-03 18:20:40,998 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_10-ptrmunge_nr.i [2022-03-03 18:20:41,009 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 18:20:41,010 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 18:20:41,010 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-03-03 18:20:41,010 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 18:20:41,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:41,100 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-03 18:20:41,150 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 18:20:41,156 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 18:20:41,157 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-03-03 18:20:41,171 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 110 places, 106 transitions, 220 flow [2022-03-03 18:20:41,253 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1106 states, 1095 states have (on average 1.9296803652968038) internal successors, (2113), 1105 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:41,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 1106 states, 1095 states have (on average 1.9296803652968038) internal successors, (2113), 1105 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:41,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-03-03 18:20:41,267 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:41,268 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:41,268 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:41,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:41,272 INFO L85 PathProgramCache]: Analyzing trace with hash -161846166, now seen corresponding path program 1 times [2022-03-03 18:20:41,279 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:41,279 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323210025] [2022-03-03 18:20:41,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:41,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:41,616 INFO 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 18:20:41,616 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:41,617 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323210025] [2022-03-03 18:20:41,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323210025] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:41,617 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:41,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:20:41,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800117933] [2022-03-03 18:20:41,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:41,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:20:41,625 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:41,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:20:41,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:20:41,647 INFO L87 Difference]: Start difference. First operand has 1106 states, 1095 states have (on average 1.9296803652968038) internal successors, (2113), 1105 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:41,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:41,910 INFO L93 Difference]: Finished difference Result 1206 states and 2306 transitions. [2022-03-03 18:20:41,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:20:41,913 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-03-03 18:20:41,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:41,926 INFO L225 Difference]: With dead ends: 1206 [2022-03-03 18:20:41,926 INFO L226 Difference]: Without dead ends: 1206 [2022-03-03 18:20:41,927 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 18:20:41,930 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 98 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:41,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 350 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:20:41,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2022-03-03 18:20:41,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1155. [2022-03-03 18:20:41,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 1145 states have (on average 1.9275109170305678) internal successors, (2207), 1154 states have internal predecessors, (2207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:41,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 2207 transitions. [2022-03-03 18:20:41,994 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 2207 transitions. Word has length 47 [2022-03-03 18:20:41,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:41,995 INFO L470 AbstractCegarLoop]: Abstraction has 1155 states and 2207 transitions. [2022-03-03 18:20:41,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:41,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2207 transitions. [2022-03-03 18:20:41,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-03-03 18:20:42,000 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:42,000 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:42,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 18:20:42,001 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:42,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:42,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1010088859, now seen corresponding path program 1 times [2022-03-03 18:20:42,001 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:42,001 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831220082] [2022-03-03 18:20:42,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:42,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:42,104 INFO 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 18:20:42,104 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:42,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831220082] [2022-03-03 18:20:42,105 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831220082] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:42,105 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:42,105 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:20:42,105 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324930149] [2022-03-03 18:20:42,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:42,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:20:42,106 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:42,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:20:42,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:20:42,107 INFO L87 Difference]: Start difference. First operand 1155 states and 2207 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:42,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:42,236 INFO L93 Difference]: Finished difference Result 1222 states and 2334 transitions. [2022-03-03 18:20:42,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:20:42,237 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-03-03 18:20:42,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:42,241 INFO L225 Difference]: With dead ends: 1222 [2022-03-03 18:20:42,241 INFO L226 Difference]: Without dead ends: 1222 [2022-03-03 18:20:42,242 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 18:20:42,242 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 89 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:42,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 333 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 18:20:42,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2022-03-03 18:20:42,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1186. [2022-03-03 18:20:42,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 1176 states have (on average 1.9260204081632653) internal successors, (2265), 1185 states have internal predecessors, (2265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:42,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 2265 transitions. [2022-03-03 18:20:42,264 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 2265 transitions. Word has length 48 [2022-03-03 18:20:42,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:42,264 INFO L470 AbstractCegarLoop]: Abstraction has 1186 states and 2265 transitions. [2022-03-03 18:20:42,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:42,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 2265 transitions. [2022-03-03 18:20:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-03-03 18:20:42,266 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:42,267 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:42,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 18:20:42,267 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:42,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:42,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1644406941, now seen corresponding path program 1 times [2022-03-03 18:20:42,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:42,268 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358083796] [2022-03-03 18:20:42,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:42,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:42,392 INFO 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 18:20:42,393 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:42,393 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358083796] [2022-03-03 18:20:42,393 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358083796] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:42,393 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:42,393 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:20:42,393 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590080016] [2022-03-03 18:20:42,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:42,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:20:42,394 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:42,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:20:42,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:20:42,394 INFO L87 Difference]: Start difference. First operand 1186 states and 2265 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:42,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:42,574 INFO L93 Difference]: Finished difference Result 1328 states and 2542 transitions. [2022-03-03 18:20:42,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:20:42,575 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-03-03 18:20:42,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:42,580 INFO L225 Difference]: With dead ends: 1328 [2022-03-03 18:20:42,581 INFO L226 Difference]: Without dead ends: 1307 [2022-03-03 18:20:42,581 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 18:20:42,582 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 94 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:42,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 382 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:20:42,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2022-03-03 18:20:42,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 1253. [2022-03-03 18:20:42,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 1243 states have (on average 1.925985518905873) internal successors, (2394), 1252 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:42,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 2394 transitions. [2022-03-03 18:20:42,607 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 2394 transitions. Word has length 54 [2022-03-03 18:20:42,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:42,608 INFO L470 AbstractCegarLoop]: Abstraction has 1253 states and 2394 transitions. [2022-03-03 18:20:42,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:42,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 2394 transitions. [2022-03-03 18:20:42,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-03-03 18:20:42,609 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:42,632 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:42,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 18:20:42,632 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:42,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:42,633 INFO L85 PathProgramCache]: Analyzing trace with hash -82871010, now seen corresponding path program 1 times [2022-03-03 18:20:42,633 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:42,633 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31628146] [2022-03-03 18:20:42,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:42,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:42,704 INFO 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 18:20:42,704 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:42,704 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31628146] [2022-03-03 18:20:42,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31628146] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:42,704 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:42,704 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:20:42,705 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748850403] [2022-03-03 18:20:42,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:42,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:20:42,705 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:42,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:20:42,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:20:42,706 INFO L87 Difference]: Start difference. First operand 1253 states and 2394 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:42,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:42,881 INFO L93 Difference]: Finished difference Result 1373 states and 2628 transitions. [2022-03-03 18:20:42,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:20:42,882 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-03-03 18:20:42,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:42,887 INFO L225 Difference]: With dead ends: 1373 [2022-03-03 18:20:42,887 INFO L226 Difference]: Without dead ends: 1373 [2022-03-03 18:20:42,887 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 18:20:42,888 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 88 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:42,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 407 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:20:42,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2022-03-03 18:20:42,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1321. [2022-03-03 18:20:42,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1321 states, 1311 states have (on average 1.9267734553775744) internal successors, (2526), 1320 states have internal predecessors, (2526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 2526 transitions. [2022-03-03 18:20:42,911 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 2526 transitions. Word has length 55 [2022-03-03 18:20:42,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:42,911 INFO L470 AbstractCegarLoop]: Abstraction has 1321 states and 2526 transitions. [2022-03-03 18:20:42,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:42,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 2526 transitions. [2022-03-03 18:20:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:42,913 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:42,913 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] [2022-03-03 18:20:42,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-03 18:20:42,913 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:42,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:42,914 INFO L85 PathProgramCache]: Analyzing trace with hash 996914518, now seen corresponding path program 1 times [2022-03-03 18:20:42,914 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:42,914 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071605932] [2022-03-03 18:20:42,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:42,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:43,114 INFO 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 18:20:43,114 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:43,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071605932] [2022-03-03 18:20:43,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071605932] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:43,115 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:43,115 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:43,115 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475345262] [2022-03-03 18:20:43,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:43,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:43,115 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:43,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:43,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:43,116 INFO L87 Difference]: Start difference. First operand 1321 states and 2526 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:43,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:43,639 INFO L93 Difference]: Finished difference Result 2507 states and 4821 transitions. [2022-03-03 18:20:43,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:43,639 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:43,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:43,647 INFO L225 Difference]: With dead ends: 2507 [2022-03-03 18:20:43,648 INFO L226 Difference]: Without dead ends: 2507 [2022-03-03 18:20:43,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:43,649 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 522 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:43,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [522 Valid, 857 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:20:43,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2022-03-03 18:20:43,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 1628. [2022-03-03 18:20:43,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1628 states, 1618 states have (on average 1.9468479604449938) internal successors, (3150), 1627 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:43,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1628 states and 3150 transitions. [2022-03-03 18:20:43,701 INFO L78 Accepts]: Start accepts. Automaton has 1628 states and 3150 transitions. Word has length 65 [2022-03-03 18:20:43,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:43,702 INFO L470 AbstractCegarLoop]: Abstraction has 1628 states and 3150 transitions. [2022-03-03 18:20:43,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:43,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 3150 transitions. [2022-03-03 18:20:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:43,704 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:43,704 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:43,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-03 18:20:43,704 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:43,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:43,704 INFO L85 PathProgramCache]: Analyzing trace with hash -472989647, now seen corresponding path program 1 times [2022-03-03 18:20:43,705 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:43,705 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326953367] [2022-03-03 18:20:43,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:43,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:43,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:43,841 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:43,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326953367] [2022-03-03 18:20:43,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326953367] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:43,842 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:43,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:43,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392990576] [2022-03-03 18:20:43,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:43,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:43,842 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:43,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:43,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:43,843 INFO L87 Difference]: Start difference. First operand 1628 states and 3150 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:44,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:44,519 INFO L93 Difference]: Finished difference Result 2393 states and 4595 transitions. [2022-03-03 18:20:44,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-03 18:20:44,520 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:44,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:44,526 INFO L225 Difference]: With dead ends: 2393 [2022-03-03 18:20:44,526 INFO L226 Difference]: Without dead ends: 2393 [2022-03-03 18:20:44,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=335, Invalid=787, Unknown=0, NotChecked=0, Total=1122 [2022-03-03 18:20:44,528 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 545 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:44,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [545 Valid, 1052 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:20:44,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2022-03-03 18:20:44,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 1645. [2022-03-03 18:20:44,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1645 states, 1635 states have (on average 1.944954128440367) internal successors, (3180), 1644 states have internal predecessors, (3180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:44,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 3180 transitions. [2022-03-03 18:20:44,559 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 3180 transitions. Word has length 65 [2022-03-03 18:20:44,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:44,560 INFO L470 AbstractCegarLoop]: Abstraction has 1645 states and 3180 transitions. [2022-03-03 18:20:44,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:44,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 3180 transitions. [2022-03-03 18:20:44,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:44,561 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:44,561 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:44,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-03 18:20:44,561 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:44,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:44,562 INFO L85 PathProgramCache]: Analyzing trace with hash 359581043, now seen corresponding path program 1 times [2022-03-03 18:20:44,562 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:44,562 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511220373] [2022-03-03 18:20:44,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:44,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:44,806 INFO 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 18:20:44,807 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:44,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511220373] [2022-03-03 18:20:44,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511220373] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:44,807 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:44,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:44,807 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018172851] [2022-03-03 18:20:44,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:44,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:44,808 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:44,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:44,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:44,808 INFO L87 Difference]: Start difference. First operand 1645 states and 3180 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:45,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:45,377 INFO L93 Difference]: Finished difference Result 2468 states and 4744 transitions. [2022-03-03 18:20:45,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:45,378 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:45,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:45,387 INFO L225 Difference]: With dead ends: 2468 [2022-03-03 18:20:45,387 INFO L226 Difference]: Without dead ends: 2464 [2022-03-03 18:20:45,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:45,388 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 520 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:45,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [520 Valid, 990 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:20:45,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2022-03-03 18:20:45,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 1703. [2022-03-03 18:20:45,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1703 states, 1693 states have (on average 1.9468399291199054) internal successors, (3296), 1702 states have internal predecessors, (3296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:45,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 3296 transitions. [2022-03-03 18:20:45,423 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 3296 transitions. Word has length 65 [2022-03-03 18:20:45,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:45,423 INFO L470 AbstractCegarLoop]: Abstraction has 1703 states and 3296 transitions. [2022-03-03 18:20:45,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:45,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 3296 transitions. [2022-03-03 18:20:45,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:45,425 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:45,425 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] [2022-03-03 18:20:45,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-03 18:20:45,426 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:45,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:45,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1352216553, now seen corresponding path program 1 times [2022-03-03 18:20:45,426 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:45,426 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763091487] [2022-03-03 18:20:45,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:45,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:45,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:45,577 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:45,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763091487] [2022-03-03 18:20:45,578 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763091487] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:45,578 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:45,578 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:45,578 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151438471] [2022-03-03 18:20:45,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:45,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:45,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:45,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:45,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:45,579 INFO L87 Difference]: Start difference. First operand 1703 states and 3296 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:46,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:46,099 INFO L93 Difference]: Finished difference Result 2370 states and 4555 transitions. [2022-03-03 18:20:46,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:20:46,099 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:46,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:46,106 INFO L225 Difference]: With dead ends: 2370 [2022-03-03 18:20:46,106 INFO L226 Difference]: Without dead ends: 2370 [2022-03-03 18:20:46,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:20:46,107 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 492 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:46,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [492 Valid, 889 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:20:46,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2370 states. [2022-03-03 18:20:46,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2370 to 1693. [2022-03-03 18:20:46,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1693 states, 1683 states have (on average 1.9453357100415924) internal successors, (3274), 1692 states have internal predecessors, (3274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:46,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 3274 transitions. [2022-03-03 18:20:46,147 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 3274 transitions. Word has length 65 [2022-03-03 18:20:46,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:46,148 INFO L470 AbstractCegarLoop]: Abstraction has 1693 states and 3274 transitions. [2022-03-03 18:20:46,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:46,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 3274 transitions. [2022-03-03 18:20:46,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:46,150 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:46,150 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:46,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-03 18:20:46,151 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:46,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:46,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1064005312, now seen corresponding path program 2 times [2022-03-03 18:20:46,151 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:46,151 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041709783] [2022-03-03 18:20:46,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:46,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:46,305 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 18:20:46,305 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:46,305 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041709783] [2022-03-03 18:20:46,306 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041709783] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:46,306 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:46,306 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:46,306 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432030837] [2022-03-03 18:20:46,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:46,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:46,306 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:46,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:46,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:46,307 INFO L87 Difference]: Start difference. First operand 1693 states and 3274 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:46,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:46,773 INFO L93 Difference]: Finished difference Result 2604 states and 5025 transitions. [2022-03-03 18:20:46,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:46,774 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:46,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:46,782 INFO L225 Difference]: With dead ends: 2604 [2022-03-03 18:20:46,782 INFO L226 Difference]: Without dead ends: 2604 [2022-03-03 18:20:46,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:46,784 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 483 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:46,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [483 Valid, 797 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:20:46,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2604 states. [2022-03-03 18:20:46,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2604 to 1696. [2022-03-03 18:20:46,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1686 states have (on average 1.9454329774614472) internal successors, (3280), 1695 states have internal predecessors, (3280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 3280 transitions. [2022-03-03 18:20:46,822 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 3280 transitions. Word has length 65 [2022-03-03 18:20:46,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:46,822 INFO L470 AbstractCegarLoop]: Abstraction has 1696 states and 3280 transitions. [2022-03-03 18:20:46,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:46,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 3280 transitions. [2022-03-03 18:20:46,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:46,828 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:46,828 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:46,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-03 18:20:46,828 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:46,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:46,828 INFO L85 PathProgramCache]: Analyzing trace with hash -355575452, now seen corresponding path program 3 times [2022-03-03 18:20:46,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:46,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166465652] [2022-03-03 18:20:46,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:46,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:46,994 INFO 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 18:20:46,994 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:46,994 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166465652] [2022-03-03 18:20:46,994 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166465652] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:46,995 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:46,995 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:46,995 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203073254] [2022-03-03 18:20:46,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:46,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:46,995 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:46,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:46,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:46,996 INFO L87 Difference]: Start difference. First operand 1696 states and 3280 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:47,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:47,506 INFO L93 Difference]: Finished difference Result 2562 states and 4941 transitions. [2022-03-03 18:20:47,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:47,507 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:47,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:47,514 INFO L225 Difference]: With dead ends: 2562 [2022-03-03 18:20:47,514 INFO L226 Difference]: Without dead ends: 2562 [2022-03-03 18:20:47,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:47,515 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 494 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:47,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [494 Valid, 890 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:20:47,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2562 states. [2022-03-03 18:20:47,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2562 to 1699. [2022-03-03 18:20:47,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1699 states, 1689 states have (on average 1.945529899348727) internal successors, (3286), 1698 states have internal predecessors, (3286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:47,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 3286 transitions. [2022-03-03 18:20:47,544 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 3286 transitions. Word has length 65 [2022-03-03 18:20:47,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:47,544 INFO L470 AbstractCegarLoop]: Abstraction has 1699 states and 3286 transitions. [2022-03-03 18:20:47,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:47,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 3286 transitions. [2022-03-03 18:20:47,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:47,546 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:47,546 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:20:47,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-03 18:20:47,546 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:47,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:47,546 INFO L85 PathProgramCache]: Analyzing trace with hash 315390942, now seen corresponding path program 4 times [2022-03-03 18:20:47,547 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:47,547 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206474384] [2022-03-03 18:20:47,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:47,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:47,681 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:47,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206474384] [2022-03-03 18:20:47,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206474384] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:47,681 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:47,681 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:47,681 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028924195] [2022-03-03 18:20:47,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:47,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:47,682 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:47,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:47,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:47,683 INFO L87 Difference]: Start difference. First operand 1699 states and 3286 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:48,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:48,233 INFO L93 Difference]: Finished difference Result 2482 states and 4781 transitions. [2022-03-03 18:20:48,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:48,234 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:48,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:48,239 INFO L225 Difference]: With dead ends: 2482 [2022-03-03 18:20:48,240 INFO L226 Difference]: Without dead ends: 2482 [2022-03-03 18:20:48,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:48,241 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 482 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:48,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [482 Valid, 841 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:20:48,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2482 states. [2022-03-03 18:20:48,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2482 to 1705. [2022-03-03 18:20:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1705 states, 1695 states have (on average 1.9457227138643067) internal successors, (3298), 1704 states have internal predecessors, (3298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:48,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 3298 transitions. [2022-03-03 18:20:48,269 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 3298 transitions. Word has length 65 [2022-03-03 18:20:48,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:48,269 INFO L470 AbstractCegarLoop]: Abstraction has 1705 states and 3298 transitions. [2022-03-03 18:20:48,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:48,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 3298 transitions. [2022-03-03 18:20:48,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:48,271 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:48,271 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:48,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-03 18:20:48,272 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:48,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:48,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1435217421, now seen corresponding path program 2 times [2022-03-03 18:20:48,272 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:48,272 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892323844] [2022-03-03 18:20:48,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:48,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:48,436 INFO 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 18:20:48,436 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:48,437 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892323844] [2022-03-03 18:20:48,437 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892323844] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:48,437 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:48,437 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:48,437 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417341838] [2022-03-03 18:20:48,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:48,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:48,437 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:48,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:48,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:48,438 INFO L87 Difference]: Start difference. First operand 1705 states and 3298 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:48,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:48,989 INFO L93 Difference]: Finished difference Result 2549 states and 4904 transitions. [2022-03-03 18:20:48,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:20:48,989 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:48,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:48,994 INFO L225 Difference]: With dead ends: 2549 [2022-03-03 18:20:48,995 INFO L226 Difference]: Without dead ends: 2548 [2022-03-03 18:20:48,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2022-03-03 18:20:48,995 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 477 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:48,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [477 Valid, 1051 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:20:48,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2548 states. [2022-03-03 18:20:49,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2548 to 1717. [2022-03-03 18:20:49,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1717 states, 1707 states have (on average 1.9461042765084944) internal successors, (3322), 1716 states have internal predecessors, (3322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 3322 transitions. [2022-03-03 18:20:49,035 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 3322 transitions. Word has length 65 [2022-03-03 18:20:49,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:49,036 INFO L470 AbstractCegarLoop]: Abstraction has 1717 states and 3322 transitions. [2022-03-03 18:20:49,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:49,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 3322 transitions. [2022-03-03 18:20:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:49,039 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:49,039 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:49,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-03 18:20:49,040 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:49,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:49,040 INFO L85 PathProgramCache]: Analyzing trace with hash -690304821, now seen corresponding path program 3 times [2022-03-03 18:20:49,040 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:49,040 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357739170] [2022-03-03 18:20:49,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:49,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:49,224 INFO 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 18:20:49,224 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:49,224 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357739170] [2022-03-03 18:20:49,224 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357739170] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:49,224 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:49,225 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:49,225 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279724073] [2022-03-03 18:20:49,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:49,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:49,225 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:49,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:49,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:49,226 INFO L87 Difference]: Start difference. First operand 1717 states and 3322 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:49,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:49,880 INFO L93 Difference]: Finished difference Result 2602 states and 5008 transitions. [2022-03-03 18:20:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:49,880 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:49,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:49,885 INFO L225 Difference]: With dead ends: 2602 [2022-03-03 18:20:49,885 INFO L226 Difference]: Without dead ends: 2600 [2022-03-03 18:20:49,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:49,886 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 495 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:49,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [495 Valid, 1066 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:20:49,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2600 states. [2022-03-03 18:20:49,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2600 to 1717. [2022-03-03 18:20:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1717 states, 1707 states have (on average 1.9461042765084944) internal successors, (3322), 1716 states have internal predecessors, (3322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 3322 transitions. [2022-03-03 18:20:49,916 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 3322 transitions. Word has length 65 [2022-03-03 18:20:49,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:49,917 INFO L470 AbstractCegarLoop]: Abstraction has 1717 states and 3322 transitions. [2022-03-03 18:20:49,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 3322 transitions. [2022-03-03 18:20:49,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:49,918 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:49,919 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] [2022-03-03 18:20:49,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-03 18:20:49,919 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:49,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:49,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1354707563, now seen corresponding path program 4 times [2022-03-03 18:20:49,919 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:49,919 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651788335] [2022-03-03 18:20:49,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:49,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:50,073 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 18:20:50,074 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:50,074 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651788335] [2022-03-03 18:20:50,074 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651788335] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:50,074 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:50,074 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:50,074 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433639841] [2022-03-03 18:20:50,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:50,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:50,075 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:50,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:50,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:50,076 INFO L87 Difference]: Start difference. First operand 1717 states and 3322 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:50,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:50,711 INFO L93 Difference]: Finished difference Result 2655 states and 5112 transitions. [2022-03-03 18:20:50,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:50,712 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:50,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:50,716 INFO L225 Difference]: With dead ends: 2655 [2022-03-03 18:20:50,716 INFO L226 Difference]: Without dead ends: 2652 [2022-03-03 18:20:50,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:50,717 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 496 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:50,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [496 Valid, 1026 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:20:50,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2652 states. [2022-03-03 18:20:50,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2652 to 1717. [2022-03-03 18:20:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1717 states, 1707 states have (on average 1.9461042765084944) internal successors, (3322), 1716 states have internal predecessors, (3322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:50,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 3322 transitions. [2022-03-03 18:20:50,742 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 3322 transitions. Word has length 65 [2022-03-03 18:20:50,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:50,742 INFO L470 AbstractCegarLoop]: Abstraction has 1717 states and 3322 transitions. [2022-03-03 18:20:50,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:50,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 3322 transitions. [2022-03-03 18:20:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:50,744 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:50,744 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:50,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-03 18:20:50,744 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:50,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:50,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1800525225, now seen corresponding path program 5 times [2022-03-03 18:20:50,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:50,745 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480696732] [2022-03-03 18:20:50,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:50,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:50,929 INFO 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 18:20:50,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:50,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480696732] [2022-03-03 18:20:50,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480696732] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:50,930 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:50,930 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:50,930 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509687578] [2022-03-03 18:20:50,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:50,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:50,930 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:50,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:50,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:50,931 INFO L87 Difference]: Start difference. First operand 1717 states and 3322 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:51,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:51,509 INFO L93 Difference]: Finished difference Result 2664 states and 5128 transitions. [2022-03-03 18:20:51,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:51,509 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:51,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:51,514 INFO L225 Difference]: With dead ends: 2664 [2022-03-03 18:20:51,514 INFO L226 Difference]: Without dead ends: 2660 [2022-03-03 18:20:51,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:51,515 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 503 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:51,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [503 Valid, 1103 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:20:51,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2022-03-03 18:20:51,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 1717. [2022-03-03 18:20:51,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1717 states, 1707 states have (on average 1.9461042765084944) internal successors, (3322), 1716 states have internal predecessors, (3322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 3322 transitions. [2022-03-03 18:20:51,543 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 3322 transitions. Word has length 65 [2022-03-03 18:20:51,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:51,543 INFO L470 AbstractCegarLoop]: Abstraction has 1717 states and 3322 transitions. [2022-03-03 18:20:51,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:51,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 3322 transitions. [2022-03-03 18:20:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:51,545 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:51,545 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:51,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-03 18:20:51,545 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:51,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:51,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1510696504, now seen corresponding path program 5 times [2022-03-03 18:20:51,546 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:51,546 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087325005] [2022-03-03 18:20:51,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:51,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:51,672 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:51,672 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087325005] [2022-03-03 18:20:51,672 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087325005] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:51,673 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:51,673 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:51,673 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402318114] [2022-03-03 18:20:51,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:51,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:51,673 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:51,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:51,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:51,674 INFO L87 Difference]: Start difference. First operand 1717 states and 3322 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:52,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:52,257 INFO L93 Difference]: Finished difference Result 2015 states and 3916 transitions. [2022-03-03 18:20:52,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:52,258 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:52,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:52,261 INFO L225 Difference]: With dead ends: 2015 [2022-03-03 18:20:52,261 INFO L226 Difference]: Without dead ends: 2015 [2022-03-03 18:20:52,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:52,262 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 394 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:52,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [394 Valid, 920 Invalid, 884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:20:52,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2022-03-03 18:20:52,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1702. [2022-03-03 18:20:52,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1702 states, 1692 states have (on average 1.9456264775413712) internal successors, (3292), 1701 states have internal predecessors, (3292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:52,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 3292 transitions. [2022-03-03 18:20:52,287 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 3292 transitions. Word has length 65 [2022-03-03 18:20:52,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:52,287 INFO L470 AbstractCegarLoop]: Abstraction has 1702 states and 3292 transitions. [2022-03-03 18:20:52,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:52,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 3292 transitions. [2022-03-03 18:20:52,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:52,289 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:52,289 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:52,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-03 18:20:52,289 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:52,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:52,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1364690028, now seen corresponding path program 6 times [2022-03-03 18:20:52,290 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:52,290 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095915041] [2022-03-03 18:20:52,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:52,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:52,426 INFO 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 18:20:52,426 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:52,426 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095915041] [2022-03-03 18:20:52,426 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095915041] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:52,427 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:52,427 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:52,427 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123822439] [2022-03-03 18:20:52,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:52,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:52,427 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:52,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:52,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:52,428 INFO L87 Difference]: Start difference. First operand 1702 states and 3292 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:53,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:53,001 INFO L93 Difference]: Finished difference Result 2040 states and 3966 transitions. [2022-03-03 18:20:53,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:53,002 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:53,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:53,006 INFO L225 Difference]: With dead ends: 2040 [2022-03-03 18:20:53,006 INFO L226 Difference]: Without dead ends: 2040 [2022-03-03 18:20:53,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:53,007 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 394 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:53,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [394 Valid, 993 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:20:53,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2022-03-03 18:20:53,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 1705. [2022-03-03 18:20:53,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1705 states, 1695 states have (on average 1.9457227138643067) internal successors, (3298), 1704 states have internal predecessors, (3298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:53,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 3298 transitions. [2022-03-03 18:20:53,052 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 3298 transitions. Word has length 65 [2022-03-03 18:20:53,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:53,053 INFO L470 AbstractCegarLoop]: Abstraction has 1705 states and 3298 transitions. [2022-03-03 18:20:53,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:53,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 3298 transitions. [2022-03-03 18:20:53,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:53,056 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:53,056 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:53,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-03 18:20:53,056 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:53,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:53,057 INFO L85 PathProgramCache]: Analyzing trace with hash 2035656422, now seen corresponding path program 7 times [2022-03-03 18:20:53,057 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:53,057 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117674428] [2022-03-03 18:20:53,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:53,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:53,190 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 18:20:53,191 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:53,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117674428] [2022-03-03 18:20:53,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117674428] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:53,191 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:53,191 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:53,191 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707587107] [2022-03-03 18:20:53,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:53,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:53,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:53,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:53,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:53,192 INFO L87 Difference]: Start difference. First operand 1705 states and 3298 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:53,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:53,720 INFO L93 Difference]: Finished difference Result 1960 states and 3806 transitions. [2022-03-03 18:20:53,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:53,721 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:53,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:53,724 INFO L225 Difference]: With dead ends: 1960 [2022-03-03 18:20:53,724 INFO L226 Difference]: Without dead ends: 1960 [2022-03-03 18:20:53,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:53,725 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 381 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:53,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [381 Valid, 981 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:20:53,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2022-03-03 18:20:53,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1699. [2022-03-03 18:20:53,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1699 states, 1689 states have (on average 1.945529899348727) internal successors, (3286), 1698 states have internal predecessors, (3286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:53,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 3286 transitions. [2022-03-03 18:20:53,750 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 3286 transitions. Word has length 65 [2022-03-03 18:20:53,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:53,750 INFO L470 AbstractCegarLoop]: Abstraction has 1699 states and 3286 transitions. [2022-03-03 18:20:53,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:53,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 3286 transitions. [2022-03-03 18:20:53,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:53,752 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:53,752 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:53,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-03 18:20:53,752 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:53,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:53,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1450264576, now seen corresponding path program 8 times [2022-03-03 18:20:53,753 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:53,753 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095476466] [2022-03-03 18:20:53,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:53,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:53,902 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 18:20:53,902 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:53,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095476466] [2022-03-03 18:20:53,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095476466] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:53,903 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:53,903 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:53,903 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259839503] [2022-03-03 18:20:53,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:53,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:53,903 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:53,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:53,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:53,904 INFO L87 Difference]: Start difference. First operand 1699 states and 3286 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:54,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:54,487 INFO L93 Difference]: Finished difference Result 1970 states and 3826 transitions. [2022-03-03 18:20:54,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:54,488 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:54,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:54,500 INFO L225 Difference]: With dead ends: 1970 [2022-03-03 18:20:54,500 INFO L226 Difference]: Without dead ends: 1970 [2022-03-03 18:20:54,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:54,500 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 402 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:54,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [402 Valid, 927 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:20:54,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2022-03-03 18:20:54,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1684. [2022-03-03 18:20:54,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1674 states have (on average 1.945041816009558) internal successors, (3256), 1683 states have internal predecessors, (3256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:54,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 3256 transitions. [2022-03-03 18:20:54,521 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 3256 transitions. Word has length 65 [2022-03-03 18:20:54,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:54,522 INFO L470 AbstractCegarLoop]: Abstraction has 1684 states and 3256 transitions. [2022-03-03 18:20:54,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:54,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 3256 transitions. [2022-03-03 18:20:54,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:54,523 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:54,523 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:54,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-03 18:20:54,524 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:54,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:54,524 INFO L85 PathProgramCache]: Analyzing trace with hash 2121230970, now seen corresponding path program 9 times [2022-03-03 18:20:54,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:54,524 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416643605] [2022-03-03 18:20:54,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:54,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:54,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:54,672 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:54,672 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416643605] [2022-03-03 18:20:54,672 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416643605] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:54,673 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:54,673 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:54,673 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202066776] [2022-03-03 18:20:54,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:54,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:54,673 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:54,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:54,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:54,674 INFO L87 Difference]: Start difference. First operand 1684 states and 3256 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:55,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:55,240 INFO L93 Difference]: Finished difference Result 1935 states and 3756 transitions. [2022-03-03 18:20:55,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:55,240 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:55,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:55,243 INFO L225 Difference]: With dead ends: 1935 [2022-03-03 18:20:55,243 INFO L226 Difference]: Without dead ends: 1935 [2022-03-03 18:20:55,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:55,244 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 395 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:55,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [395 Valid, 1019 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:20:55,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2022-03-03 18:20:55,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1681. [2022-03-03 18:20:55,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1681 states, 1671 states have (on average 1.9449431478156793) internal successors, (3250), 1680 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:55,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 3250 transitions. [2022-03-03 18:20:55,268 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 3250 transitions. Word has length 65 [2022-03-03 18:20:55,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:55,268 INFO L470 AbstractCegarLoop]: Abstraction has 1681 states and 3250 transitions. [2022-03-03 18:20:55,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:55,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 3250 transitions. [2022-03-03 18:20:55,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:55,296 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:55,296 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:55,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-03 18:20:55,297 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:55,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:55,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1493723720, now seen corresponding path program 10 times [2022-03-03 18:20:55,297 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:55,297 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270019406] [2022-03-03 18:20:55,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:55,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:55,448 INFO 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 18:20:55,449 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:55,449 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270019406] [2022-03-03 18:20:55,449 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270019406] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:55,449 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:55,449 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:55,449 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428854186] [2022-03-03 18:20:55,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:55,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:55,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:55,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:55,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:55,450 INFO L87 Difference]: Start difference. First operand 1681 states and 3250 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:56,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:56,049 INFO L93 Difference]: Finished difference Result 1887 states and 3660 transitions. [2022-03-03 18:20:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:56,050 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:56,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:56,052 INFO L225 Difference]: With dead ends: 1887 [2022-03-03 18:20:56,052 INFO L226 Difference]: Without dead ends: 1887 [2022-03-03 18:20:56,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:56,053 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 397 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:56,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [397 Valid, 1119 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:20:56,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2022-03-03 18:20:56,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1663. [2022-03-03 18:20:56,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1663 states, 1653 states have (on average 1.9443436176648519) internal successors, (3214), 1662 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:56,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 3214 transitions. [2022-03-03 18:20:56,075 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 3214 transitions. Word has length 65 [2022-03-03 18:20:56,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:56,075 INFO L470 AbstractCegarLoop]: Abstraction has 1663 states and 3214 transitions. [2022-03-03 18:20:56,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:56,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 3214 transitions. [2022-03-03 18:20:56,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:56,077 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:56,077 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:56,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-03 18:20:56,077 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:56,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:56,077 INFO L85 PathProgramCache]: Analyzing trace with hash 2117570871, now seen corresponding path program 6 times [2022-03-03 18:20:56,078 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:56,078 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185306243] [2022-03-03 18:20:56,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:56,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:56,258 INFO 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 18:20:56,259 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:56,259 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185306243] [2022-03-03 18:20:56,259 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185306243] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:56,259 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:56,259 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:56,259 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897357311] [2022-03-03 18:20:56,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:56,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:56,259 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:56,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:56,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:56,260 INFO L87 Difference]: Start difference. First operand 1663 states and 3214 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:56,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:56,782 INFO L93 Difference]: Finished difference Result 1909 states and 3694 transitions. [2022-03-03 18:20:56,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:20:56,783 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:56,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:56,785 INFO L225 Difference]: With dead ends: 1909 [2022-03-03 18:20:56,785 INFO L226 Difference]: Without dead ends: 1908 [2022-03-03 18:20:56,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2022-03-03 18:20:56,786 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 391 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:56,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 935 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:20:56,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-03-03 18:20:56,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1663. [2022-03-03 18:20:56,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1663 states, 1653 states have (on average 1.9443436176648519) internal successors, (3214), 1662 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:56,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 3214 transitions. [2022-03-03 18:20:56,807 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 3214 transitions. Word has length 65 [2022-03-03 18:20:56,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:56,807 INFO L470 AbstractCegarLoop]: Abstraction has 1663 states and 3214 transitions. [2022-03-03 18:20:56,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 3214 transitions. [2022-03-03 18:20:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:56,809 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:56,809 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:56,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-03 18:20:56,810 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:56,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:56,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1469549951, now seen corresponding path program 7 times [2022-03-03 18:20:56,810 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:56,810 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35698975] [2022-03-03 18:20:56,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:56,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:56,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:56,977 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:56,977 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35698975] [2022-03-03 18:20:56,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35698975] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:56,977 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:56,977 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:56,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950791964] [2022-03-03 18:20:56,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:56,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:56,978 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:56,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:56,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:56,978 INFO L87 Difference]: Start difference. First operand 1663 states and 3214 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:57,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:57,511 INFO L93 Difference]: Finished difference Result 1996 states and 3867 transitions. [2022-03-03 18:20:57,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:20:57,512 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:57,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:57,514 INFO L225 Difference]: With dead ends: 1996 [2022-03-03 18:20:57,514 INFO L226 Difference]: Without dead ends: 1995 [2022-03-03 18:20:57,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=346, Unknown=0, NotChecked=0, Total=506 [2022-03-03 18:20:57,515 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 428 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:57,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [428 Valid, 934 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:20:57,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2022-03-03 18:20:57,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1666. [2022-03-03 18:20:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1656 states have (on average 1.9444444444444444) internal successors, (3220), 1665 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:57,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 3220 transitions. [2022-03-03 18:20:57,535 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 3220 transitions. Word has length 65 [2022-03-03 18:20:57,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:57,535 INFO L470 AbstractCegarLoop]: Abstraction has 1666 states and 3220 transitions. [2022-03-03 18:20:57,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:57,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 3220 transitions. [2022-03-03 18:20:57,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:57,537 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:57,537 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:57,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-03 18:20:57,537 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:57,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:57,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1129392495, now seen corresponding path program 8 times [2022-03-03 18:20:57,537 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:57,537 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528651601] [2022-03-03 18:20:57,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:57,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:57,697 INFO 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 18:20:57,698 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:57,698 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528651601] [2022-03-03 18:20:57,698 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528651601] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:57,698 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:57,698 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:57,698 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71670880] [2022-03-03 18:20:57,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:57,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:57,698 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:57,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:57,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:57,699 INFO L87 Difference]: Start difference. First operand 1666 states and 3220 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:58,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:58,228 INFO L93 Difference]: Finished difference Result 1965 states and 3804 transitions. [2022-03-03 18:20:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:58,228 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:58,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:58,230 INFO L225 Difference]: With dead ends: 1965 [2022-03-03 18:20:58,230 INFO L226 Difference]: Without dead ends: 1963 [2022-03-03 18:20:58,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:58,231 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 415 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:58,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [415 Valid, 958 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:20:58,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1963 states. [2022-03-03 18:20:58,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1963 to 1663. [2022-03-03 18:20:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1663 states, 1653 states have (on average 1.9443436176648519) internal successors, (3214), 1662 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:58,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 3214 transitions. [2022-03-03 18:20:58,249 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 3214 transitions. Word has length 65 [2022-03-03 18:20:58,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:58,250 INFO L470 AbstractCegarLoop]: Abstraction has 1663 states and 3214 transitions. [2022-03-03 18:20:58,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:58,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 3214 transitions. [2022-03-03 18:20:58,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:58,251 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:58,251 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:58,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-03 18:20:58,251 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:58,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:58,252 INFO L85 PathProgramCache]: Analyzing trace with hash 505355861, now seen corresponding path program 9 times [2022-03-03 18:20:58,252 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:58,252 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835500241] [2022-03-03 18:20:58,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:58,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:58,409 INFO 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 18:20:58,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:58,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835500241] [2022-03-03 18:20:58,410 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835500241] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:58,410 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:58,410 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:58,410 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640589058] [2022-03-03 18:20:58,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:58,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:58,410 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:58,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:58,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:58,411 INFO L87 Difference]: Start difference. First operand 1663 states and 3214 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:58,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:58,876 INFO L93 Difference]: Finished difference Result 2009 states and 3894 transitions. [2022-03-03 18:20:58,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:20:58,876 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:58,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:58,878 INFO L225 Difference]: With dead ends: 2009 [2022-03-03 18:20:58,879 INFO L226 Difference]: Without dead ends: 2008 [2022-03-03 18:20:58,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2022-03-03 18:20:58,879 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 432 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:58,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [432 Valid, 890 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:20:58,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2022-03-03 18:20:58,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 1669. [2022-03-03 18:20:58,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1659 states have (on average 1.944544906570223) internal successors, (3226), 1668 states have internal predecessors, (3226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:58,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 3226 transitions. [2022-03-03 18:20:58,898 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 3226 transitions. Word has length 65 [2022-03-03 18:20:58,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:58,899 INFO L470 AbstractCegarLoop]: Abstraction has 1669 states and 3226 transitions. [2022-03-03 18:20:58,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:58,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 3226 transitions. [2022-03-03 18:20:58,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:58,900 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:58,900 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:58,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-03 18:20:58,900 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:58,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:58,901 INFO L85 PathProgramCache]: Analyzing trace with hash 165198405, now seen corresponding path program 10 times [2022-03-03 18:20:58,901 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:58,901 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141617598] [2022-03-03 18:20:58,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:58,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:59,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:59,072 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:59,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141617598] [2022-03-03 18:20:59,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141617598] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:59,072 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:59,072 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:59,072 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595423092] [2022-03-03 18:20:59,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:59,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:59,073 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:59,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:59,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:59,073 INFO L87 Difference]: Start difference. First operand 1669 states and 3226 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:59,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:59,761 INFO L93 Difference]: Finished difference Result 2062 states and 3998 transitions. [2022-03-03 18:20:59,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:20:59,766 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:59,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:59,769 INFO L225 Difference]: With dead ends: 2062 [2022-03-03 18:20:59,769 INFO L226 Difference]: Without dead ends: 2060 [2022-03-03 18:20:59,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:20:59,769 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 414 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 1222 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:59,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [414 Valid, 1222 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1072 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:20:59,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2060 states. [2022-03-03 18:20:59,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2060 to 1666. [2022-03-03 18:20:59,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1656 states have (on average 1.9444444444444444) internal successors, (3220), 1665 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:59,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 3220 transitions. [2022-03-03 18:20:59,789 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 3220 transitions. Word has length 65 [2022-03-03 18:20:59,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:59,789 INFO L470 AbstractCegarLoop]: Abstraction has 1666 states and 3220 transitions. [2022-03-03 18:20:59,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:20:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 3220 transitions. [2022-03-03 18:20:59,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:20:59,790 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:59,791 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:20:59,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-03 18:20:59,791 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:59,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:59,791 INFO L85 PathProgramCache]: Analyzing trace with hash 69120183, now seen corresponding path program 11 times [2022-03-03 18:20:59,791 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:59,791 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847698884] [2022-03-03 18:20:59,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:59,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:59,952 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 18:20:59,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:59,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847698884] [2022-03-03 18:20:59,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847698884] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:59,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:59,952 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:20:59,952 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992983309] [2022-03-03 18:20:59,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:59,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:20:59,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:59,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:20:59,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:20:59,953 INFO L87 Difference]: Start difference. First operand 1666 states and 3220 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:00,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:00,592 INFO L93 Difference]: Finished difference Result 2021 states and 3914 transitions. [2022-03-03 18:21:00,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:00,592 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:00,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:00,595 INFO L225 Difference]: With dead ends: 2021 [2022-03-03 18:21:00,595 INFO L226 Difference]: Without dead ends: 2018 [2022-03-03 18:21:00,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:00,596 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 410 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:00,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [410 Valid, 1084 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:21:00,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2018 states. [2022-03-03 18:21:00,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2018 to 1663. [2022-03-03 18:21:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1663 states, 1653 states have (on average 1.9443436176648519) internal successors, (3214), 1662 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:00,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 3214 transitions. [2022-03-03 18:21:00,616 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 3214 transitions. Word has length 65 [2022-03-03 18:21:00,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:00,616 INFO L470 AbstractCegarLoop]: Abstraction has 1663 states and 3214 transitions. [2022-03-03 18:21:00,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 3214 transitions. [2022-03-03 18:21:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:00,617 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:00,618 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:00,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-03 18:21:00,618 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:00,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:00,618 INFO L85 PathProgramCache]: Analyzing trace with hash 832710625, now seen corresponding path program 12 times [2022-03-03 18:21:00,618 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:00,618 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424207078] [2022-03-03 18:21:00,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:00,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:00,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:00,810 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:00,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424207078] [2022-03-03 18:21:00,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424207078] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:00,810 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:00,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:00,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682417639] [2022-03-03 18:21:00,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:00,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:00,810 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:00,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:00,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:00,811 INFO L87 Difference]: Start difference. First operand 1663 states and 3214 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:01,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:01,276 INFO L93 Difference]: Finished difference Result 1981 states and 3838 transitions. [2022-03-03 18:21:01,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:21:01,276 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:01,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:01,278 INFO L225 Difference]: With dead ends: 1981 [2022-03-03 18:21:01,278 INFO L226 Difference]: Without dead ends: 1980 [2022-03-03 18:21:01,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2022-03-03 18:21:01,292 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 421 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:01,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [421 Valid, 893 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:01,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2022-03-03 18:21:01,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1660. [2022-03-03 18:21:01,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1660 states, 1650 states have (on average 1.9442424242424243) internal successors, (3208), 1659 states have internal predecessors, (3208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 3208 transitions. [2022-03-03 18:21:01,310 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 3208 transitions. Word has length 65 [2022-03-03 18:21:01,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:01,310 INFO L470 AbstractCegarLoop]: Abstraction has 1660 states and 3208 transitions. [2022-03-03 18:21:01,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 3208 transitions. [2022-03-03 18:21:01,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:01,311 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:01,311 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:01,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-03 18:21:01,312 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:01,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:01,312 INFO L85 PathProgramCache]: Analyzing trace with hash 492553169, now seen corresponding path program 13 times [2022-03-03 18:21:01,312 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:01,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296063767] [2022-03-03 18:21:01,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:01,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:01,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:01,484 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:01,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296063767] [2022-03-03 18:21:01,484 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296063767] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:01,484 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:01,484 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:01,484 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359071305] [2022-03-03 18:21:01,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:01,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:01,484 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:01,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:01,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:01,485 INFO L87 Difference]: Start difference. First operand 1660 states and 3208 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:02,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:02,024 INFO L93 Difference]: Finished difference Result 2034 states and 3942 transitions. [2022-03-03 18:21:02,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:02,024 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:02,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:02,027 INFO L225 Difference]: With dead ends: 2034 [2022-03-03 18:21:02,027 INFO L226 Difference]: Without dead ends: 2032 [2022-03-03 18:21:02,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:02,028 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 413 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:02,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [413 Valid, 950 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:02,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2022-03-03 18:21:02,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 1657. [2022-03-03 18:21:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1657 states, 1647 states have (on average 1.9441408621736491) internal successors, (3202), 1656 states have internal predecessors, (3202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:02,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 3202 transitions. [2022-03-03 18:21:02,046 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 3202 transitions. Word has length 65 [2022-03-03 18:21:02,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:02,047 INFO L470 AbstractCegarLoop]: Abstraction has 1657 states and 3202 transitions. [2022-03-03 18:21:02,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:02,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 3202 transitions. [2022-03-03 18:21:02,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:02,048 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:02,048 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:02,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-03 18:21:02,048 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:02,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:02,049 INFO L85 PathProgramCache]: Analyzing trace with hash 396474947, now seen corresponding path program 14 times [2022-03-03 18:21:02,049 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:02,049 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680666048] [2022-03-03 18:21:02,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:02,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:02,250 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 18:21:02,250 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:02,250 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680666048] [2022-03-03 18:21:02,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680666048] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:02,250 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:02,250 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:02,250 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631299711] [2022-03-03 18:21:02,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:02,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:02,251 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:02,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:02,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:02,251 INFO L87 Difference]: Start difference. First operand 1657 states and 3202 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:02,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:02,787 INFO L93 Difference]: Finished difference Result 2087 states and 4046 transitions. [2022-03-03 18:21:02,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:02,787 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:02,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:02,790 INFO L225 Difference]: With dead ends: 2087 [2022-03-03 18:21:02,790 INFO L226 Difference]: Without dead ends: 2084 [2022-03-03 18:21:02,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:02,791 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 422 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:02,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [422 Valid, 829 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:02,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2022-03-03 18:21:02,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 1654. [2022-03-03 18:21:02,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1644 states have (on average 1.9440389294403893) internal successors, (3196), 1653 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:02,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 3196 transitions. [2022-03-03 18:21:02,808 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 3196 transitions. Word has length 65 [2022-03-03 18:21:02,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:02,808 INFO L470 AbstractCegarLoop]: Abstraction has 1654 states and 3196 transitions. [2022-03-03 18:21:02,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:02,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 3196 transitions. [2022-03-03 18:21:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:02,810 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:02,810 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:02,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-03 18:21:02,810 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:02,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:02,811 INFO L85 PathProgramCache]: Analyzing trace with hash -791606801, now seen corresponding path program 15 times [2022-03-03 18:21:02,811 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:02,811 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016339864] [2022-03-03 18:21:02,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:02,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:02,991 INFO 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 18:21:02,991 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:02,991 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016339864] [2022-03-03 18:21:02,991 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016339864] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:02,991 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:02,992 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:02,992 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284160647] [2022-03-03 18:21:02,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:02,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:02,992 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:02,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:02,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:02,993 INFO L87 Difference]: Start difference. First operand 1654 states and 3196 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:03,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:03,448 INFO L93 Difference]: Finished difference Result 2005 states and 3876 transitions. [2022-03-03 18:21:03,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:03,448 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:03,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:03,451 INFO L225 Difference]: With dead ends: 2005 [2022-03-03 18:21:03,451 INFO L226 Difference]: Without dead ends: 2001 [2022-03-03 18:21:03,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:03,452 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 418 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:03,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [418 Valid, 765 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:03,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2001 states. [2022-03-03 18:21:03,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2001 to 1591. [2022-03-03 18:21:03,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1581 states have (on average 1.939278937381404) internal successors, (3066), 1590 states have internal predecessors, (3066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:03,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 3066 transitions. [2022-03-03 18:21:03,468 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 3066 transitions. Word has length 65 [2022-03-03 18:21:03,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:03,468 INFO L470 AbstractCegarLoop]: Abstraction has 1591 states and 3066 transitions. [2022-03-03 18:21:03,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:03,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 3066 transitions. [2022-03-03 18:21:03,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:03,470 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:03,470 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:03,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-03 18:21:03,470 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:03,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:03,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1933545622, now seen corresponding path program 11 times [2022-03-03 18:21:03,471 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:03,471 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204926995] [2022-03-03 18:21:03,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:03,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:03,601 INFO 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 18:21:03,601 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:03,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204926995] [2022-03-03 18:21:03,601 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204926995] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:03,601 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:03,601 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:03,601 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113201578] [2022-03-03 18:21:03,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:03,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:03,602 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:03,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:03,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:03,602 INFO L87 Difference]: Start difference. First operand 1591 states and 3066 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:04,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:04,165 INFO L93 Difference]: Finished difference Result 3719 states and 7170 transitions. [2022-03-03 18:21:04,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:04,165 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:04,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:04,170 INFO L225 Difference]: With dead ends: 3719 [2022-03-03 18:21:04,171 INFO L226 Difference]: Without dead ends: 3719 [2022-03-03 18:21:04,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:04,171 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 542 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:04,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [542 Valid, 929 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:04,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3719 states. [2022-03-03 18:21:04,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3719 to 1901. [2022-03-03 18:21:04,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1901 states, 1891 states have (on average 1.9545214172395557) internal successors, (3696), 1900 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:04,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 3696 transitions. [2022-03-03 18:21:04,201 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 3696 transitions. Word has length 65 [2022-03-03 18:21:04,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:04,202 INFO L470 AbstractCegarLoop]: Abstraction has 1901 states and 3696 transitions. [2022-03-03 18:21:04,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:04,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 3696 transitions. [2022-03-03 18:21:04,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:04,203 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:04,203 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:04,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-03 18:21:04,203 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:04,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:04,204 INFO L85 PathProgramCache]: Analyzing trace with hash 463641457, now seen corresponding path program 2 times [2022-03-03 18:21:04,204 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:04,204 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39156491] [2022-03-03 18:21:04,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:04,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:04,310 INFO 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 18:21:04,311 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:04,311 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39156491] [2022-03-03 18:21:04,311 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39156491] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:04,311 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:04,311 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:04,311 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117319281] [2022-03-03 18:21:04,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:04,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:04,311 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:04,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:04,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:04,312 INFO L87 Difference]: Start difference. First operand 1901 states and 3696 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:05,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:05,046 INFO L93 Difference]: Finished difference Result 3650 states and 7029 transitions. [2022-03-03 18:21:05,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-03 18:21:05,046 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:05,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:05,052 INFO L225 Difference]: With dead ends: 3650 [2022-03-03 18:21:05,052 INFO L226 Difference]: Without dead ends: 3650 [2022-03-03 18:21:05,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=343, Invalid=779, Unknown=0, NotChecked=0, Total=1122 [2022-03-03 18:21:05,053 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 611 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 1312 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:05,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [611 Valid, 1312 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:21:05,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3650 states. [2022-03-03 18:21:05,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3650 to 1885. [2022-03-03 18:21:05,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1885 states, 1875 states have (on average 1.952) internal successors, (3660), 1884 states have internal predecessors, (3660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:05,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 3660 transitions. [2022-03-03 18:21:05,100 INFO L78 Accepts]: Start accepts. Automaton has 1885 states and 3660 transitions. Word has length 65 [2022-03-03 18:21:05,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:05,103 INFO L470 AbstractCegarLoop]: Abstraction has 1885 states and 3660 transitions. [2022-03-03 18:21:05,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:05,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 3660 transitions. [2022-03-03 18:21:05,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:05,105 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:05,105 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] [2022-03-03 18:21:05,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-03 18:21:05,106 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:05,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:05,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1296212147, now seen corresponding path program 16 times [2022-03-03 18:21:05,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:05,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21454984] [2022-03-03 18:21:05,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:05,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:05,270 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 18:21:05,271 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:05,271 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21454984] [2022-03-03 18:21:05,271 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21454984] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:05,271 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:05,271 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:05,271 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482567909] [2022-03-03 18:21:05,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:05,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:05,271 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:05,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:05,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:05,272 INFO L87 Difference]: Start difference. First operand 1885 states and 3660 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:05,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:05,831 INFO L93 Difference]: Finished difference Result 3565 states and 6868 transitions. [2022-03-03 18:21:05,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:05,832 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:05,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:05,836 INFO L225 Difference]: With dead ends: 3565 [2022-03-03 18:21:05,837 INFO L226 Difference]: Without dead ends: 3561 [2022-03-03 18:21:05,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:05,837 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 532 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:05,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [532 Valid, 964 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:05,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3561 states. [2022-03-03 18:21:05,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3561 to 1878. [2022-03-03 18:21:05,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1878 states, 1868 states have (on average 1.948608137044968) internal successors, (3640), 1877 states have internal predecessors, (3640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:05,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1878 states and 3640 transitions. [2022-03-03 18:21:05,864 INFO L78 Accepts]: Start accepts. Automaton has 1878 states and 3640 transitions. Word has length 65 [2022-03-03 18:21:05,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:05,864 INFO L470 AbstractCegarLoop]: Abstraction has 1878 states and 3640 transitions. [2022-03-03 18:21:05,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:05,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 3640 transitions. [2022-03-03 18:21:05,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:05,865 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:05,866 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:05,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-03 18:21:05,866 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:05,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:05,866 INFO L85 PathProgramCache]: Analyzing trace with hash -2006119639, now seen corresponding path program 2 times [2022-03-03 18:21:05,866 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:05,866 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681008665] [2022-03-03 18:21:05,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:05,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:06,002 INFO 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 18:21:06,002 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:06,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681008665] [2022-03-03 18:21:06,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681008665] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:06,002 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:06,003 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:06,003 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94391568] [2022-03-03 18:21:06,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:06,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:06,003 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:06,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:06,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:06,004 INFO L87 Difference]: Start difference. First operand 1878 states and 3640 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:06,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:06,459 INFO L93 Difference]: Finished difference Result 3564 states and 6869 transitions. [2022-03-03 18:21:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:06,459 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:06,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:06,463 INFO L225 Difference]: With dead ends: 3564 [2022-03-03 18:21:06,463 INFO L226 Difference]: Without dead ends: 3564 [2022-03-03 18:21:06,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:06,464 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 522 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:06,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [522 Valid, 934 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:06,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2022-03-03 18:21:06,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 1687. [2022-03-03 18:21:06,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1687 states, 1677 states have (on average 1.9427549194991056) internal successors, (3258), 1686 states have internal predecessors, (3258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:06,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 3258 transitions. [2022-03-03 18:21:06,484 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 3258 transitions. Word has length 65 [2022-03-03 18:21:06,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:06,484 INFO L470 AbstractCegarLoop]: Abstraction has 1687 states and 3258 transitions. [2022-03-03 18:21:06,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:06,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 3258 transitions. [2022-03-03 18:21:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:06,486 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:06,486 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:06,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-03 18:21:06,486 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:06,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:06,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1245069467, now seen corresponding path program 3 times [2022-03-03 18:21:06,486 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:06,486 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714449475] [2022-03-03 18:21:06,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:06,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:06,618 INFO 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 18:21:06,618 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:06,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714449475] [2022-03-03 18:21:06,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714449475] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:06,618 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:06,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:06,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449127319] [2022-03-03 18:21:06,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:06,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:06,619 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:06,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:06,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:06,619 INFO L87 Difference]: Start difference. First operand 1687 states and 3258 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:07,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:07,134 INFO L93 Difference]: Finished difference Result 3072 states and 5934 transitions. [2022-03-03 18:21:07,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:07,135 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:07,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:07,139 INFO L225 Difference]: With dead ends: 3072 [2022-03-03 18:21:07,139 INFO L226 Difference]: Without dead ends: 3072 [2022-03-03 18:21:07,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=426, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:07,140 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 498 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:07,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [498 Valid, 1017 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:07,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2022-03-03 18:21:07,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 1672. [2022-03-03 18:21:07,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1662 states have (on average 1.9422382671480145) internal successors, (3228), 1671 states have internal predecessors, (3228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:07,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 3228 transitions. [2022-03-03 18:21:07,166 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 3228 transitions. Word has length 65 [2022-03-03 18:21:07,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:07,166 INFO L470 AbstractCegarLoop]: Abstraction has 1672 states and 3228 transitions. [2022-03-03 18:21:07,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 3228 transitions. [2022-03-03 18:21:07,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:07,168 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:07,168 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:07,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-03 18:21:07,168 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:07,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:07,168 INFO L85 PathProgramCache]: Analyzing trace with hash -2141260375, now seen corresponding path program 4 times [2022-03-03 18:21:07,168 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:07,168 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713854324] [2022-03-03 18:21:07,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:07,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:07,322 INFO 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 18:21:07,322 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:07,322 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713854324] [2022-03-03 18:21:07,323 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713854324] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:07,323 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:07,323 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:07,323 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948052072] [2022-03-03 18:21:07,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:07,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:07,323 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:07,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:07,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:07,324 INFO L87 Difference]: Start difference. First operand 1672 states and 3228 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:07,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:07,926 INFO L93 Difference]: Finished difference Result 2952 states and 5701 transitions. [2022-03-03 18:21:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:07,927 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:07,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:07,931 INFO L225 Difference]: With dead ends: 2952 [2022-03-03 18:21:07,931 INFO L226 Difference]: Without dead ends: 2952 [2022-03-03 18:21:07,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:07,932 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 495 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:07,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [495 Valid, 1080 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:07,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2952 states. [2022-03-03 18:21:07,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2952 to 1675. [2022-03-03 18:21:07,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1665 states have (on average 1.9423423423423423) internal successors, (3234), 1674 states have internal predecessors, (3234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:07,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 3234 transitions. [2022-03-03 18:21:07,953 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 3234 transitions. Word has length 65 [2022-03-03 18:21:07,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:07,953 INFO L470 AbstractCegarLoop]: Abstraction has 1675 states and 3234 transitions. [2022-03-03 18:21:07,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:07,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 3234 transitions. [2022-03-03 18:21:07,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:07,954 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:07,954 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:07,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-03 18:21:07,955 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:07,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:07,955 INFO L85 PathProgramCache]: Analyzing trace with hash -2146017543, now seen corresponding path program 5 times [2022-03-03 18:21:07,955 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:07,955 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675453500] [2022-03-03 18:21:07,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:07,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:08,090 INFO 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 18:21:08,091 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:08,091 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675453500] [2022-03-03 18:21:08,091 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675453500] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:08,091 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:08,091 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:08,091 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447123887] [2022-03-03 18:21:08,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:08,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:08,093 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:08,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:08,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:08,093 INFO L87 Difference]: Start difference. First operand 1675 states and 3234 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:08,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:08,665 INFO L93 Difference]: Finished difference Result 2996 states and 5787 transitions. [2022-03-03 18:21:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:08,665 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:08,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:08,669 INFO L225 Difference]: With dead ends: 2996 [2022-03-03 18:21:08,669 INFO L226 Difference]: Without dead ends: 2996 [2022-03-03 18:21:08,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:08,669 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 488 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:08,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [488 Valid, 1199 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:08,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2996 states. [2022-03-03 18:21:08,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2996 to 1675. [2022-03-03 18:21:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1665 states have (on average 1.9423423423423423) internal successors, (3234), 1674 states have internal predecessors, (3234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:08,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 3234 transitions. [2022-03-03 18:21:08,689 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 3234 transitions. Word has length 65 [2022-03-03 18:21:08,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:08,690 INFO L470 AbstractCegarLoop]: Abstraction has 1675 states and 3234 transitions. [2022-03-03 18:21:08,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:08,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 3234 transitions. [2022-03-03 18:21:08,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:08,691 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:08,691 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] [2022-03-03 18:21:08,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-03 18:21:08,691 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:08,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:08,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1780269233, now seen corresponding path program 6 times [2022-03-03 18:21:08,692 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:08,692 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148426018] [2022-03-03 18:21:08,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:08,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:08,843 INFO 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 18:21:08,843 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:08,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148426018] [2022-03-03 18:21:08,844 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148426018] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:08,844 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:08,844 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:08,844 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099207258] [2022-03-03 18:21:08,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:08,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:08,844 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:08,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:08,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:08,845 INFO L87 Difference]: Start difference. First operand 1675 states and 3234 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:09,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:09,344 INFO L93 Difference]: Finished difference Result 3010 states and 5813 transitions. [2022-03-03 18:21:09,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:09,344 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:09,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:09,348 INFO L225 Difference]: With dead ends: 3010 [2022-03-03 18:21:09,348 INFO L226 Difference]: Without dead ends: 3010 [2022-03-03 18:21:09,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:09,349 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 497 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:09,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 945 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:09,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3010 states. [2022-03-03 18:21:09,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3010 to 1645. [2022-03-03 18:21:09,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1645 states, 1635 states have (on average 1.9412844036697248) internal successors, (3174), 1644 states have internal predecessors, (3174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 3174 transitions. [2022-03-03 18:21:09,376 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 3174 transitions. Word has length 65 [2022-03-03 18:21:09,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:09,376 INFO L470 AbstractCegarLoop]: Abstraction has 1645 states and 3174 transitions. [2022-03-03 18:21:09,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:09,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 3174 transitions. [2022-03-03 18:21:09,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:09,378 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:09,378 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:09,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-03 18:21:09,378 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:09,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:09,379 INFO L85 PathProgramCache]: Analyzing trace with hash -889778048, now seen corresponding path program 12 times [2022-03-03 18:21:09,379 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:09,379 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938437939] [2022-03-03 18:21:09,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:09,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:09,525 INFO 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 18:21:09,525 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:09,525 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938437939] [2022-03-03 18:21:09,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938437939] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:09,526 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:09,526 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:09,526 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737643202] [2022-03-03 18:21:09,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:09,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:09,526 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:09,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:09,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:09,527 INFO L87 Difference]: Start difference. First operand 1645 states and 3174 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:10,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:10,093 INFO L93 Difference]: Finished difference Result 3952 states and 7593 transitions. [2022-03-03 18:21:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:10,094 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:10,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:10,099 INFO L225 Difference]: With dead ends: 3952 [2022-03-03 18:21:10,099 INFO L226 Difference]: Without dead ends: 3952 [2022-03-03 18:21:10,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:10,100 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 539 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 1006 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:10,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [539 Valid, 1006 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:10,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2022-03-03 18:21:10,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 1937. [2022-03-03 18:21:10,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1937 states, 1927 states have (on average 1.955371043072133) internal successors, (3768), 1936 states have internal predecessors, (3768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:10,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1937 states and 3768 transitions. [2022-03-03 18:21:10,122 INFO L78 Accepts]: Start accepts. Automaton has 1937 states and 3768 transitions. Word has length 65 [2022-03-03 18:21:10,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:10,123 INFO L470 AbstractCegarLoop]: Abstraction has 1937 states and 3768 transitions. [2022-03-03 18:21:10,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:10,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 3768 transitions. [2022-03-03 18:21:10,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:10,124 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:10,124 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 18:21:10,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-03 18:21:10,124 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:10,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:10,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1935285083, now seen corresponding path program 3 times [2022-03-03 18:21:10,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:10,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067861726] [2022-03-03 18:21:10,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:10,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:10,250 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 18:21:10,251 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:10,251 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067861726] [2022-03-03 18:21:10,251 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067861726] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:10,251 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:10,251 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:10,251 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601441949] [2022-03-03 18:21:10,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:10,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:10,252 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:10,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:10,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:10,254 INFO L87 Difference]: Start difference. First operand 1937 states and 3768 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:11,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:11,173 INFO L93 Difference]: Finished difference Result 3904 states and 7489 transitions. [2022-03-03 18:21:11,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-03 18:21:11,174 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:11,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:11,178 INFO L225 Difference]: With dead ends: 3904 [2022-03-03 18:21:11,178 INFO L226 Difference]: Without dead ends: 3904 [2022-03-03 18:21:11,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=435, Invalid=971, Unknown=0, NotChecked=0, Total=1406 [2022-03-03 18:21:11,179 INFO L933 BasicCegarLoop]: 313 mSDtfsCounter, 593 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 1523 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:11,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [593 Valid, 1523 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-03 18:21:11,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3904 states. [2022-03-03 18:21:11,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3904 to 1954. [2022-03-03 18:21:11,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1944 states have (on average 1.9537037037037037) internal successors, (3798), 1953 states have internal predecessors, (3798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:11,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 3798 transitions. [2022-03-03 18:21:11,203 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 3798 transitions. Word has length 65 [2022-03-03 18:21:11,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:11,203 INFO L470 AbstractCegarLoop]: Abstraction has 1954 states and 3798 transitions. [2022-03-03 18:21:11,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:11,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 3798 transitions. [2022-03-03 18:21:11,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:11,205 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:11,205 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:11,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-03 18:21:11,205 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:11,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:11,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1527111523, now seen corresponding path program 17 times [2022-03-03 18:21:11,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:11,205 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82821943] [2022-03-03 18:21:11,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:11,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:11,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:11,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:11,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82821943] [2022-03-03 18:21:11,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82821943] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:11,363 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:11,364 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:11,364 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045992348] [2022-03-03 18:21:11,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:11,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:11,364 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:11,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:11,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:11,364 INFO L87 Difference]: Start difference. First operand 1954 states and 3798 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:11,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:11,939 INFO L93 Difference]: Finished difference Result 3915 states and 7518 transitions. [2022-03-03 18:21:11,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:11,940 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:11,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:11,945 INFO L225 Difference]: With dead ends: 3915 [2022-03-03 18:21:11,945 INFO L226 Difference]: Without dead ends: 3911 [2022-03-03 18:21:11,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:11,945 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 531 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:11,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [531 Valid, 1047 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 866 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:11,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3911 states. [2022-03-03 18:21:11,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3911 to 2012. [2022-03-03 18:21:11,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2012 states, 2002 states have (on average 1.9550449550449551) internal successors, (3914), 2011 states have internal predecessors, (3914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:11,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 2012 states and 3914 transitions. [2022-03-03 18:21:11,971 INFO L78 Accepts]: Start accepts. Automaton has 2012 states and 3914 transitions. Word has length 65 [2022-03-03 18:21:11,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:11,972 INFO L470 AbstractCegarLoop]: Abstraction has 2012 states and 3914 transitions. [2022-03-03 18:21:11,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:11,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 3914 transitions. [2022-03-03 18:21:11,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:11,973 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:11,973 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:11,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-03 18:21:11,973 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:11,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:11,974 INFO L85 PathProgramCache]: Analyzing trace with hash -534476013, now seen corresponding path program 7 times [2022-03-03 18:21:11,974 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:11,974 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075109889] [2022-03-03 18:21:11,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:11,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:12,100 INFO 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 18:21:12,100 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:12,101 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075109889] [2022-03-03 18:21:12,101 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075109889] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:12,101 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:12,101 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:12,101 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730705665] [2022-03-03 18:21:12,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:12,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:12,101 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:12,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:12,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:12,102 INFO L87 Difference]: Start difference. First operand 2012 states and 3914 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:12,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:12,616 INFO L93 Difference]: Finished difference Result 3799 states and 7295 transitions. [2022-03-03 18:21:12,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 18:21:12,616 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:12,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:12,620 INFO L225 Difference]: With dead ends: 3799 [2022-03-03 18:21:12,620 INFO L226 Difference]: Without dead ends: 3799 [2022-03-03 18:21:12,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=189, Invalid=461, Unknown=0, NotChecked=0, Total=650 [2022-03-03 18:21:12,621 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 508 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:12,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 921 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:12,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3799 states. [2022-03-03 18:21:12,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3799 to 1792. [2022-03-03 18:21:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1792 states, 1782 states have (on average 1.9483726150392817) internal successors, (3472), 1791 states have internal predecessors, (3472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:12,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 3472 transitions. [2022-03-03 18:21:12,644 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 3472 transitions. Word has length 65 [2022-03-03 18:21:12,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:12,644 INFO L470 AbstractCegarLoop]: Abstraction has 1792 states and 3472 transitions. [2022-03-03 18:21:12,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 3472 transitions. [2022-03-03 18:21:12,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:12,646 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:12,646 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] [2022-03-03 18:21:12,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-03 18:21:12,646 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:12,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:12,646 INFO L85 PathProgramCache]: Analyzing trace with hash 682504124, now seen corresponding path program 13 times [2022-03-03 18:21:12,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:12,647 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20403227] [2022-03-03 18:21:12,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:12,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:12,773 INFO 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 18:21:12,773 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:12,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20403227] [2022-03-03 18:21:12,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20403227] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:12,774 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:12,774 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:12,774 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419327650] [2022-03-03 18:21:12,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:12,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:12,774 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:12,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:12,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:12,775 INFO L87 Difference]: Start difference. First operand 1792 states and 3472 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:13,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:13,386 INFO L93 Difference]: Finished difference Result 3290 states and 6335 transitions. [2022-03-03 18:21:13,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:13,386 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:13,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:13,390 INFO L225 Difference]: With dead ends: 3290 [2022-03-03 18:21:13,391 INFO L226 Difference]: Without dead ends: 3290 [2022-03-03 18:21:13,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:13,391 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 469 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:13,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [469 Valid, 1114 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:21:13,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3290 states. [2022-03-03 18:21:13,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3290 to 1777. [2022-03-03 18:21:13,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1777 states, 1767 states have (on average 1.9479343520090548) internal successors, (3442), 1776 states have internal predecessors, (3442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:13,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 3442 transitions. [2022-03-03 18:21:13,412 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 3442 transitions. Word has length 65 [2022-03-03 18:21:13,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:13,412 INFO L470 AbstractCegarLoop]: Abstraction has 1777 states and 3442 transitions. [2022-03-03 18:21:13,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:13,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 3442 transitions. [2022-03-03 18:21:13,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:13,413 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:13,414 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:13,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-03 18:21:13,414 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:13,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:13,414 INFO L85 PathProgramCache]: Analyzing trace with hash -737076640, now seen corresponding path program 14 times [2022-03-03 18:21:13,414 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:13,414 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941980449] [2022-03-03 18:21:13,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:13,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:13,542 INFO 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 18:21:13,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:13,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941980449] [2022-03-03 18:21:13,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941980449] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:13,543 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:13,543 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:13,543 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562198294] [2022-03-03 18:21:13,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:13,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:13,544 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:13,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:13,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:13,544 INFO L87 Difference]: Start difference. First operand 1777 states and 3442 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:14,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:14,137 INFO L93 Difference]: Finished difference Result 3248 states and 6251 transitions. [2022-03-03 18:21:14,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:14,137 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:14,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:14,141 INFO L225 Difference]: With dead ends: 3248 [2022-03-03 18:21:14,141 INFO L226 Difference]: Without dead ends: 3248 [2022-03-03 18:21:14,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:14,141 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 476 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:14,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [476 Valid, 1018 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:14,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2022-03-03 18:21:14,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 1762. [2022-03-03 18:21:14,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1762 states, 1752 states have (on average 1.947488584474886) internal successors, (3412), 1761 states have internal predecessors, (3412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:14,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 3412 transitions. [2022-03-03 18:21:14,161 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 3412 transitions. Word has length 65 [2022-03-03 18:21:14,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:14,161 INFO L470 AbstractCegarLoop]: Abstraction has 1762 states and 3412 transitions. [2022-03-03 18:21:14,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:14,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 3412 transitions. [2022-03-03 18:21:14,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:14,162 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:14,162 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:14,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-03 18:21:14,162 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:14,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:14,163 INFO L85 PathProgramCache]: Analyzing trace with hash -66110246, now seen corresponding path program 15 times [2022-03-03 18:21:14,163 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:14,163 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501935291] [2022-03-03 18:21:14,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:14,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:14,281 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 18:21:14,282 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:14,282 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501935291] [2022-03-03 18:21:14,282 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501935291] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:14,282 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:14,282 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:14,282 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142360313] [2022-03-03 18:21:14,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:14,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:14,282 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:14,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:14,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:14,283 INFO L87 Difference]: Start difference. First operand 1762 states and 3412 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:14,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:14,893 INFO L93 Difference]: Finished difference Result 3168 states and 6091 transitions. [2022-03-03 18:21:14,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:14,893 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:14,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:14,897 INFO L225 Difference]: With dead ends: 3168 [2022-03-03 18:21:14,897 INFO L226 Difference]: Without dead ends: 3168 [2022-03-03 18:21:14,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=418, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:14,898 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 481 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:14,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [481 Valid, 1137 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:21:14,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2022-03-03 18:21:14,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 1729. [2022-03-03 18:21:14,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1729 states, 1719 states have (on average 1.9464805119255382) internal successors, (3346), 1728 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 3346 transitions. [2022-03-03 18:21:14,917 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 3346 transitions. Word has length 65 [2022-03-03 18:21:14,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:14,918 INFO L470 AbstractCegarLoop]: Abstraction has 1729 states and 3346 transitions. [2022-03-03 18:21:14,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:14,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 3346 transitions. [2022-03-03 18:21:14,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:14,919 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:14,919 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] [2022-03-03 18:21:14,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-03 18:21:14,919 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:14,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:14,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1816718609, now seen corresponding path program 18 times [2022-03-03 18:21:14,920 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:14,920 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351690814] [2022-03-03 18:21:14,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:14,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:15,093 INFO 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 18:21:15,093 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:15,093 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351690814] [2022-03-03 18:21:15,093 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351690814] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:15,093 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:15,093 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:15,093 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859215892] [2022-03-03 18:21:15,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:15,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:15,094 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:15,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:15,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:15,094 INFO L87 Difference]: Start difference. First operand 1729 states and 3346 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:15,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:15,655 INFO L93 Difference]: Finished difference Result 3180 states and 6103 transitions. [2022-03-03 18:21:15,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:15,655 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:15,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:15,683 INFO L225 Difference]: With dead ends: 3180 [2022-03-03 18:21:15,683 INFO L226 Difference]: Without dead ends: 3179 [2022-03-03 18:21:15,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:15,684 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 479 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:15,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [479 Valid, 1151 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:15,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3179 states. [2022-03-03 18:21:15,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3179 to 1726. [2022-03-03 18:21:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1726 states, 1716 states have (on average 1.9463869463869463) internal successors, (3340), 1725 states have internal predecessors, (3340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:15,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1726 states and 3340 transitions. [2022-03-03 18:21:15,702 INFO L78 Accepts]: Start accepts. Automaton has 1726 states and 3340 transitions. Word has length 65 [2022-03-03 18:21:15,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:15,703 INFO L470 AbstractCegarLoop]: Abstraction has 1726 states and 3340 transitions. [2022-03-03 18:21:15,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:15,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 3340 transitions. [2022-03-03 18:21:15,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:15,704 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:15,704 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:15,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-03 18:21:15,704 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:15,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:15,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1071806009, now seen corresponding path program 19 times [2022-03-03 18:21:15,705 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:15,705 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953955371] [2022-03-03 18:21:15,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:15,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:15,859 INFO 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 18:21:15,859 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:15,859 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953955371] [2022-03-03 18:21:15,859 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953955371] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:15,859 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:15,859 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:15,859 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15760378] [2022-03-03 18:21:15,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:15,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:15,860 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:15,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:15,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:15,860 INFO L87 Difference]: Start difference. First operand 1726 states and 3340 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:16,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:16,426 INFO L93 Difference]: Finished difference Result 3233 states and 6207 transitions. [2022-03-03 18:21:16,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:16,426 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:16,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:16,430 INFO L225 Difference]: With dead ends: 3233 [2022-03-03 18:21:16,430 INFO L226 Difference]: Without dead ends: 3231 [2022-03-03 18:21:16,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=418, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:16,431 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 501 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:16,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [501 Valid, 1022 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:16,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3231 states. [2022-03-03 18:21:16,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3231 to 1723. [2022-03-03 18:21:16,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1723 states, 1713 states have (on average 1.9462930531231757) internal successors, (3334), 1722 states have internal predecessors, (3334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:16,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1723 states and 3334 transitions. [2022-03-03 18:21:16,451 INFO L78 Accepts]: Start accepts. Automaton has 1723 states and 3334 transitions. Word has length 65 [2022-03-03 18:21:16,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:16,451 INFO L470 AbstractCegarLoop]: Abstraction has 1723 states and 3334 transitions. [2022-03-03 18:21:16,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:16,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 3334 transitions. [2022-03-03 18:21:16,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:16,452 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:16,453 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:16,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-03 18:21:16,453 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:16,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:16,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1736208751, now seen corresponding path program 20 times [2022-03-03 18:21:16,453 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:16,453 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652128806] [2022-03-03 18:21:16,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:16,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:16,618 INFO 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 18:21:16,618 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:16,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652128806] [2022-03-03 18:21:16,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652128806] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:16,618 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:16,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:16,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447737034] [2022-03-03 18:21:16,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:16,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:16,618 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:16,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:16,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:16,619 INFO L87 Difference]: Start difference. First operand 1723 states and 3334 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:17,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:17,258 INFO L93 Difference]: Finished difference Result 3286 states and 6311 transitions. [2022-03-03 18:21:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:17,258 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:17,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:17,262 INFO L225 Difference]: With dead ends: 3286 [2022-03-03 18:21:17,262 INFO L226 Difference]: Without dead ends: 3283 [2022-03-03 18:21:17,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:17,263 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 490 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:17,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [490 Valid, 1135 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:21:17,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2022-03-03 18:21:17,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 1720. [2022-03-03 18:21:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1720 states, 1710 states have (on average 1.9461988304093567) internal successors, (3328), 1719 states have internal predecessors, (3328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 3328 transitions. [2022-03-03 18:21:17,302 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 3328 transitions. Word has length 65 [2022-03-03 18:21:17,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:17,302 INFO L470 AbstractCegarLoop]: Abstraction has 1720 states and 3328 transitions. [2022-03-03 18:21:17,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:17,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 3328 transitions. [2022-03-03 18:21:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:17,303 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:17,303 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:17,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-03 18:21:17,304 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:17,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:17,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1419024037, now seen corresponding path program 21 times [2022-03-03 18:21:17,304 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:17,304 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582818936] [2022-03-03 18:21:17,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:17,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:17,453 INFO 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 18:21:17,454 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:17,454 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582818936] [2022-03-03 18:21:17,454 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582818936] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:17,454 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:17,454 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:17,454 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032656391] [2022-03-03 18:21:17,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:17,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:17,454 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:17,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:17,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:17,455 INFO L87 Difference]: Start difference. First operand 1720 states and 3328 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:18,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:18,029 INFO L93 Difference]: Finished difference Result 3215 states and 6173 transitions. [2022-03-03 18:21:18,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:18,030 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:18,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:18,034 INFO L225 Difference]: With dead ends: 3215 [2022-03-03 18:21:18,034 INFO L226 Difference]: Without dead ends: 3211 [2022-03-03 18:21:18,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:18,034 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 480 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:18,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [480 Valid, 1003 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:18,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3211 states. [2022-03-03 18:21:18,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3211 to 1645. [2022-03-03 18:21:18,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1645 states, 1635 states have (on average 1.9412844036697248) internal successors, (3174), 1644 states have internal predecessors, (3174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:18,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 3174 transitions. [2022-03-03 18:21:18,054 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 3174 transitions. Word has length 65 [2022-03-03 18:21:18,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:18,054 INFO L470 AbstractCegarLoop]: Abstraction has 1645 states and 3174 transitions. [2022-03-03 18:21:18,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:18,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 3174 transitions. [2022-03-03 18:21:18,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:18,055 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:18,055 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:18,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-03-03 18:21:18,056 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:18,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:18,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1610383052, now seen corresponding path program 16 times [2022-03-03 18:21:18,056 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:18,056 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751439681] [2022-03-03 18:21:18,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:18,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:18,187 INFO 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 18:21:18,187 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:18,188 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751439681] [2022-03-03 18:21:18,188 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751439681] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:18,188 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:18,188 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:18,188 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363658431] [2022-03-03 18:21:18,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:18,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:18,188 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:18,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:18,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:18,189 INFO L87 Difference]: Start difference. First operand 1645 states and 3174 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:18,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:18,652 INFO L93 Difference]: Finished difference Result 2702 states and 5211 transitions. [2022-03-03 18:21:18,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:18,652 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:18,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:18,655 INFO L225 Difference]: With dead ends: 2702 [2022-03-03 18:21:18,655 INFO L226 Difference]: Without dead ends: 2702 [2022-03-03 18:21:18,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:18,656 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 473 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:18,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [473 Valid, 867 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:18,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2022-03-03 18:21:18,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 1946. [2022-03-03 18:21:18,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1946 states, 1936 states have (on average 1.9555785123966942) internal successors, (3786), 1945 states have internal predecessors, (3786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:18,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 3786 transitions. [2022-03-03 18:21:18,679 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 3786 transitions. Word has length 65 [2022-03-03 18:21:18,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:18,679 INFO L470 AbstractCegarLoop]: Abstraction has 1946 states and 3786 transitions. [2022-03-03 18:21:18,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:18,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 3786 transitions. [2022-03-03 18:21:18,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:18,680 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:18,681 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:18,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-03 18:21:18,681 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:18,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:18,681 INFO L85 PathProgramCache]: Analyzing trace with hash 140478887, now seen corresponding path program 4 times [2022-03-03 18:21:18,681 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:18,681 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871215957] [2022-03-03 18:21:18,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:18,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:18,782 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:18,783 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871215957] [2022-03-03 18:21:18,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871215957] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:18,783 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:18,783 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:18,783 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228998159] [2022-03-03 18:21:18,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:18,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:18,783 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:18,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:18,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:18,784 INFO L87 Difference]: Start difference. First operand 1946 states and 3786 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:19,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:19,331 INFO L93 Difference]: Finished difference Result 2648 states and 5101 transitions. [2022-03-03 18:21:19,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-03 18:21:19,332 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:19,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:19,335 INFO L225 Difference]: With dead ends: 2648 [2022-03-03 18:21:19,335 INFO L226 Difference]: Without dead ends: 2648 [2022-03-03 18:21:19,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=285, Invalid=585, Unknown=0, NotChecked=0, Total=870 [2022-03-03 18:21:19,336 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 474 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:19,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [474 Valid, 1112 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:19,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2022-03-03 18:21:19,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 1930. [2022-03-03 18:21:19,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1930 states, 1920 states have (on average 1.953125) internal successors, (3750), 1929 states have internal predecessors, (3750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:19,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1930 states and 3750 transitions. [2022-03-03 18:21:19,357 INFO L78 Accepts]: Start accepts. Automaton has 1930 states and 3750 transitions. Word has length 65 [2022-03-03 18:21:19,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:19,357 INFO L470 AbstractCegarLoop]: Abstraction has 1930 states and 3750 transitions. [2022-03-03 18:21:19,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:19,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 3750 transitions. [2022-03-03 18:21:19,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:19,358 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:19,358 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:19,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-03-03 18:21:19,359 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:19,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:19,359 INFO L85 PathProgramCache]: Analyzing trace with hash 973049577, now seen corresponding path program 22 times [2022-03-03 18:21:19,359 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:19,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975153228] [2022-03-03 18:21:19,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:19,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:19,530 INFO 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 18:21:19,530 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:19,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975153228] [2022-03-03 18:21:19,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975153228] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:19,530 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:19,530 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:19,530 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066558486] [2022-03-03 18:21:19,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:19,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:19,531 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:19,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:19,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:19,531 INFO L87 Difference]: Start difference. First operand 1930 states and 3750 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:19,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:19,992 INFO L93 Difference]: Finished difference Result 2551 states and 4916 transitions. [2022-03-03 18:21:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:19,992 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:19,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:19,995 INFO L225 Difference]: With dead ends: 2551 [2022-03-03 18:21:19,995 INFO L226 Difference]: Without dead ends: 2547 [2022-03-03 18:21:19,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:19,996 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 471 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:19,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [471 Valid, 847 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:19,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2547 states. [2022-03-03 18:21:20,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2547 to 1923. [2022-03-03 18:21:20,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1923 states, 1913 states have (on average 1.949817041296393) internal successors, (3730), 1922 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:20,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1923 states and 3730 transitions. [2022-03-03 18:21:20,017 INFO L78 Accepts]: Start accepts. Automaton has 1923 states and 3730 transitions. Word has length 65 [2022-03-03 18:21:20,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:20,017 INFO L470 AbstractCegarLoop]: Abstraction has 1923 states and 3730 transitions. [2022-03-03 18:21:20,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:20,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 3730 transitions. [2022-03-03 18:21:20,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:20,019 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:20,019 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:20,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-03-03 18:21:20,019 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:20,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:20,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1965685087, now seen corresponding path program 8 times [2022-03-03 18:21:20,019 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:20,019 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758984989] [2022-03-03 18:21:20,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:20,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:20,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:20,128 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:20,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758984989] [2022-03-03 18:21:20,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758984989] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:20,128 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:20,128 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:20,128 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655922357] [2022-03-03 18:21:20,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:20,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:20,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:20,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:20,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:20,129 INFO L87 Difference]: Start difference. First operand 1923 states and 3730 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:20,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:20,537 INFO L93 Difference]: Finished difference Result 2555 states and 4926 transitions. [2022-03-03 18:21:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:20,537 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:20,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:20,540 INFO L225 Difference]: With dead ends: 2555 [2022-03-03 18:21:20,540 INFO L226 Difference]: Without dead ends: 2555 [2022-03-03 18:21:20,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:20,540 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 440 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:20,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [440 Valid, 895 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:20,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2555 states. [2022-03-03 18:21:20,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2555 to 1732. [2022-03-03 18:21:20,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1722 states have (on average 1.9442508710801394) internal successors, (3348), 1731 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:20,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 3348 transitions. [2022-03-03 18:21:20,560 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 3348 transitions. Word has length 65 [2022-03-03 18:21:20,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:20,561 INFO L470 AbstractCegarLoop]: Abstraction has 1732 states and 3348 transitions. [2022-03-03 18:21:20,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:20,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 3348 transitions. [2022-03-03 18:21:20,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:20,562 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:20,562 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:20,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-03-03 18:21:20,563 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:20,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:20,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1568232037, now seen corresponding path program 9 times [2022-03-03 18:21:20,563 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:20,563 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906576670] [2022-03-03 18:21:20,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:20,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:20,688 INFO 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 18:21:20,689 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:20,689 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906576670] [2022-03-03 18:21:20,689 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906576670] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:20,689 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:20,689 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:20,689 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245374315] [2022-03-03 18:21:20,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:20,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:20,689 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:20,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:20,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:20,690 INFO L87 Difference]: Start difference. First operand 1732 states and 3348 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:21,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:21,148 INFO L93 Difference]: Finished difference Result 2819 states and 5442 transitions. [2022-03-03 18:21:21,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:21,148 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:21,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:21,152 INFO L225 Difference]: With dead ends: 2819 [2022-03-03 18:21:21,152 INFO L226 Difference]: Without dead ends: 2819 [2022-03-03 18:21:21,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:21,152 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 432 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:21,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [432 Valid, 949 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:21,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2819 states. [2022-03-03 18:21:21,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2819 to 1735. [2022-03-03 18:21:21,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1735 states, 1725 states have (on average 1.9443478260869564) internal successors, (3354), 1734 states have internal predecessors, (3354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:21,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 3354 transitions. [2022-03-03 18:21:21,174 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 3354 transitions. Word has length 65 [2022-03-03 18:21:21,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:21,174 INFO L470 AbstractCegarLoop]: Abstraction has 1735 states and 3354 transitions. [2022-03-03 18:21:21,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:21,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 3354 transitions. [2022-03-03 18:21:21,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:21,175 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:21,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:21,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-03-03 18:21:21,175 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:21,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:21,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1830544351, now seen corresponding path program 10 times [2022-03-03 18:21:21,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:21,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35733061] [2022-03-03 18:21:21,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:21,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:21,310 INFO 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 18:21:21,311 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:21,311 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35733061] [2022-03-03 18:21:21,311 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35733061] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:21,311 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:21,311 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:21,311 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194094286] [2022-03-03 18:21:21,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:21,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:21,311 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:21,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:21,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:21,312 INFO L87 Difference]: Start difference. First operand 1735 states and 3354 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:21,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:21,753 INFO L93 Difference]: Finished difference Result 2681 states and 5173 transitions. [2022-03-03 18:21:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:21:21,753 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:21,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:21,756 INFO L225 Difference]: With dead ends: 2681 [2022-03-03 18:21:21,756 INFO L226 Difference]: Without dead ends: 2681 [2022-03-03 18:21:21,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2022-03-03 18:21:21,757 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 415 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:21,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [415 Valid, 1038 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:21,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2681 states. [2022-03-03 18:21:21,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2681 to 1741. [2022-03-03 18:21:21,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1731 states have (on average 1.9445407279029463) internal successors, (3366), 1740 states have internal predecessors, (3366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:21,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 3366 transitions. [2022-03-03 18:21:21,777 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 3366 transitions. Word has length 65 [2022-03-03 18:21:21,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:21,777 INFO L470 AbstractCegarLoop]: Abstraction has 1741 states and 3366 transitions. [2022-03-03 18:21:21,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:21,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 3366 transitions. [2022-03-03 18:21:21,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:21,778 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:21,778 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:21,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-03 18:21:21,778 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:21,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:21,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1825787183, now seen corresponding path program 11 times [2022-03-03 18:21:21,779 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:21,779 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941919857] [2022-03-03 18:21:21,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:21,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:21,915 INFO 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 18:21:21,916 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:21,916 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941919857] [2022-03-03 18:21:21,916 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941919857] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:21,916 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:21,916 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:21,916 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345611453] [2022-03-03 18:21:21,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:21,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:21,916 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:21,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:21,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:21,917 INFO L87 Difference]: Start difference. First operand 1741 states and 3366 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:22,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:22,345 INFO L93 Difference]: Finished difference Result 2725 states and 5259 transitions. [2022-03-03 18:21:22,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:22,346 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:22,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:22,349 INFO L225 Difference]: With dead ends: 2725 [2022-03-03 18:21:22,349 INFO L226 Difference]: Without dead ends: 2725 [2022-03-03 18:21:22,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:22,349 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 436 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:22,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [436 Valid, 886 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:22,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2725 states. [2022-03-03 18:21:22,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2725 to 1738. [2022-03-03 18:21:22,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1738 states, 1728 states have (on average 1.9444444444444444) internal successors, (3360), 1737 states have internal predecessors, (3360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:22,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 3360 transitions. [2022-03-03 18:21:22,368 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 3360 transitions. Word has length 65 [2022-03-03 18:21:22,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:22,369 INFO L470 AbstractCegarLoop]: Abstraction has 1738 states and 3360 transitions. [2022-03-03 18:21:22,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:22,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 3360 transitions. [2022-03-03 18:21:22,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:22,370 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:22,370 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:22,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-03-03 18:21:22,370 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:22,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:22,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1457106663, now seen corresponding path program 12 times [2022-03-03 18:21:22,370 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:22,371 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475015456] [2022-03-03 18:21:22,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:22,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:22,480 INFO 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 18:21:22,481 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:22,481 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475015456] [2022-03-03 18:21:22,481 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475015456] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:22,481 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:22,481 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:22,481 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147805862] [2022-03-03 18:21:22,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:22,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:22,481 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:22,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:22,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:22,482 INFO L87 Difference]: Start difference. First operand 1738 states and 3360 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:22,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:22,972 INFO L93 Difference]: Finished difference Result 2757 states and 5321 transitions. [2022-03-03 18:21:22,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:22,972 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:22,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:22,975 INFO L225 Difference]: With dead ends: 2757 [2022-03-03 18:21:22,975 INFO L226 Difference]: Without dead ends: 2757 [2022-03-03 18:21:22,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:22,976 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 415 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:22,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [415 Valid, 1090 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:22,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2022-03-03 18:21:22,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 1699. [2022-03-03 18:21:22,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1699 states, 1689 states have (on average 1.9431616341030196) internal successors, (3282), 1698 states have internal predecessors, (3282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:22,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 3282 transitions. [2022-03-03 18:21:22,992 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 3282 transitions. Word has length 65 [2022-03-03 18:21:22,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:22,992 INFO L470 AbstractCegarLoop]: Abstraction has 1699 states and 3282 transitions. [2022-03-03 18:21:22,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:22,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 3282 transitions. [2022-03-03 18:21:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:22,994 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:22,994 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:22,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-03-03 18:21:22,994 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:22,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:22,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1673320571, now seen corresponding path program 13 times [2022-03-03 18:21:22,994 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:22,994 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422379616] [2022-03-03 18:21:22,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:22,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:23,191 INFO 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 18:21:23,192 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:23,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422379616] [2022-03-03 18:21:23,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422379616] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:23,192 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:23,192 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:23,192 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582947818] [2022-03-03 18:21:23,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:23,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:23,192 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:23,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:23,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:23,193 INFO L87 Difference]: Start difference. First operand 1699 states and 3282 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:23,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:23,633 INFO L93 Difference]: Finished difference Result 2003 states and 3874 transitions. [2022-03-03 18:21:23,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:23,633 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:23,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:23,635 INFO L225 Difference]: With dead ends: 2003 [2022-03-03 18:21:23,636 INFO L226 Difference]: Without dead ends: 2003 [2022-03-03 18:21:23,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:23,636 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 391 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:23,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 857 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:23,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2022-03-03 18:21:23,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 1684. [2022-03-03 18:21:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1674 states have (on average 1.9426523297491038) internal successors, (3252), 1683 states have internal predecessors, (3252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 3252 transitions. [2022-03-03 18:21:23,651 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 3252 transitions. Word has length 65 [2022-03-03 18:21:23,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:23,651 INFO L470 AbstractCegarLoop]: Abstraction has 1684 states and 3252 transitions. [2022-03-03 18:21:23,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:23,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 3252 transitions. [2022-03-03 18:21:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:23,652 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:23,653 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:23,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-03-03 18:21:23,653 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:23,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:23,653 INFO L85 PathProgramCache]: Analyzing trace with hash 777129663, now seen corresponding path program 14 times [2022-03-03 18:21:23,653 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:23,653 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676835459] [2022-03-03 18:21:23,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:23,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:23,788 INFO 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 18:21:23,788 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:23,788 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676835459] [2022-03-03 18:21:23,788 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676835459] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:23,788 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:23,789 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:23,789 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165075983] [2022-03-03 18:21:23,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:23,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:23,789 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:23,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:23,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:23,789 INFO L87 Difference]: Start difference. First operand 1684 states and 3252 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:24,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:24,193 INFO L93 Difference]: Finished difference Result 1932 states and 3739 transitions. [2022-03-03 18:21:24,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:21:24,193 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:24,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:24,196 INFO L225 Difference]: With dead ends: 1932 [2022-03-03 18:21:24,196 INFO L226 Difference]: Without dead ends: 1932 [2022-03-03 18:21:24,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2022-03-03 18:21:24,196 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 375 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:24,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [375 Valid, 1007 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:24,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2022-03-03 18:21:24,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1690. [2022-03-03 18:21:24,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1680 states have (on average 1.9428571428571428) internal successors, (3264), 1689 states have internal predecessors, (3264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:24,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 3264 transitions. [2022-03-03 18:21:24,211 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 3264 transitions. Word has length 65 [2022-03-03 18:21:24,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:24,211 INFO L470 AbstractCegarLoop]: Abstraction has 1690 states and 3264 transitions. [2022-03-03 18:21:24,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:24,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 3264 transitions. [2022-03-03 18:21:24,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:24,212 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:24,212 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:24,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-03-03 18:21:24,212 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:24,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:24,213 INFO L85 PathProgramCache]: Analyzing trace with hash 772372495, now seen corresponding path program 15 times [2022-03-03 18:21:24,213 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:24,213 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701267715] [2022-03-03 18:21:24,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:24,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:24,333 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 18:21:24,333 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:24,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701267715] [2022-03-03 18:21:24,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701267715] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:24,334 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:24,334 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:24,334 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149720183] [2022-03-03 18:21:24,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:24,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:24,334 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:24,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:24,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:24,334 INFO L87 Difference]: Start difference. First operand 1690 states and 3264 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:24,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:24,770 INFO L93 Difference]: Finished difference Result 1976 states and 3825 transitions. [2022-03-03 18:21:24,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:24,770 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:24,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:24,772 INFO L225 Difference]: With dead ends: 1976 [2022-03-03 18:21:24,772 INFO L226 Difference]: Without dead ends: 1976 [2022-03-03 18:21:24,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:24,772 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 382 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:24,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [382 Valid, 1025 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:24,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1976 states. [2022-03-03 18:21:24,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1976 to 1687. [2022-03-03 18:21:24,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1687 states, 1677 states have (on average 1.9427549194991056) internal successors, (3258), 1686 states have internal predecessors, (3258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:24,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 3258 transitions. [2022-03-03 18:21:24,787 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 3258 transitions. Word has length 65 [2022-03-03 18:21:24,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:24,787 INFO L470 AbstractCegarLoop]: Abstraction has 1687 states and 3258 transitions. [2022-03-03 18:21:24,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:24,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 3258 transitions. [2022-03-03 18:21:24,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:24,788 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:24,788 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:24,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-03-03 18:21:24,788 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:24,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:24,789 INFO L85 PathProgramCache]: Analyzing trace with hash 403691975, now seen corresponding path program 16 times [2022-03-03 18:21:24,789 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:24,789 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512369760] [2022-03-03 18:21:24,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:24,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:24,916 INFO 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 18:21:24,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:24,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512369760] [2022-03-03 18:21:24,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512369760] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:24,917 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:24,917 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:24,917 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533454181] [2022-03-03 18:21:24,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:24,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:24,917 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:24,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:24,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:24,918 INFO L87 Difference]: Start difference. First operand 1687 states and 3258 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:25,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:25,350 INFO L93 Difference]: Finished difference Result 2008 states and 3887 transitions. [2022-03-03 18:21:25,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:25,350 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:25,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:25,353 INFO L225 Difference]: With dead ends: 2008 [2022-03-03 18:21:25,353 INFO L226 Difference]: Without dead ends: 2008 [2022-03-03 18:21:25,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:25,353 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 390 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:25,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [390 Valid, 865 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:25,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2022-03-03 18:21:25,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 1681. [2022-03-03 18:21:25,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1681 states, 1671 states have (on average 1.9425493716337523) internal successors, (3246), 1680 states have internal predecessors, (3246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:25,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 3246 transitions. [2022-03-03 18:21:25,368 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 3246 transitions. Word has length 65 [2022-03-03 18:21:25,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:25,369 INFO L470 AbstractCegarLoop]: Abstraction has 1681 states and 3246 transitions. [2022-03-03 18:21:25,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:25,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 3246 transitions. [2022-03-03 18:21:25,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:25,370 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:25,370 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:25,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-03-03 18:21:25,370 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:25,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:25,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1930448091, now seen corresponding path program 17 times [2022-03-03 18:21:25,375 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:25,375 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128351384] [2022-03-03 18:21:25,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:25,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:25,513 INFO 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 18:21:25,513 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:25,513 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128351384] [2022-03-03 18:21:25,513 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128351384] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:25,513 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:25,513 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:25,513 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757514155] [2022-03-03 18:21:25,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:25,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:25,514 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:25,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:25,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:25,514 INFO L87 Difference]: Start difference. First operand 1681 states and 3246 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:25,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:25,887 INFO L93 Difference]: Finished difference Result 1880 states and 3635 transitions. [2022-03-03 18:21:25,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:21:25,887 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:25,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:25,889 INFO L225 Difference]: With dead ends: 1880 [2022-03-03 18:21:25,889 INFO L226 Difference]: Without dead ends: 1880 [2022-03-03 18:21:25,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2022-03-03 18:21:25,890 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 380 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:25,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [380 Valid, 909 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:25,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2022-03-03 18:21:25,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1681. [2022-03-03 18:21:25,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1681 states, 1671 states have (on average 1.9425493716337523) internal successors, (3246), 1680 states have internal predecessors, (3246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:25,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 3246 transitions. [2022-03-03 18:21:25,906 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 3246 transitions. Word has length 65 [2022-03-03 18:21:25,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:25,906 INFO L470 AbstractCegarLoop]: Abstraction has 1681 states and 3246 transitions. [2022-03-03 18:21:25,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:25,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 3246 transitions. [2022-03-03 18:21:25,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:25,907 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:25,907 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:25,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-03-03 18:21:25,908 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:25,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:25,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1405721393, now seen corresponding path program 18 times [2022-03-03 18:21:25,908 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:25,908 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774610359] [2022-03-03 18:21:25,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:25,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:26,047 INFO 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 18:21:26,047 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:26,047 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774610359] [2022-03-03 18:21:26,047 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774610359] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:26,047 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:26,047 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:26,048 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722159223] [2022-03-03 18:21:26,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:26,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:26,048 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:26,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:26,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:26,048 INFO L87 Difference]: Start difference. First operand 1681 states and 3246 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:26,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:26,404 INFO L93 Difference]: Finished difference Result 1924 states and 3722 transitions. [2022-03-03 18:21:26,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:21:26,405 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:26,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:26,407 INFO L225 Difference]: With dead ends: 1924 [2022-03-03 18:21:26,407 INFO L226 Difference]: Without dead ends: 1924 [2022-03-03 18:21:26,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=346, Unknown=0, NotChecked=0, Total=506 [2022-03-03 18:21:26,408 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 405 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:26,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [405 Valid, 802 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:21:26,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2022-03-03 18:21:26,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1684. [2022-03-03 18:21:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1674 states have (on average 1.9426523297491038) internal successors, (3252), 1683 states have internal predecessors, (3252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 3252 transitions. [2022-03-03 18:21:26,438 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 3252 transitions. Word has length 65 [2022-03-03 18:21:26,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:26,438 INFO L470 AbstractCegarLoop]: Abstraction has 1684 states and 3252 transitions. [2022-03-03 18:21:26,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:26,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 3252 transitions. [2022-03-03 18:21:26,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:26,439 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:26,439 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:26,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-03-03 18:21:26,440 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:26,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:26,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1367890785, now seen corresponding path program 19 times [2022-03-03 18:21:26,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:26,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118218194] [2022-03-03 18:21:26,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:26,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:26,570 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 18:21:26,570 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:26,570 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118218194] [2022-03-03 18:21:26,570 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118218194] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:26,570 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:26,570 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:26,570 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751495304] [2022-03-03 18:21:26,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:26,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:26,571 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:26,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:26,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:26,571 INFO L87 Difference]: Start difference. First operand 1684 states and 3252 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:27,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:27,043 INFO L93 Difference]: Finished difference Result 1927 states and 3727 transitions. [2022-03-03 18:21:27,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:27,043 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:27,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:27,045 INFO L225 Difference]: With dead ends: 1927 [2022-03-03 18:21:27,045 INFO L226 Difference]: Without dead ends: 1927 [2022-03-03 18:21:27,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:27,047 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 399 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:27,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [399 Valid, 995 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:27,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2022-03-03 18:21:27,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1681. [2022-03-03 18:21:27,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1681 states, 1671 states have (on average 1.9425493716337523) internal successors, (3246), 1680 states have internal predecessors, (3246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:27,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 3246 transitions. [2022-03-03 18:21:27,078 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 3246 transitions. Word has length 65 [2022-03-03 18:21:27,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:27,078 INFO L470 AbstractCegarLoop]: Abstraction has 1681 states and 3246 transitions. [2022-03-03 18:21:27,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:27,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 3246 transitions. [2022-03-03 18:21:27,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:27,080 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:27,080 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:27,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-03-03 18:21:27,080 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:27,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:27,080 INFO L85 PathProgramCache]: Analyzing trace with hash 782072211, now seen corresponding path program 20 times [2022-03-03 18:21:27,080 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:27,080 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617878629] [2022-03-03 18:21:27,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:27,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:27,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:27,214 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:27,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617878629] [2022-03-03 18:21:27,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617878629] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:27,214 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:27,214 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:27,214 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447992206] [2022-03-03 18:21:27,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:27,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:27,214 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:27,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:27,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:27,215 INFO L87 Difference]: Start difference. First operand 1681 states and 3246 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:27,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:27,621 INFO L93 Difference]: Finished difference Result 1906 states and 3687 transitions. [2022-03-03 18:21:27,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:21:27,622 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:27,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:27,624 INFO L225 Difference]: With dead ends: 1906 [2022-03-03 18:21:27,624 INFO L226 Difference]: Without dead ends: 1906 [2022-03-03 18:21:27,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2022-03-03 18:21:27,624 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 387 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:27,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [387 Valid, 923 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:27,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2022-03-03 18:21:27,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 1681. [2022-03-03 18:21:27,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1681 states, 1671 states have (on average 1.9425493716337523) internal successors, (3246), 1680 states have internal predecessors, (3246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:27,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 3246 transitions. [2022-03-03 18:21:27,640 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 3246 transitions. Word has length 65 [2022-03-03 18:21:27,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:27,640 INFO L470 AbstractCegarLoop]: Abstraction has 1681 states and 3246 transitions. [2022-03-03 18:21:27,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:27,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 3246 transitions. [2022-03-03 18:21:27,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:27,641 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:27,641 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:27,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-03-03 18:21:27,641 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:27,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:27,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1991539967, now seen corresponding path program 21 times [2022-03-03 18:21:27,642 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:27,642 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527043971] [2022-03-03 18:21:27,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:27,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:27,791 INFO 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 18:21:27,791 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:27,791 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527043971] [2022-03-03 18:21:27,791 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527043971] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:27,791 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:27,792 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:27,792 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086778804] [2022-03-03 18:21:27,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:27,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:27,792 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:27,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:27,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:27,792 INFO L87 Difference]: Start difference. First operand 1681 states and 3246 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:28,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:28,241 INFO L93 Difference]: Finished difference Result 1950 states and 3773 transitions. [2022-03-03 18:21:28,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:28,242 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:28,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:28,244 INFO L225 Difference]: With dead ends: 1950 [2022-03-03 18:21:28,244 INFO L226 Difference]: Without dead ends: 1950 [2022-03-03 18:21:28,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:28,244 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 412 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:28,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [412 Valid, 939 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:28,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2022-03-03 18:21:28,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1678. [2022-03-03 18:21:28,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1678 states, 1668 states have (on average 1.9424460431654675) internal successors, (3240), 1677 states have internal predecessors, (3240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:28,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 3240 transitions. [2022-03-03 18:21:28,259 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 3240 transitions. Word has length 65 [2022-03-03 18:21:28,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:28,259 INFO L470 AbstractCegarLoop]: Abstraction has 1678 states and 3240 transitions. [2022-03-03 18:21:28,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:28,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 3240 transitions. [2022-03-03 18:21:28,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:28,260 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:28,260 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:28,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-03-03 18:21:28,260 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:28,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:28,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1604274011, now seen corresponding path program 22 times [2022-03-03 18:21:28,261 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:28,261 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497135977] [2022-03-03 18:21:28,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:28,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:28,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:28,418 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:28,419 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497135977] [2022-03-03 18:21:28,419 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497135977] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:28,419 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:28,419 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:28,419 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720680144] [2022-03-03 18:21:28,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:28,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:28,419 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:28,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:28,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:28,420 INFO L87 Difference]: Start difference. First operand 1678 states and 3240 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:28,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:28,857 INFO L93 Difference]: Finished difference Result 1938 states and 3747 transitions. [2022-03-03 18:21:28,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:28,857 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:28,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:28,859 INFO L225 Difference]: With dead ends: 1938 [2022-03-03 18:21:28,860 INFO L226 Difference]: Without dead ends: 1938 [2022-03-03 18:21:28,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:28,865 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 400 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:28,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [400 Valid, 936 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:28,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2022-03-03 18:21:28,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1645. [2022-03-03 18:21:28,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1645 states, 1635 states have (on average 1.9412844036697248) internal successors, (3174), 1644 states have internal predecessors, (3174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:28,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 3174 transitions. [2022-03-03 18:21:28,882 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 3174 transitions. Word has length 65 [2022-03-03 18:21:28,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:28,882 INFO L470 AbstractCegarLoop]: Abstraction has 1645 states and 3174 transitions. [2022-03-03 18:21:28,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:28,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 3174 transitions. [2022-03-03 18:21:28,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:28,883 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:28,883 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] [2022-03-03 18:21:28,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-03-03 18:21:28,884 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:28,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:28,885 INFO L85 PathProgramCache]: Analyzing trace with hash -40165944, now seen corresponding path program 17 times [2022-03-03 18:21:28,885 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:28,885 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18663902] [2022-03-03 18:21:28,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:28,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:29,010 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 18:21:29,010 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:29,010 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18663902] [2022-03-03 18:21:29,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18663902] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:29,010 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:29,010 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:29,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866867893] [2022-03-03 18:21:29,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:29,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:29,011 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:29,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:29,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:29,011 INFO L87 Difference]: Start difference. First operand 1645 states and 3174 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:29,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:29,568 INFO L93 Difference]: Finished difference Result 3823 states and 7335 transitions. [2022-03-03 18:21:29,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 18:21:29,568 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:29,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:29,573 INFO L225 Difference]: With dead ends: 3823 [2022-03-03 18:21:29,573 INFO L226 Difference]: Without dead ends: 3823 [2022-03-03 18:21:29,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=189, Invalid=461, Unknown=0, NotChecked=0, Total=650 [2022-03-03 18:21:29,574 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 503 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:29,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [503 Valid, 954 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:29,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3823 states. [2022-03-03 18:21:29,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3823 to 1904. [2022-03-03 18:21:29,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1904 states, 1894 states have (on average 1.9545934530095037) internal successors, (3702), 1903 states have internal predecessors, (3702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1904 states and 3702 transitions. [2022-03-03 18:21:29,613 INFO L78 Accepts]: Start accepts. Automaton has 1904 states and 3702 transitions. Word has length 65 [2022-03-03 18:21:29,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:29,614 INFO L470 AbstractCegarLoop]: Abstraction has 1904 states and 3702 transitions. [2022-03-03 18:21:29,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:29,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 3702 transitions. [2022-03-03 18:21:29,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:29,615 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:29,615 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:29,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-03-03 18:21:29,615 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:29,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:29,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1510070109, now seen corresponding path program 5 times [2022-03-03 18:21:29,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:29,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102556420] [2022-03-03 18:21:29,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:29,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:29,708 INFO 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 18:21:29,708 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:29,708 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102556420] [2022-03-03 18:21:29,708 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102556420] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:29,708 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:29,709 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:29,709 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233697678] [2022-03-03 18:21:29,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:29,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:29,709 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:29,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:29,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:29,709 INFO L87 Difference]: Start difference. First operand 1904 states and 3702 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:30,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:30,573 INFO L93 Difference]: Finished difference Result 3779 states and 7239 transitions. [2022-03-03 18:21:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-03 18:21:30,574 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:30,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:30,578 INFO L225 Difference]: With dead ends: 3779 [2022-03-03 18:21:30,578 INFO L226 Difference]: Without dead ends: 3779 [2022-03-03 18:21:30,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=359, Invalid=763, Unknown=0, NotChecked=0, Total=1122 [2022-03-03 18:21:30,578 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 509 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:30,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [509 Valid, 1760 Invalid, 1518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-03 18:21:30,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3779 states. [2022-03-03 18:21:30,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3779 to 1888. [2022-03-03 18:21:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1888 states, 1878 states have (on average 1.9520766773162939) internal successors, (3666), 1887 states have internal predecessors, (3666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1888 states and 3666 transitions. [2022-03-03 18:21:30,600 INFO L78 Accepts]: Start accepts. Automaton has 1888 states and 3666 transitions. Word has length 65 [2022-03-03 18:21:30,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:30,600 INFO L470 AbstractCegarLoop]: Abstraction has 1888 states and 3666 transitions. [2022-03-03 18:21:30,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:30,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 3666 transitions. [2022-03-03 18:21:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:30,602 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:30,602 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:30,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-03-03 18:21:30,602 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:30,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:30,602 INFO L85 PathProgramCache]: Analyzing trace with hash -677499419, now seen corresponding path program 23 times [2022-03-03 18:21:30,602 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:30,602 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262549206] [2022-03-03 18:21:30,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:30,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:30,752 INFO 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 18:21:30,752 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:30,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262549206] [2022-03-03 18:21:30,752 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262549206] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:30,752 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:30,752 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:30,752 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886541655] [2022-03-03 18:21:30,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:30,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:30,753 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:30,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:30,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:30,753 INFO L87 Difference]: Start difference. First operand 1888 states and 3666 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:31,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:31,496 INFO L93 Difference]: Finished difference Result 3662 states and 7018 transitions. [2022-03-03 18:21:31,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 18:21:31,496 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:31,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:31,502 INFO L225 Difference]: With dead ends: 3662 [2022-03-03 18:21:31,502 INFO L226 Difference]: Without dead ends: 3658 [2022-03-03 18:21:31,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=189, Invalid=461, Unknown=0, NotChecked=0, Total=650 [2022-03-03 18:21:31,502 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 498 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 1310 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:31,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [498 Valid, 1310 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-03 18:21:31,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3658 states. [2022-03-03 18:21:31,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3658 to 1881. [2022-03-03 18:21:31,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1881 states, 1871 states have (on average 1.948690539818279) internal successors, (3646), 1880 states have internal predecessors, (3646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:31,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 3646 transitions. [2022-03-03 18:21:31,527 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 3646 transitions. Word has length 65 [2022-03-03 18:21:31,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:31,527 INFO L470 AbstractCegarLoop]: Abstraction has 1881 states and 3646 transitions. [2022-03-03 18:21:31,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:31,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 3646 transitions. [2022-03-03 18:21:31,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:31,529 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:31,529 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:31,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-03-03 18:21:31,529 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:31,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:31,529 INFO L85 PathProgramCache]: Analyzing trace with hash 315136091, now seen corresponding path program 23 times [2022-03-03 18:21:31,529 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:31,529 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834019036] [2022-03-03 18:21:31,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:31,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:31,642 INFO 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 18:21:31,642 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:31,642 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834019036] [2022-03-03 18:21:31,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834019036] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:31,643 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:31,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:31,643 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188409000] [2022-03-03 18:21:31,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:31,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:31,643 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:31,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:31,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:31,644 INFO L87 Difference]: Start difference. First operand 1881 states and 3646 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:32,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:32,302 INFO L93 Difference]: Finished difference Result 3660 states and 7018 transitions. [2022-03-03 18:21:32,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:32,303 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:32,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:32,308 INFO L225 Difference]: With dead ends: 3660 [2022-03-03 18:21:32,308 INFO L226 Difference]: Without dead ends: 3660 [2022-03-03 18:21:32,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:32,309 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 470 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:32,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [470 Valid, 1250 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1052 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:21:32,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3660 states. [2022-03-03 18:21:32,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3660 to 1690. [2022-03-03 18:21:32,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1680 states have (on average 1.9428571428571428) internal successors, (3264), 1689 states have internal predecessors, (3264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:32,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 3264 transitions. [2022-03-03 18:21:32,331 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 3264 transitions. Word has length 65 [2022-03-03 18:21:32,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:32,331 INFO L470 AbstractCegarLoop]: Abstraction has 1690 states and 3264 transitions. [2022-03-03 18:21:32,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:32,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 3264 transitions. [2022-03-03 18:21:32,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:32,332 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:32,333 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:32,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-03-03 18:21:32,333 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:32,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:32,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1076186263, now seen corresponding path program 24 times [2022-03-03 18:21:32,333 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:32,333 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811059355] [2022-03-03 18:21:32,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:32,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:32,450 INFO 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 18:21:32,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:32,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811059355] [2022-03-03 18:21:32,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811059355] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:32,451 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:32,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:32,451 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308389194] [2022-03-03 18:21:32,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:32,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:32,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:32,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:32,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:32,452 INFO L87 Difference]: Start difference. First operand 1690 states and 3264 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:33,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:33,127 INFO L93 Difference]: Finished difference Result 3393 states and 6533 transitions. [2022-03-03 18:21:33,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:33,127 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:33,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:33,132 INFO L225 Difference]: With dead ends: 3393 [2022-03-03 18:21:33,132 INFO L226 Difference]: Without dead ends: 3393 [2022-03-03 18:21:33,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:33,132 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 425 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:33,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [425 Valid, 1379 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1165 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:21:33,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3393 states. [2022-03-03 18:21:33,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3393 to 1675. [2022-03-03 18:21:33,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1665 states have (on average 1.9423423423423423) internal successors, (3234), 1674 states have internal predecessors, (3234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:33,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 3234 transitions. [2022-03-03 18:21:33,158 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 3234 transitions. Word has length 65 [2022-03-03 18:21:33,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:33,158 INFO L470 AbstractCegarLoop]: Abstraction has 1675 states and 3234 transitions. [2022-03-03 18:21:33,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:33,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 3234 transitions. [2022-03-03 18:21:33,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:33,160 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:33,160 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:33,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-03-03 18:21:33,160 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:33,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:33,160 INFO L85 PathProgramCache]: Analyzing trace with hash 179995355, now seen corresponding path program 25 times [2022-03-03 18:21:33,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:33,160 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48689576] [2022-03-03 18:21:33,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:33,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:33,303 INFO 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 18:21:33,303 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:33,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48689576] [2022-03-03 18:21:33,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48689576] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:33,303 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:33,303 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:33,304 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008922150] [2022-03-03 18:21:33,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:33,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:33,304 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:33,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:33,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:33,304 INFO L87 Difference]: Start difference. First operand 1675 states and 3234 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:33,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:33,703 INFO L93 Difference]: Finished difference Result 3273 states and 6300 transitions. [2022-03-03 18:21:33,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:33,703 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:33,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:33,708 INFO L225 Difference]: With dead ends: 3273 [2022-03-03 18:21:33,708 INFO L226 Difference]: Without dead ends: 3273 [2022-03-03 18:21:33,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:33,708 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 458 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:33,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [458 Valid, 854 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:33,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3273 states. [2022-03-03 18:21:33,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3273 to 1672. [2022-03-03 18:21:33,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1662 states have (on average 1.9422382671480145) internal successors, (3228), 1671 states have internal predecessors, (3228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:33,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 3228 transitions. [2022-03-03 18:21:33,730 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 3228 transitions. Word has length 65 [2022-03-03 18:21:33,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:33,730 INFO L470 AbstractCegarLoop]: Abstraction has 1672 states and 3228 transitions. [2022-03-03 18:21:33,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:33,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 3228 transitions. [2022-03-03 18:21:33,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:33,731 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:33,731 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:33,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-03-03 18:21:33,731 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:33,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:33,731 INFO L85 PathProgramCache]: Analyzing trace with hash 175238187, now seen corresponding path program 26 times [2022-03-03 18:21:33,732 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:33,732 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243419336] [2022-03-03 18:21:33,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:33,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:33,850 INFO 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 18:21:33,850 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:33,850 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243419336] [2022-03-03 18:21:33,850 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243419336] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:33,850 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:33,850 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:33,850 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391829670] [2022-03-03 18:21:33,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:33,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:33,851 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:33,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:33,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:33,851 INFO L87 Difference]: Start difference. First operand 1672 states and 3228 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:34,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:34,415 INFO L93 Difference]: Finished difference Result 3317 states and 6386 transitions. [2022-03-03 18:21:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:34,416 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:34,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:34,421 INFO L225 Difference]: With dead ends: 3317 [2022-03-03 18:21:34,421 INFO L226 Difference]: Without dead ends: 3317 [2022-03-03 18:21:34,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=418, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:34,422 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 446 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:34,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [446 Valid, 1256 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:34,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3317 states. [2022-03-03 18:21:34,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3317 to 1669. [2022-03-03 18:21:34,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1659 states have (on average 1.942133815551537) internal successors, (3222), 1668 states have internal predecessors, (3222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:34,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 3222 transitions. [2022-03-03 18:21:34,443 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 3222 transitions. Word has length 65 [2022-03-03 18:21:34,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:34,443 INFO L470 AbstractCegarLoop]: Abstraction has 1669 states and 3222 transitions. [2022-03-03 18:21:34,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:34,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 3222 transitions. [2022-03-03 18:21:34,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:34,444 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:34,444 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:34,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-03-03 18:21:34,445 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:34,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:34,445 INFO L85 PathProgramCache]: Analyzing trace with hash -193442333, now seen corresponding path program 27 times [2022-03-03 18:21:34,445 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:34,445 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313519915] [2022-03-03 18:21:34,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:34,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:34,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:34,561 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:34,561 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313519915] [2022-03-03 18:21:34,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313519915] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:34,562 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:34,562 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:34,562 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370598114] [2022-03-03 18:21:34,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:34,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:34,562 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:34,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:34,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:34,562 INFO L87 Difference]: Start difference. First operand 1669 states and 3222 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:35,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:35,128 INFO L93 Difference]: Finished difference Result 3331 states and 6412 transitions. [2022-03-03 18:21:35,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:35,129 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:35,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:35,134 INFO L225 Difference]: With dead ends: 3331 [2022-03-03 18:21:35,134 INFO L226 Difference]: Without dead ends: 3331 [2022-03-03 18:21:35,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:35,134 INFO L933 BasicCegarLoop]: 264 mSDtfsCounter, 438 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:35,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 1224 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:35,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3331 states. [2022-03-03 18:21:35,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3331 to 1600. [2022-03-03 18:21:35,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1600 states, 1590 states have (on average 1.939622641509434) internal successors, (3084), 1599 states have internal predecessors, (3084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:35,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 3084 transitions. [2022-03-03 18:21:35,157 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 3084 transitions. Word has length 65 [2022-03-03 18:21:35,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:35,157 INFO L470 AbstractCegarLoop]: Abstraction has 1600 states and 3084 transitions. [2022-03-03 18:21:35,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:35,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 3084 transitions. [2022-03-03 18:21:35,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:35,158 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:35,158 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:35,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-03-03 18:21:35,159 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:35,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:35,159 INFO L85 PathProgramCache]: Analyzing trace with hash 991806992, now seen corresponding path program 18 times [2022-03-03 18:21:35,159 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:35,159 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153587429] [2022-03-03 18:21:35,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:35,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:35,289 INFO 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 18:21:35,289 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:35,289 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153587429] [2022-03-03 18:21:35,289 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153587429] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:35,289 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:35,289 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:35,289 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405611075] [2022-03-03 18:21:35,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:35,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:35,290 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:35,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:35,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:35,290 INFO L87 Difference]: Start difference. First operand 1600 states and 3084 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:35,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:35,800 INFO L93 Difference]: Finished difference Result 2890 states and 5544 transitions. [2022-03-03 18:21:35,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:35,800 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:35,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:35,805 INFO L225 Difference]: With dead ends: 2890 [2022-03-03 18:21:35,805 INFO L226 Difference]: Without dead ends: 2890 [2022-03-03 18:21:35,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:35,806 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 481 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:35,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [481 Valid, 979 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:35,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2890 states. [2022-03-03 18:21:35,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2890 to 1625. [2022-03-03 18:21:35,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1625 states, 1615 states have (on average 1.9405572755417957) internal successors, (3134), 1624 states have internal predecessors, (3134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:35,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1625 states and 3134 transitions. [2022-03-03 18:21:35,826 INFO L78 Accepts]: Start accepts. Automaton has 1625 states and 3134 transitions. Word has length 65 [2022-03-03 18:21:35,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:35,826 INFO L470 AbstractCegarLoop]: Abstraction has 1625 states and 3134 transitions. [2022-03-03 18:21:35,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:35,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 3134 transitions. [2022-03-03 18:21:35,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:35,827 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:35,827 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:35,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-03-03 18:21:35,827 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:35,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:35,828 INFO L85 PathProgramCache]: Analyzing trace with hash -478097173, now seen corresponding path program 6 times [2022-03-03 18:21:35,828 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:35,828 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511542789] [2022-03-03 18:21:35,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:35,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:35,918 INFO 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 18:21:35,918 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:35,918 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511542789] [2022-03-03 18:21:35,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511542789] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:35,918 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:35,918 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:35,918 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636685595] [2022-03-03 18:21:35,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:35,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:35,919 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:35,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:35,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:35,919 INFO L87 Difference]: Start difference. First operand 1625 states and 3134 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:36,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:36,624 INFO L93 Difference]: Finished difference Result 2857 states and 5471 transitions. [2022-03-03 18:21:36,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-03 18:21:36,624 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:36,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:36,628 INFO L225 Difference]: With dead ends: 2857 [2022-03-03 18:21:36,628 INFO L226 Difference]: Without dead ends: 2857 [2022-03-03 18:21:36,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=359, Invalid=763, Unknown=0, NotChecked=0, Total=1122 [2022-03-03 18:21:36,628 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 477 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:36,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [477 Valid, 1307 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:36,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2022-03-03 18:21:36,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 1550. [2022-03-03 18:21:36,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1542 states have (on average 1.9383916990920882) internal successors, (2989), 1549 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:36,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2989 transitions. [2022-03-03 18:21:36,646 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2989 transitions. Word has length 65 [2022-03-03 18:21:36,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:36,646 INFO L470 AbstractCegarLoop]: Abstraction has 1550 states and 2989 transitions. [2022-03-03 18:21:36,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:36,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2989 transitions. [2022-03-03 18:21:36,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:36,647 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:36,647 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] [2022-03-03 18:21:36,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-03-03 18:21:36,647 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:36,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:36,648 INFO L85 PathProgramCache]: Analyzing trace with hash 354473517, now seen corresponding path program 24 times [2022-03-03 18:21:36,648 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:36,648 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365186523] [2022-03-03 18:21:36,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:36,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:36,798 INFO 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 18:21:36,799 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:36,799 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365186523] [2022-03-03 18:21:36,799 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365186523] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:36,799 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:36,799 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:36,799 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112407902] [2022-03-03 18:21:36,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:36,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:36,799 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:36,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:36,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:36,800 INFO L87 Difference]: Start difference. First operand 1550 states and 2989 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:37,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:37,370 INFO L93 Difference]: Finished difference Result 2856 states and 5476 transitions. [2022-03-03 18:21:37,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:37,371 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:37,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:37,374 INFO L225 Difference]: With dead ends: 2856 [2022-03-03 18:21:37,374 INFO L226 Difference]: Without dead ends: 2852 [2022-03-03 18:21:37,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:37,374 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 481 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:37,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [481 Valid, 1113 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:37,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2022-03-03 18:21:37,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 1606. [2022-03-03 18:21:37,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1598 states have (on average 1.9405506883604506) internal successors, (3101), 1605 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:37,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 3101 transitions. [2022-03-03 18:21:37,394 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 3101 transitions. Word has length 65 [2022-03-03 18:21:37,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:37,394 INFO L470 AbstractCegarLoop]: Abstraction has 1606 states and 3101 transitions. [2022-03-03 18:21:37,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:37,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 3101 transitions. [2022-03-03 18:21:37,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:37,395 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:37,395 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:37,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-03-03 18:21:37,396 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:37,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:37,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1347109027, now seen corresponding path program 28 times [2022-03-03 18:21:37,396 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:37,396 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290319950] [2022-03-03 18:21:37,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:37,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:37,507 INFO 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 18:21:37,507 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:37,507 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290319950] [2022-03-03 18:21:37,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290319950] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:37,507 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:37,507 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:37,507 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630367694] [2022-03-03 18:21:37,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:37,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:37,508 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:37,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:37,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:37,508 INFO L87 Difference]: Start difference. First operand 1606 states and 3101 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:37,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:37,971 INFO L93 Difference]: Finished difference Result 2745 states and 5262 transitions. [2022-03-03 18:21:37,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:37,971 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:37,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:37,974 INFO L225 Difference]: With dead ends: 2745 [2022-03-03 18:21:37,974 INFO L226 Difference]: Without dead ends: 2745 [2022-03-03 18:21:37,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:37,975 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 447 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:37,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [447 Valid, 906 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:37,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2745 states. [2022-03-03 18:21:37,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2745 to 1266. [2022-03-03 18:21:37,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1261 states have (on average 1.9238699444885012) internal successors, (2426), 1265 states have internal predecessors, (2426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:37,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 2426 transitions. [2022-03-03 18:21:37,991 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 2426 transitions. Word has length 65 [2022-03-03 18:21:37,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:37,991 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 2426 transitions. [2022-03-03 18:21:37,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:37,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 2426 transitions. [2022-03-03 18:21:37,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:37,992 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:37,992 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:37,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-03-03 18:21:37,992 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:37,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:37,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1730878132, now seen corresponding path program 19 times [2022-03-03 18:21:37,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:37,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764829266] [2022-03-03 18:21:37,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:37,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:38,115 INFO 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 18:21:38,115 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:38,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764829266] [2022-03-03 18:21:38,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764829266] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:38,116 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:38,116 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:38,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172514653] [2022-03-03 18:21:38,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:38,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:38,116 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:38,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:38,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:38,116 INFO L87 Difference]: Start difference. First operand 1266 states and 2426 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:38,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:38,589 INFO L93 Difference]: Finished difference Result 2228 states and 4286 transitions. [2022-03-03 18:21:38,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:38,589 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:38,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:38,592 INFO L225 Difference]: With dead ends: 2228 [2022-03-03 18:21:38,592 INFO L226 Difference]: Without dead ends: 2228 [2022-03-03 18:21:38,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=426, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:38,592 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 412 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:38,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [412 Valid, 857 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:38,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2022-03-03 18:21:38,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1245. [2022-03-03 18:21:38,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 1240 states have (on average 1.9225806451612903) internal successors, (2384), 1244 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 2384 transitions. [2022-03-03 18:21:38,607 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 2384 transitions. Word has length 65 [2022-03-03 18:21:38,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:38,607 INFO L470 AbstractCegarLoop]: Abstraction has 1245 states and 2384 transitions. [2022-03-03 18:21:38,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 2384 transitions. [2022-03-03 18:21:38,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:38,608 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:38,608 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:38,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-03-03 18:21:38,608 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:38,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:38,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1144508400, now seen corresponding path program 20 times [2022-03-03 18:21:38,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:38,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376837972] [2022-03-03 18:21:38,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:38,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:38,754 INFO 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 18:21:38,754 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:38,754 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376837972] [2022-03-03 18:21:38,754 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376837972] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:38,754 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:38,754 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:38,754 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592160981] [2022-03-03 18:21:38,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:38,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:38,755 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:38,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:38,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:38,755 INFO L87 Difference]: Start difference. First operand 1245 states and 2384 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:39,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:39,396 INFO L93 Difference]: Finished difference Result 2186 states and 4202 transitions. [2022-03-03 18:21:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:39,396 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:39,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:39,399 INFO L225 Difference]: With dead ends: 2186 [2022-03-03 18:21:39,399 INFO L226 Difference]: Without dead ends: 2186 [2022-03-03 18:21:39,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:39,399 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 414 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 1132 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:39,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [414 Valid, 1132 Invalid, 1133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1073 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:21:39,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2186 states. [2022-03-03 18:21:39,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2186 to 1224. [2022-03-03 18:21:39,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1224 states, 1219 states have (on average 1.9212469237079572) internal successors, (2342), 1223 states have internal predecessors, (2342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:39,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 2342 transitions. [2022-03-03 18:21:39,416 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 2342 transitions. Word has length 65 [2022-03-03 18:21:39,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:39,417 INFO L470 AbstractCegarLoop]: Abstraction has 1224 states and 2342 transitions. [2022-03-03 18:21:39,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:39,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 2342 transitions. [2022-03-03 18:21:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:39,417 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:39,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:39,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-03-03 18:21:39,418 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:39,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:39,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1815474794, now seen corresponding path program 21 times [2022-03-03 18:21:39,418 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:39,418 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990182262] [2022-03-03 18:21:39,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:39,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:39,535 INFO 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 18:21:39,535 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:39,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990182262] [2022-03-03 18:21:39,536 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990182262] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:39,536 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:39,536 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:39,536 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414970964] [2022-03-03 18:21:39,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:39,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:39,536 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:39,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:39,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:39,536 INFO L87 Difference]: Start difference. First operand 1224 states and 2342 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:40,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:40,043 INFO L93 Difference]: Finished difference Result 2106 states and 4042 transitions. [2022-03-03 18:21:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:40,043 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:40,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:40,054 INFO L225 Difference]: With dead ends: 2106 [2022-03-03 18:21:40,055 INFO L226 Difference]: Without dead ends: 2106 [2022-03-03 18:21:40,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:40,055 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 420 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:40,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [420 Valid, 1003 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:40,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2022-03-03 18:21:40,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 1144. [2022-03-03 18:21:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 1139 states have (on average 1.9157155399473222) internal successors, (2182), 1143 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:40,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 2182 transitions. [2022-03-03 18:21:40,068 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 2182 transitions. Word has length 65 [2022-03-03 18:21:40,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:40,069 INFO L470 AbstractCegarLoop]: Abstraction has 1144 states and 2182 transitions. [2022-03-03 18:21:40,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:40,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 2182 transitions. [2022-03-03 18:21:40,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:40,069 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:40,069 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:40,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-03-03 18:21:40,070 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:40,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:40,070 INFO L85 PathProgramCache]: Analyzing trace with hash 64866431, now seen corresponding path program 25 times [2022-03-03 18:21:40,070 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:40,070 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143569076] [2022-03-03 18:21:40,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:40,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:40,226 INFO 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 18:21:40,226 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:40,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143569076] [2022-03-03 18:21:40,226 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143569076] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:40,226 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:40,226 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:40,226 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932122495] [2022-03-03 18:21:40,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:40,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:40,227 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:40,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:40,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:40,227 INFO L87 Difference]: Start difference. First operand 1144 states and 2182 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:40,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:40,717 INFO L93 Difference]: Finished difference Result 2121 states and 4061 transitions. [2022-03-03 18:21:40,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:21:40,717 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:40,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:40,719 INFO L225 Difference]: With dead ends: 2121 [2022-03-03 18:21:40,720 INFO L226 Difference]: Without dead ends: 2120 [2022-03-03 18:21:40,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:40,720 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 415 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:40,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [415 Valid, 1015 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:40,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2022-03-03 18:21:40,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 1141. [2022-03-03 18:21:40,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1136 states have (on average 1.9154929577464788) internal successors, (2176), 1140 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:40,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 2176 transitions. [2022-03-03 18:21:40,739 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 2176 transitions. Word has length 65 [2022-03-03 18:21:40,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:40,739 INFO L470 AbstractCegarLoop]: Abstraction has 1141 states and 2176 transitions. [2022-03-03 18:21:40,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:40,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2176 transitions. [2022-03-03 18:21:40,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:40,740 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:40,740 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:40,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-03-03 18:21:40,740 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:40,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:40,740 INFO L85 PathProgramCache]: Analyzing trace with hash 809779031, now seen corresponding path program 26 times [2022-03-03 18:21:40,740 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:40,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160051550] [2022-03-03 18:21:40,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:40,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:40,881 INFO 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 18:21:40,881 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:40,881 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160051550] [2022-03-03 18:21:40,881 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160051550] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:40,881 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:40,881 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:40,881 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415488830] [2022-03-03 18:21:40,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:40,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:40,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:40,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:40,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:40,882 INFO L87 Difference]: Start difference. First operand 1141 states and 2176 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:41,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:41,501 INFO L93 Difference]: Finished difference Result 2174 states and 4165 transitions. [2022-03-03 18:21:41,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:41,501 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:41,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:41,503 INFO L225 Difference]: With dead ends: 2174 [2022-03-03 18:21:41,503 INFO L226 Difference]: Without dead ends: 2172 [2022-03-03 18:21:41,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:41,504 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 432 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:41,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [432 Valid, 1145 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 985 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:21:41,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2022-03-03 18:21:41,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 1138. [2022-03-03 18:21:41,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 1133 states have (on average 1.9152691968225948) internal successors, (2170), 1137 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:41,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 2170 transitions. [2022-03-03 18:21:41,516 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 2170 transitions. Word has length 65 [2022-03-03 18:21:41,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:41,516 INFO L470 AbstractCegarLoop]: Abstraction has 1138 states and 2170 transitions. [2022-03-03 18:21:41,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:41,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 2170 transitions. [2022-03-03 18:21:41,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:41,517 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:41,517 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:41,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-03-03 18:21:41,517 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:41,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:41,517 INFO L85 PathProgramCache]: Analyzing trace with hash 145376289, now seen corresponding path program 27 times [2022-03-03 18:21:41,518 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:41,518 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541506563] [2022-03-03 18:21:41,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:41,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:41,656 INFO 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 18:21:41,656 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:41,656 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541506563] [2022-03-03 18:21:41,656 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541506563] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:41,656 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:41,656 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:41,656 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584692325] [2022-03-03 18:21:41,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:41,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:41,657 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:41,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:41,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:41,657 INFO L87 Difference]: Start difference. First operand 1138 states and 2170 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:42,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:42,186 INFO L93 Difference]: Finished difference Result 2227 states and 4269 transitions. [2022-03-03 18:21:42,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:42,186 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:42,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:42,189 INFO L225 Difference]: With dead ends: 2227 [2022-03-03 18:21:42,189 INFO L226 Difference]: Without dead ends: 2224 [2022-03-03 18:21:42,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:42,189 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 431 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:42,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [431 Valid, 963 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:42,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2224 states. [2022-03-03 18:21:42,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2224 to 1135. [2022-03-03 18:21:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 1130 states have (on average 1.9150442477876106) internal successors, (2164), 1134 states have internal predecessors, (2164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:42,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 2164 transitions. [2022-03-03 18:21:42,203 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 2164 transitions. Word has length 65 [2022-03-03 18:21:42,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:42,203 INFO L470 AbstractCegarLoop]: Abstraction has 1135 states and 2164 transitions. [2022-03-03 18:21:42,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:42,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 2164 transitions. [2022-03-03 18:21:42,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:42,204 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:42,204 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] [2022-03-03 18:21:42,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-03-03 18:21:42,204 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:42,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:42,205 INFO L85 PathProgramCache]: Analyzing trace with hash -994358219, now seen corresponding path program 28 times [2022-03-03 18:21:42,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:42,205 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577911652] [2022-03-03 18:21:42,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:42,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:42,354 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:42,354 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577911652] [2022-03-03 18:21:42,354 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577911652] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:42,354 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:42,354 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 18:21:42,354 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756473707] [2022-03-03 18:21:42,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:42,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-03 18:21:42,354 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:42,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-03 18:21:42,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:42,355 INFO L87 Difference]: Start difference. First operand 1135 states and 2164 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:42,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:42,978 INFO L93 Difference]: Finished difference Result 2156 states and 4131 transitions. [2022-03-03 18:21:42,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:42,979 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:42,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:42,981 INFO L225 Difference]: With dead ends: 2156 [2022-03-03 18:21:42,981 INFO L226 Difference]: Without dead ends: 2152 [2022-03-03 18:21:42,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=426, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:21:42,981 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 415 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:42,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [415 Valid, 1116 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:21:42,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2152 states. [2022-03-03 18:21:42,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2152 to 987. [2022-03-03 18:21:42,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 987 states, 984 states have (on average 1.9044715447154472) internal successors, (1874), 986 states have internal predecessors, (1874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:42,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 987 states and 1874 transitions. [2022-03-03 18:21:42,993 INFO L78 Accepts]: Start accepts. Automaton has 987 states and 1874 transitions. Word has length 65 [2022-03-03 18:21:42,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:42,993 INFO L470 AbstractCegarLoop]: Abstraction has 987 states and 1874 transitions. [2022-03-03 18:21:42,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 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 18:21:42,993 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1874 transitions. [2022-03-03 18:21:42,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:42,993 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:42,994 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:42,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-03-03 18:21:42,994 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:42,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:42,994 INFO L85 PathProgramCache]: Analyzing trace with hash -760066668, now seen corresponding path program 1 times [2022-03-03 18:21:42,994 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:42,994 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999797297] [2022-03-03 18:21:42,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:42,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:43,039 INFO 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 18:21:43,039 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:43,040 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999797297] [2022-03-03 18:21:43,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999797297] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:43,040 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:43,040 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:21:43,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433599668] [2022-03-03 18:21:43,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:43,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:21:43,040 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:43,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:21:43,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:43,041 INFO L87 Difference]: Start difference. First operand 987 states and 1874 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 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 18:21:43,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:43,159 INFO L93 Difference]: Finished difference Result 1021 states and 1926 transitions. [2022-03-03 18:21:43,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:21:43,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 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 18:21:43,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:43,161 INFO L225 Difference]: With dead ends: 1021 [2022-03-03 18:21:43,161 INFO L226 Difference]: Without dead ends: 797 [2022-03-03 18:21:43,161 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 18:21:43,161 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 81 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:43,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 427 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 18:21:43,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2022-03-03 18:21:43,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 793. [2022-03-03 18:21:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 790 states have (on average 1.8759493670886076) internal successors, (1482), 792 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1482 transitions. [2022-03-03 18:21:43,168 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1482 transitions. Word has length 65 [2022-03-03 18:21:43,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:43,168 INFO L470 AbstractCegarLoop]: Abstraction has 793 states and 1482 transitions. [2022-03-03 18:21:43,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 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 18:21:43,168 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1482 transitions. [2022-03-03 18:21:43,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:43,169 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:43,169 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:43,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-03-03 18:21:43,169 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:43,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:43,170 INFO L85 PathProgramCache]: Analyzing trace with hash -767493512, now seen corresponding path program 1 times [2022-03-03 18:21:43,170 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:43,170 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231133398] [2022-03-03 18:21:43,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:43,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:43,480 INFO 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 18:21:43,480 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:43,480 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231133398] [2022-03-03 18:21:43,480 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231133398] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:43,480 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:43,480 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:43,480 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085205084] [2022-03-03 18:21:43,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:43,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:43,481 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:43,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:43,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:43,481 INFO L87 Difference]: Start difference. First operand 793 states and 1482 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:44,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:44,162 INFO L93 Difference]: Finished difference Result 1420 states and 2645 transitions. [2022-03-03 18:21:44,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:44,162 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:44,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:44,164 INFO L225 Difference]: With dead ends: 1420 [2022-03-03 18:21:44,164 INFO L226 Difference]: Without dead ends: 1391 [2022-03-03 18:21:44,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:21:44,164 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 669 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:44,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [669 Valid, 864 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:44,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2022-03-03 18:21:44,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1177. [2022-03-03 18:21:44,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 1174 states have (on average 1.8960817717206133) internal successors, (2226), 1176 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 2226 transitions. [2022-03-03 18:21:44,175 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 2226 transitions. Word has length 82 [2022-03-03 18:21:44,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:44,175 INFO L470 AbstractCegarLoop]: Abstraction has 1177 states and 2226 transitions. [2022-03-03 18:21:44,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:44,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 2226 transitions. [2022-03-03 18:21:44,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:44,176 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:44,176 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:44,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-03-03 18:21:44,176 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:44,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:44,177 INFO L85 PathProgramCache]: Analyzing trace with hash -187802624, now seen corresponding path program 1 times [2022-03-03 18:21:44,177 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:44,177 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630554215] [2022-03-03 18:21:44,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:44,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:44,290 INFO 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 18:21:44,290 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:44,290 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630554215] [2022-03-03 18:21:44,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630554215] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:44,290 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:44,290 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:21:44,290 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464276259] [2022-03-03 18:21:44,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:44,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:21:44,291 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:44,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:21:44,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:21:44,291 INFO L87 Difference]: Start difference. First operand 1177 states and 2226 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:44,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:44,566 INFO L93 Difference]: Finished difference Result 1280 states and 2406 transitions. [2022-03-03 18:21:44,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:21:44,566 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:44,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:44,567 INFO L225 Difference]: With dead ends: 1280 [2022-03-03 18:21:44,567 INFO L226 Difference]: Without dead ends: 886 [2022-03-03 18:21:44,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2022-03-03 18:21:44,568 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 398 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:44,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [398 Valid, 618 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:21:44,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2022-03-03 18:21:44,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 867. [2022-03-03 18:21:44,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 864 states have (on average 1.8576388888888888) internal successors, (1605), 866 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:44,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1605 transitions. [2022-03-03 18:21:44,575 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1605 transitions. Word has length 82 [2022-03-03 18:21:44,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:44,575 INFO L470 AbstractCegarLoop]: Abstraction has 867 states and 1605 transitions. [2022-03-03 18:21:44,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:44,575 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1605 transitions. [2022-03-03 18:21:44,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:44,576 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:44,576 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:44,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-03-03 18:21:44,576 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:44,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:44,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1022493262, now seen corresponding path program 2 times [2022-03-03 18:21:44,577 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:44,577 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959706576] [2022-03-03 18:21:44,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:44,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:44,844 INFO 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 18:21:44,844 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:44,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959706576] [2022-03-03 18:21:44,844 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959706576] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:44,844 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:44,844 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:44,844 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482827906] [2022-03-03 18:21:44,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:44,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:44,844 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:44,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:44,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:44,845 INFO L87 Difference]: Start difference. First operand 867 states and 1605 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:45,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:45,504 INFO L93 Difference]: Finished difference Result 1187 states and 2148 transitions. [2022-03-03 18:21:45,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:45,505 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:45,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:45,506 INFO L225 Difference]: With dead ends: 1187 [2022-03-03 18:21:45,506 INFO L226 Difference]: Without dead ends: 1083 [2022-03-03 18:21:45,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:21:45,506 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 539 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:45,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [539 Valid, 836 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:45,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2022-03-03 18:21:45,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 870. [2022-03-03 18:21:45,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 867 states have (on average 1.8569780853517879) internal successors, (1610), 869 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:45,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1610 transitions. [2022-03-03 18:21:45,514 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1610 transitions. Word has length 82 [2022-03-03 18:21:45,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:45,514 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1610 transitions. [2022-03-03 18:21:45,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:45,514 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1610 transitions. [2022-03-03 18:21:45,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:45,515 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:45,515 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:45,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-03-03 18:21:45,516 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:45,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:45,516 INFO L85 PathProgramCache]: Analyzing trace with hash -940231638, now seen corresponding path program 3 times [2022-03-03 18:21:45,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:45,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484805765] [2022-03-03 18:21:45,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:45,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:45,783 INFO 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 18:21:45,783 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:45,783 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484805765] [2022-03-03 18:21:45,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484805765] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:45,783 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:45,783 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:45,783 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122103576] [2022-03-03 18:21:45,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:45,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:45,784 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:45,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:45,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:45,784 INFO L87 Difference]: Start difference. First operand 870 states and 1610 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:46,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:46,423 INFO L93 Difference]: Finished difference Result 1135 states and 2045 transitions. [2022-03-03 18:21:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:46,424 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:46,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:46,425 INFO L225 Difference]: With dead ends: 1135 [2022-03-03 18:21:46,425 INFO L226 Difference]: Without dead ends: 1057 [2022-03-03 18:21:46,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:21:46,425 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 546 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:46,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [546 Valid, 829 Invalid, 890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:46,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2022-03-03 18:21:46,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 873. [2022-03-03 18:21:46,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 870 states have (on average 1.8563218390804597) internal successors, (1615), 872 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:46,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1615 transitions. [2022-03-03 18:21:46,433 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1615 transitions. Word has length 82 [2022-03-03 18:21:46,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:46,433 INFO L470 AbstractCegarLoop]: Abstraction has 873 states and 1615 transitions. [2022-03-03 18:21:46,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:46,433 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1615 transitions. [2022-03-03 18:21:46,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:46,434 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:46,434 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:46,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-03-03 18:21:46,434 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:46,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:46,434 INFO L85 PathProgramCache]: Analyzing trace with hash -381348624, now seen corresponding path program 4 times [2022-03-03 18:21:46,435 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:46,435 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562571292] [2022-03-03 18:21:46,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:46,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:46,724 INFO 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 18:21:46,725 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:46,725 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562571292] [2022-03-03 18:21:46,725 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562571292] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:46,725 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:46,725 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:46,725 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603689730] [2022-03-03 18:21:46,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:46,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:46,725 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:46,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:46,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:46,726 INFO L87 Difference]: Start difference. First operand 873 states and 1615 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:47,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:47,330 INFO L93 Difference]: Finished difference Result 1052 states and 1908 transitions. [2022-03-03 18:21:47,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 18:21:47,330 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:47,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:47,331 INFO L225 Difference]: With dead ends: 1052 [2022-03-03 18:21:47,332 INFO L226 Difference]: Without dead ends: 955 [2022-03-03 18:21:47,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=236, Invalid=576, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:21:47,332 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 521 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:47,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [521 Valid, 760 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:47,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2022-03-03 18:21:47,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 834. [2022-03-03 18:21:47,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 831 states have (on average 1.851985559566787) internal successors, (1539), 833 states have internal predecessors, (1539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:47,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1539 transitions. [2022-03-03 18:21:47,339 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1539 transitions. Word has length 82 [2022-03-03 18:21:47,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:47,339 INFO L470 AbstractCegarLoop]: Abstraction has 834 states and 1539 transitions. [2022-03-03 18:21:47,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:47,340 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1539 transitions. [2022-03-03 18:21:47,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:47,340 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:47,340 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:47,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-03-03 18:21:47,341 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:47,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:47,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1058228294, now seen corresponding path program 5 times [2022-03-03 18:21:47,341 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:47,341 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472465593] [2022-03-03 18:21:47,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:47,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:47,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:47,667 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:47,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472465593] [2022-03-03 18:21:47,667 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472465593] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:47,667 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:47,667 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:47,667 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405452167] [2022-03-03 18:21:47,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:47,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:47,667 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:47,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:47,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:47,668 INFO L87 Difference]: Start difference. First operand 834 states and 1539 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:48,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:48,391 INFO L93 Difference]: Finished difference Result 1126 states and 2033 transitions. [2022-03-03 18:21:48,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:48,391 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:48,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:48,393 INFO L225 Difference]: With dead ends: 1126 [2022-03-03 18:21:48,393 INFO L226 Difference]: Without dead ends: 1022 [2022-03-03 18:21:48,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=213, Invalid=543, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:21:48,393 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 531 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:48,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [531 Valid, 940 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:48,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2022-03-03 18:21:48,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 837. [2022-03-03 18:21:48,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 834 states have (on average 1.8513189448441247) internal successors, (1544), 836 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:48,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1544 transitions. [2022-03-03 18:21:48,400 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1544 transitions. Word has length 82 [2022-03-03 18:21:48,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:48,400 INFO L470 AbstractCegarLoop]: Abstraction has 837 states and 1544 transitions. [2022-03-03 18:21:48,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:48,401 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1544 transitions. [2022-03-03 18:21:48,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:48,401 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:48,401 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:48,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-03-03 18:21:48,402 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:48,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:48,402 INFO L85 PathProgramCache]: Analyzing trace with hash -904496606, now seen corresponding path program 6 times [2022-03-03 18:21:48,402 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:48,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200009486] [2022-03-03 18:21:48,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:48,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:48,676 INFO 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 18:21:48,676 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:48,676 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200009486] [2022-03-03 18:21:48,676 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200009486] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:48,676 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:48,677 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:48,677 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797651211] [2022-03-03 18:21:48,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:48,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:48,677 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:48,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:48,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:48,677 INFO L87 Difference]: Start difference. First operand 837 states and 1544 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:49,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:49,388 INFO L93 Difference]: Finished difference Result 1095 states and 1965 transitions. [2022-03-03 18:21:49,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:49,388 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:49,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:49,389 INFO L225 Difference]: With dead ends: 1095 [2022-03-03 18:21:49,389 INFO L226 Difference]: Without dead ends: 1017 [2022-03-03 18:21:49,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:21:49,390 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 497 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:49,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 1000 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:49,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2022-03-03 18:21:49,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 840. [2022-03-03 18:21:49,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 837 states have (on average 1.8506571087216248) internal successors, (1549), 839 states have internal predecessors, (1549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:49,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1549 transitions. [2022-03-03 18:21:49,396 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1549 transitions. Word has length 82 [2022-03-03 18:21:49,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:49,396 INFO L470 AbstractCegarLoop]: Abstraction has 840 states and 1549 transitions. [2022-03-03 18:21:49,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:49,397 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1549 transitions. [2022-03-03 18:21:49,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:49,397 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:49,397 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:49,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-03-03 18:21:49,398 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:49,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:49,398 INFO L85 PathProgramCache]: Analyzing trace with hash -345613592, now seen corresponding path program 7 times [2022-03-03 18:21:49,398 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:49,398 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489906927] [2022-03-03 18:21:49,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:49,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:49,664 INFO 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 18:21:49,664 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:49,664 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489906927] [2022-03-03 18:21:49,664 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489906927] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:49,664 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:49,664 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:49,664 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627576275] [2022-03-03 18:21:49,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:49,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:49,664 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:49,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:49,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:49,665 INFO L87 Difference]: Start difference. First operand 840 states and 1549 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:50,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:50,309 INFO L93 Difference]: Finished difference Result 1012 states and 1828 transitions. [2022-03-03 18:21:50,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 18:21:50,310 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:50,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:50,311 INFO L225 Difference]: With dead ends: 1012 [2022-03-03 18:21:50,311 INFO L226 Difference]: Without dead ends: 948 [2022-03-03 18:21:50,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=236, Invalid=576, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:21:50,311 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 502 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:50,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [502 Valid, 824 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:50,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2022-03-03 18:21:50,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 834. [2022-03-03 18:21:50,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 831 states have (on average 1.8507821901323707) internal successors, (1538), 833 states have internal predecessors, (1538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1538 transitions. [2022-03-03 18:21:50,318 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1538 transitions. Word has length 82 [2022-03-03 18:21:50,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:50,318 INFO L470 AbstractCegarLoop]: Abstraction has 834 states and 1538 transitions. [2022-03-03 18:21:50,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:50,319 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1538 transitions. [2022-03-03 18:21:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:50,319 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:50,319 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:50,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-03-03 18:21:50,320 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:50,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:50,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1035063566, now seen corresponding path program 8 times [2022-03-03 18:21:50,320 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:50,320 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970313899] [2022-03-03 18:21:50,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:50,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:50,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:50,589 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:50,589 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970313899] [2022-03-03 18:21:50,589 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970313899] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:50,589 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:50,589 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:50,590 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657325297] [2022-03-03 18:21:50,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:50,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:50,590 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:50,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:50,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:50,590 INFO L87 Difference]: Start difference. First operand 834 states and 1538 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:51,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:51,254 INFO L93 Difference]: Finished difference Result 1071 states and 1924 transitions. [2022-03-03 18:21:51,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:51,254 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:51,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:51,255 INFO L225 Difference]: With dead ends: 1071 [2022-03-03 18:21:51,255 INFO L226 Difference]: Without dead ends: 993 [2022-03-03 18:21:51,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:21:51,256 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 542 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:51,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [542 Valid, 795 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:51,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2022-03-03 18:21:51,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 837. [2022-03-03 18:21:51,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 834 states have (on average 1.8501199040767387) internal successors, (1543), 836 states have internal predecessors, (1543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:51,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1543 transitions. [2022-03-03 18:21:51,263 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1543 transitions. Word has length 82 [2022-03-03 18:21:51,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:51,263 INFO L470 AbstractCegarLoop]: Abstraction has 837 states and 1543 transitions. [2022-03-03 18:21:51,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:51,264 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1543 transitions. [2022-03-03 18:21:51,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:51,265 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:51,266 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] [2022-03-03 18:21:51,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-03-03 18:21:51,266 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:51,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:51,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1593946580, now seen corresponding path program 9 times [2022-03-03 18:21:51,266 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:51,266 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489015141] [2022-03-03 18:21:51,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:51,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:51,557 INFO 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 18:21:51,557 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:51,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489015141] [2022-03-03 18:21:51,557 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489015141] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:51,558 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:51,558 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:51,558 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553480140] [2022-03-03 18:21:51,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:51,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:51,558 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:51,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:51,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:51,558 INFO L87 Difference]: Start difference. First operand 837 states and 1543 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:52,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:52,191 INFO L93 Difference]: Finished difference Result 1002 states and 1808 transitions. [2022-03-03 18:21:52,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 18:21:52,191 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:52,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:52,192 INFO L225 Difference]: With dead ends: 1002 [2022-03-03 18:21:52,192 INFO L226 Difference]: Without dead ends: 941 [2022-03-03 18:21:52,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=238, Invalid=574, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:21:52,193 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 538 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:52,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [538 Valid, 694 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:52,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2022-03-03 18:21:52,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 834. [2022-03-03 18:21:52,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 831 states have (on average 1.8495788206979542) internal successors, (1537), 833 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:52,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1537 transitions. [2022-03-03 18:21:52,200 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1537 transitions. Word has length 82 [2022-03-03 18:21:52,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:52,200 INFO L470 AbstractCegarLoop]: Abstraction has 834 states and 1537 transitions. [2022-03-03 18:21:52,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1537 transitions. [2022-03-03 18:21:52,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:52,201 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:52,201 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:52,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-03-03 18:21:52,201 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:52,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:52,201 INFO L85 PathProgramCache]: Analyzing trace with hash -2062907450, now seen corresponding path program 10 times [2022-03-03 18:21:52,201 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:52,201 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637762855] [2022-03-03 18:21:52,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:52,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:52,479 INFO 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 18:21:52,479 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:52,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637762855] [2022-03-03 18:21:52,479 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637762855] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:52,479 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:52,479 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:52,480 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027132672] [2022-03-03 18:21:52,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:52,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:52,480 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:52,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:52,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:52,480 INFO L87 Difference]: Start difference. First operand 834 states and 1537 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:53,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:53,336 INFO L93 Difference]: Finished difference Result 976 states and 1764 transitions. [2022-03-03 18:21:53,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 18:21:53,336 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:53,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:53,337 INFO L225 Difference]: With dead ends: 976 [2022-03-03 18:21:53,337 INFO L226 Difference]: Without dead ends: 688 [2022-03-03 18:21:53,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=242, Invalid=570, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:21:53,337 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 573 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:53,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [573 Valid, 1048 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:21:53,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2022-03-03 18:21:53,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 632. [2022-03-03 18:21:53,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 630 states have (on average 1.8126984126984127) internal successors, (1142), 631 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 1142 transitions. [2022-03-03 18:21:53,342 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 1142 transitions. Word has length 82 [2022-03-03 18:21:53,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:53,343 INFO L470 AbstractCegarLoop]: Abstraction has 632 states and 1142 transitions. [2022-03-03 18:21:53,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:53,343 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1142 transitions. [2022-03-03 18:21:53,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:53,343 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:53,343 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:53,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-03-03 18:21:53,344 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:53,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:53,344 INFO L85 PathProgramCache]: Analyzing trace with hash -877197512, now seen corresponding path program 11 times [2022-03-03 18:21:53,344 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:53,344 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670050820] [2022-03-03 18:21:53,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:53,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:53,638 INFO 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 18:21:53,638 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:53,638 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670050820] [2022-03-03 18:21:53,638 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670050820] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:53,638 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:53,638 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:53,638 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204360128] [2022-03-03 18:21:53,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:53,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:53,639 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:53,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:53,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:53,639 INFO L87 Difference]: Start difference. First operand 632 states and 1142 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:54,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:54,249 INFO L93 Difference]: Finished difference Result 1389 states and 2531 transitions. [2022-03-03 18:21:54,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:54,249 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:54,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:54,251 INFO L225 Difference]: With dead ends: 1389 [2022-03-03 18:21:54,251 INFO L226 Difference]: Without dead ends: 1131 [2022-03-03 18:21:54,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:21:54,251 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 739 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:54,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [739 Valid, 723 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:54,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2022-03-03 18:21:54,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 683. [2022-03-03 18:21:54,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 681 states have (on average 1.8061674008810573) internal successors, (1230), 682 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:54,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1230 transitions. [2022-03-03 18:21:54,258 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1230 transitions. Word has length 82 [2022-03-03 18:21:54,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:54,258 INFO L470 AbstractCegarLoop]: Abstraction has 683 states and 1230 transitions. [2022-03-03 18:21:54,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1230 transitions. [2022-03-03 18:21:54,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:54,258 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:54,259 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:54,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-03-03 18:21:54,259 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:54,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:54,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1474550656, now seen corresponding path program 2 times [2022-03-03 18:21:54,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:54,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482081432] [2022-03-03 18:21:54,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:54,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:54,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:54,414 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:54,414 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482081432] [2022-03-03 18:21:54,414 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482081432] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:54,414 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:54,414 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:21:54,414 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82549149] [2022-03-03 18:21:54,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:54,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:21:54,414 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:54,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:21:54,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:21:54,415 INFO L87 Difference]: Start difference. First operand 683 states and 1230 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:54,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:54,747 INFO L93 Difference]: Finished difference Result 781 states and 1380 transitions. [2022-03-03 18:21:54,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:21:54,747 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:54,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:54,748 INFO L225 Difference]: With dead ends: 781 [2022-03-03 18:21:54,748 INFO L226 Difference]: Without dead ends: 756 [2022-03-03 18:21:54,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-03-03 18:21:54,748 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 319 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:54,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 616 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:21:54,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2022-03-03 18:21:54,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 692. [2022-03-03 18:21:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 690 states have (on average 1.8043478260869565) internal successors, (1245), 691 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1245 transitions. [2022-03-03 18:21:54,754 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1245 transitions. Word has length 82 [2022-03-03 18:21:54,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:54,754 INFO L470 AbstractCegarLoop]: Abstraction has 692 states and 1245 transitions. [2022-03-03 18:21:54,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:54,754 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1245 transitions. [2022-03-03 18:21:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:54,755 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:54,755 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:54,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-03-03 18:21:54,755 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:54,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:54,755 INFO L85 PathProgramCache]: Analyzing trace with hash 460891628, now seen corresponding path program 3 times [2022-03-03 18:21:54,755 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:54,756 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367407401] [2022-03-03 18:21:54,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:54,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:54,905 INFO 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 18:21:54,905 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:54,905 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367407401] [2022-03-03 18:21:54,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367407401] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:54,905 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:54,905 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:21:54,905 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627615722] [2022-03-03 18:21:54,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:54,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:21:54,906 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:54,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:21:54,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:21:54,906 INFO L87 Difference]: Start difference. First operand 692 states and 1245 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:55,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:55,209 INFO L93 Difference]: Finished difference Result 800 states and 1417 transitions. [2022-03-03 18:21:55,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:21:55,209 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:55,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:55,210 INFO L225 Difference]: With dead ends: 800 [2022-03-03 18:21:55,210 INFO L226 Difference]: Without dead ends: 753 [2022-03-03 18:21:55,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:21:55,210 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 343 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:55,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 512 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:21:55,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2022-03-03 18:21:55,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 689. [2022-03-03 18:21:55,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 687 states have (on average 1.8034934497816595) internal successors, (1239), 688 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:55,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 1239 transitions. [2022-03-03 18:21:55,229 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 1239 transitions. Word has length 82 [2022-03-03 18:21:55,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:55,229 INFO L470 AbstractCegarLoop]: Abstraction has 689 states and 1239 transitions. [2022-03-03 18:21:55,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:55,229 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1239 transitions. [2022-03-03 18:21:55,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:55,229 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:55,230 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] [2022-03-03 18:21:55,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-03-03 18:21:55,230 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:55,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:55,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1120318818, now seen corresponding path program 4 times [2022-03-03 18:21:55,230 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:55,230 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317521157] [2022-03-03 18:21:55,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:55,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:55,371 INFO 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 18:21:55,371 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:55,372 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317521157] [2022-03-03 18:21:55,372 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317521157] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:55,372 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:55,372 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:21:55,372 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825675846] [2022-03-03 18:21:55,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:55,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:21:55,372 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:55,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:21:55,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:21:55,372 INFO L87 Difference]: Start difference. First operand 689 states and 1239 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:55,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:55,641 INFO L93 Difference]: Finished difference Result 819 states and 1454 transitions. [2022-03-03 18:21:55,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:21:55,642 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:55,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:55,642 INFO L225 Difference]: With dead ends: 819 [2022-03-03 18:21:55,642 INFO L226 Difference]: Without dead ends: 750 [2022-03-03 18:21:55,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:21:55,643 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 338 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:55,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 502 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:21:55,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2022-03-03 18:21:55,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 686. [2022-03-03 18:21:55,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 684 states have (on average 1.8026315789473684) internal successors, (1233), 685 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:55,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1233 transitions. [2022-03-03 18:21:55,649 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1233 transitions. Word has length 82 [2022-03-03 18:21:55,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:55,649 INFO L470 AbstractCegarLoop]: Abstraction has 686 states and 1233 transitions. [2022-03-03 18:21:55,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:55,650 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1233 transitions. [2022-03-03 18:21:55,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:55,650 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:55,650 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:55,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-03-03 18:21:55,650 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:55,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:55,651 INFO L85 PathProgramCache]: Analyzing trace with hash -223346702, now seen corresponding path program 5 times [2022-03-03 18:21:55,651 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:55,651 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493133788] [2022-03-03 18:21:55,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:55,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:55,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:55,809 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:55,809 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493133788] [2022-03-03 18:21:55,809 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493133788] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:55,809 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:55,809 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:21:55,809 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534356194] [2022-03-03 18:21:55,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:55,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:21:55,810 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:55,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:21:55,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:21:55,810 INFO L87 Difference]: Start difference. First operand 686 states and 1233 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:56,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:56,123 INFO L93 Difference]: Finished difference Result 794 states and 1414 transitions. [2022-03-03 18:21:56,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:21:56,124 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:56,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:56,124 INFO L225 Difference]: With dead ends: 794 [2022-03-03 18:21:56,125 INFO L226 Difference]: Without dead ends: 640 [2022-03-03 18:21:56,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:21:56,125 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 341 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:56,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [341 Valid, 658 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:21:56,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2022-03-03 18:21:56,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 620. [2022-03-03 18:21:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 618 states have (on average 1.7993527508090614) internal successors, (1112), 619 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:56,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 1112 transitions. [2022-03-03 18:21:56,130 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 1112 transitions. Word has length 82 [2022-03-03 18:21:56,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:56,130 INFO L470 AbstractCegarLoop]: Abstraction has 620 states and 1112 transitions. [2022-03-03 18:21:56,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:56,130 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1112 transitions. [2022-03-03 18:21:56,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:56,131 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:56,131 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:56,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-03-03 18:21:56,131 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:56,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:56,131 INFO L85 PathProgramCache]: Analyzing trace with hash 90577038, now seen corresponding path program 12 times [2022-03-03 18:21:56,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:56,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872926333] [2022-03-03 18:21:56,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:56,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:56,507 INFO 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 18:21:56,507 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:56,507 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872926333] [2022-03-03 18:21:56,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872926333] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:56,507 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:56,507 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:56,507 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710682740] [2022-03-03 18:21:56,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:56,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:56,508 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:56,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:56,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:56,508 INFO L87 Difference]: Start difference. First operand 620 states and 1112 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:57,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:57,077 INFO L93 Difference]: Finished difference Result 1040 states and 1875 transitions. [2022-03-03 18:21:57,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:57,077 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:57,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:57,078 INFO L225 Difference]: With dead ends: 1040 [2022-03-03 18:21:57,078 INFO L226 Difference]: Without dead ends: 782 [2022-03-03 18:21:57,078 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:21:57,078 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 670 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:57,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [670 Valid, 677 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:57,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2022-03-03 18:21:57,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 653. [2022-03-03 18:21:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 651 states have (on average 1.792626728110599) internal successors, (1167), 652 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 1167 transitions. [2022-03-03 18:21:57,084 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 1167 transitions. Word has length 82 [2022-03-03 18:21:57,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:57,084 INFO L470 AbstractCegarLoop]: Abstraction has 653 states and 1167 transitions. [2022-03-03 18:21:57,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1167 transitions. [2022-03-03 18:21:57,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:57,085 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:57,085 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:57,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-03-03 18:21:57,085 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:57,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:57,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1457399598, now seen corresponding path program 13 times [2022-03-03 18:21:57,085 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:57,085 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553837489] [2022-03-03 18:21:57,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:57,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:57,335 INFO 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 18:21:57,336 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:57,336 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553837489] [2022-03-03 18:21:57,336 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553837489] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:57,336 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:57,336 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:57,336 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509967902] [2022-03-03 18:21:57,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:57,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:57,336 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:57,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:57,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:57,337 INFO L87 Difference]: Start difference. First operand 653 states and 1167 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:57,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:57,904 INFO L93 Difference]: Finished difference Result 860 states and 1516 transitions. [2022-03-03 18:21:57,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:57,904 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:57,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:57,905 INFO L225 Difference]: With dead ends: 860 [2022-03-03 18:21:57,905 INFO L226 Difference]: Without dead ends: 756 [2022-03-03 18:21:57,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=208, Invalid=548, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:21:57,905 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 553 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:57,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [553 Valid, 716 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:57,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2022-03-03 18:21:57,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 656. [2022-03-03 18:21:57,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 654 states have (on average 1.7920489296636086) internal successors, (1172), 655 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:57,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1172 transitions. [2022-03-03 18:21:57,911 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1172 transitions. Word has length 82 [2022-03-03 18:21:57,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:57,911 INFO L470 AbstractCegarLoop]: Abstraction has 656 states and 1172 transitions. [2022-03-03 18:21:57,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:57,911 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1172 transitions. [2022-03-03 18:21:57,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:57,912 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:57,912 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:57,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-03-03 18:21:57,912 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:57,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:57,912 INFO L85 PathProgramCache]: Analyzing trace with hash 874842798, now seen corresponding path program 14 times [2022-03-03 18:21:57,912 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:57,912 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043183487] [2022-03-03 18:21:57,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:57,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:58,196 INFO 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 18:21:58,196 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:58,197 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043183487] [2022-03-03 18:21:58,197 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043183487] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:58,197 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:58,197 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:58,197 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153241114] [2022-03-03 18:21:58,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:58,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:58,197 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:58,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:58,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:58,198 INFO L87 Difference]: Start difference. First operand 656 states and 1172 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:58,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:58,776 INFO L93 Difference]: Finished difference Result 808 states and 1413 transitions. [2022-03-03 18:21:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:21:58,776 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:58,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:58,777 INFO L225 Difference]: With dead ends: 808 [2022-03-03 18:21:58,777 INFO L226 Difference]: Without dead ends: 730 [2022-03-03 18:21:58,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:21:58,778 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 525 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:58,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [525 Valid, 794 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:58,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2022-03-03 18:21:58,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 659. [2022-03-03 18:21:58,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 657 states have (on average 1.791476407914764) internal successors, (1177), 658 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:58,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 1177 transitions. [2022-03-03 18:21:58,783 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 1177 transitions. Word has length 82 [2022-03-03 18:21:58,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:58,783 INFO L470 AbstractCegarLoop]: Abstraction has 659 states and 1177 transitions. [2022-03-03 18:21:58,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:58,783 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1177 transitions. [2022-03-03 18:21:58,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:58,784 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:58,784 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:58,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-03-03 18:21:58,784 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:58,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:58,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1433725812, now seen corresponding path program 15 times [2022-03-03 18:21:58,784 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:58,784 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503419268] [2022-03-03 18:21:58,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:58,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:59,054 INFO 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 18:21:59,054 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:59,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503419268] [2022-03-03 18:21:59,055 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503419268] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:59,055 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:59,055 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:59,055 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727740978] [2022-03-03 18:21:59,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:59,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:59,055 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:59,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:59,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:59,056 INFO L87 Difference]: Start difference. First operand 659 states and 1177 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:59,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:59,593 INFO L93 Difference]: Finished difference Result 725 states and 1276 transitions. [2022-03-03 18:21:59,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 18:21:59,594 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:21:59,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:59,595 INFO L225 Difference]: With dead ends: 725 [2022-03-03 18:21:59,595 INFO L226 Difference]: Without dead ends: 607 [2022-03-03 18:21:59,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=233, Invalid=579, Unknown=0, NotChecked=0, Total=812 [2022-03-03 18:21:59,595 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 530 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:59,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [530 Valid, 700 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:21:59,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2022-03-03 18:21:59,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 599. [2022-03-03 18:21:59,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 597 states have (on average 1.797319932998325) internal successors, (1073), 598 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:59,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1073 transitions. [2022-03-03 18:21:59,600 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1073 transitions. Word has length 82 [2022-03-03 18:21:59,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:59,600 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 1073 transitions. [2022-03-03 18:21:59,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:59,600 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1073 transitions. [2022-03-03 18:21:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:21:59,601 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:59,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:21:59,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-03-03 18:21:59,601 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:21:59,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:59,601 INFO L85 PathProgramCache]: Analyzing trace with hash -2055631934, now seen corresponding path program 16 times [2022-03-03 18:21:59,601 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:59,601 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976819421] [2022-03-03 18:21:59,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:59,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:59,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:59,857 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:59,857 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976819421] [2022-03-03 18:21:59,857 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976819421] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:59,858 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:59,858 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:21:59,858 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145229112] [2022-03-03 18:21:59,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:59,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:21:59,858 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:59,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:21:59,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:21:59,858 INFO L87 Difference]: Start difference. First operand 599 states and 1073 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:00,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:00,415 INFO L93 Difference]: Finished difference Result 899 states and 1629 transitions. [2022-03-03 18:22:00,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:22:00,415 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:00,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:00,416 INFO L225 Difference]: With dead ends: 899 [2022-03-03 18:22:00,416 INFO L226 Difference]: Without dead ends: 599 [2022-03-03 18:22:00,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2022-03-03 18:22:00,416 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 563 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:00,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [563 Valid, 601 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:22:00,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2022-03-03 18:22:00,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2022-03-03 18:22:00,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 597 states have (on average 1.7738693467336684) internal successors, (1059), 598 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:00,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1059 transitions. [2022-03-03 18:22:00,421 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1059 transitions. Word has length 82 [2022-03-03 18:22:00,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:00,421 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 1059 transitions. [2022-03-03 18:22:00,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1059 transitions. [2022-03-03 18:22:00,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:22:00,422 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:00,422 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:00,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-03-03 18:22:00,422 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:22:00,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:00,422 INFO L85 PathProgramCache]: Analyzing trace with hash 768737940, now seen corresponding path program 6 times [2022-03-03 18:22:00,422 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:00,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907136722] [2022-03-03 18:22:00,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:00,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:00,631 INFO 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 18:22:00,631 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:00,631 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907136722] [2022-03-03 18:22:00,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907136722] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:00,631 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:00,631 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:00,631 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154017937] [2022-03-03 18:22:00,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:00,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:00,632 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:00,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:00,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:00,632 INFO L87 Difference]: Start difference. First operand 599 states and 1059 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:00,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:00,892 INFO L93 Difference]: Finished difference Result 644 states and 1114 transitions. [2022-03-03 18:22:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:22:00,893 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:00,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:00,893 INFO L225 Difference]: With dead ends: 644 [2022-03-03 18:22:00,894 INFO L226 Difference]: Without dead ends: 616 [2022-03-03 18:22:00,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2022-03-03 18:22:00,894 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 290 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:00,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [290 Valid, 427 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:22:00,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2022-03-03 18:22:00,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 596. [2022-03-03 18:22:00,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 594 states have (on average 1.7727272727272727) internal successors, (1053), 595 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1053 transitions. [2022-03-03 18:22:00,899 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1053 transitions. Word has length 82 [2022-03-03 18:22:00,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:00,899 INFO L470 AbstractCegarLoop]: Abstraction has 596 states and 1053 transitions. [2022-03-03 18:22:00,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1053 transitions. [2022-03-03 18:22:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:22:00,900 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:00,900 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:00,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-03-03 18:22:00,900 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:22:00,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:00,900 INFO L85 PathProgramCache]: Analyzing trace with hash -528871358, now seen corresponding path program 7 times [2022-03-03 18:22:00,900 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:00,900 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025192460] [2022-03-03 18:22:00,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:00,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:01,097 INFO 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 18:22:01,097 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:01,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025192460] [2022-03-03 18:22:01,098 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025192460] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:01,098 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:01,098 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:01,098 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342239752] [2022-03-03 18:22:01,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:01,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:01,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:01,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:01,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:01,098 INFO L87 Difference]: Start difference. First operand 596 states and 1053 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:01,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:01,371 INFO L93 Difference]: Finished difference Result 666 states and 1147 transitions. [2022-03-03 18:22:01,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:22:01,372 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:01,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:01,372 INFO L225 Difference]: With dead ends: 666 [2022-03-03 18:22:01,373 INFO L226 Difference]: Without dead ends: 641 [2022-03-03 18:22:01,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:22:01,373 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 331 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:01,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [331 Valid, 427 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:22:01,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2022-03-03 18:22:01,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 599. [2022-03-03 18:22:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 597 states have (on average 1.7688442211055277) internal successors, (1056), 598 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:01,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1056 transitions. [2022-03-03 18:22:01,378 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1056 transitions. Word has length 82 [2022-03-03 18:22:01,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:01,378 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 1056 transitions. [2022-03-03 18:22:01,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1056 transitions. [2022-03-03 18:22:01,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:22:01,378 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:01,378 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:01,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-03-03 18:22:01,379 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:22:01,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:01,379 INFO L85 PathProgramCache]: Analyzing trace with hash -46877360, now seen corresponding path program 8 times [2022-03-03 18:22:01,379 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:01,379 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059836569] [2022-03-03 18:22:01,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:01,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:01,529 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 18:22:01,529 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:01,529 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059836569] [2022-03-03 18:22:01,529 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059836569] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:01,529 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:01,529 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:01,529 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179306673] [2022-03-03 18:22:01,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:01,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:01,530 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:01,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:01,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:01,530 INFO L87 Difference]: Start difference. First operand 599 states and 1056 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:01,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:01,846 INFO L93 Difference]: Finished difference Result 663 states and 1151 transitions. [2022-03-03 18:22:01,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:22:01,847 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:01,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:01,847 INFO L225 Difference]: With dead ends: 663 [2022-03-03 18:22:01,847 INFO L226 Difference]: Without dead ends: 613 [2022-03-03 18:22:01,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=133, Invalid=287, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:22:01,848 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 314 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:01,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [314 Valid, 534 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:22:01,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2022-03-03 18:22:01,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 593. [2022-03-03 18:22:01,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 591 states have (on average 1.7715736040609138) internal successors, (1047), 592 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:01,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 1047 transitions. [2022-03-03 18:22:01,852 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 1047 transitions. Word has length 82 [2022-03-03 18:22:01,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:01,853 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 1047 transitions. [2022-03-03 18:22:01,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:01,853 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1047 transitions. [2022-03-03 18:22:01,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:22:01,853 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:01,853 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:01,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-03-03 18:22:01,854 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:22:01,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:01,854 INFO L85 PathProgramCache]: Analyzing trace with hash 2042312882, now seen corresponding path program 9 times [2022-03-03 18:22:01,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:01,854 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948011837] [2022-03-03 18:22:01,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:01,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:02,071 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:02,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948011837] [2022-03-03 18:22:02,071 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948011837] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:02,071 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:02,071 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:02,071 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939553639] [2022-03-03 18:22:02,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:02,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:02,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:02,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:02,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:02,072 INFO L87 Difference]: Start difference. First operand 593 states and 1047 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:02,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:02,356 INFO L93 Difference]: Finished difference Result 677 states and 1169 transitions. [2022-03-03 18:22:02,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:22:02,356 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:02,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:02,357 INFO L225 Difference]: With dead ends: 677 [2022-03-03 18:22:02,357 INFO L226 Difference]: Without dead ends: 652 [2022-03-03 18:22:02,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=287, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:22:02,357 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 304 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:02,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [304 Valid, 471 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:22:02,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2022-03-03 18:22:02,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 599. [2022-03-03 18:22:02,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 597 states have (on average 1.7688442211055277) internal successors, (1056), 598 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:02,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1056 transitions. [2022-03-03 18:22:02,362 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1056 transitions. Word has length 82 [2022-03-03 18:22:02,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:02,362 INFO L470 AbstractCegarLoop]: Abstraction has 599 states and 1056 transitions. [2022-03-03 18:22:02,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:02,363 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1056 transitions. [2022-03-03 18:22:02,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:22:02,363 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:02,363 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:02,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-03-03 18:22:02,363 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:22:02,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:02,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1770660416, now seen corresponding path program 10 times [2022-03-03 18:22:02,364 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:02,364 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752484901] [2022-03-03 18:22:02,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:02,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:02,525 INFO 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 18:22:02,525 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:02,525 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752484901] [2022-03-03 18:22:02,525 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752484901] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:02,525 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:02,525 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:02,525 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941088117] [2022-03-03 18:22:02,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:02,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:02,525 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:02,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:02,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:02,526 INFO L87 Difference]: Start difference. First operand 599 states and 1056 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:02,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:02,890 INFO L93 Difference]: Finished difference Result 696 states and 1206 transitions. [2022-03-03 18:22:02,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:22:02,890 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:02,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:02,891 INFO L225 Difference]: With dead ends: 696 [2022-03-03 18:22:02,891 INFO L226 Difference]: Without dead ends: 649 [2022-03-03 18:22:02,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2022-03-03 18:22:02,892 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 304 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:02,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [304 Valid, 620 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:22:02,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2022-03-03 18:22:02,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 596. [2022-03-03 18:22:02,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 594 states have (on average 1.7676767676767677) internal successors, (1050), 595 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:02,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1050 transitions. [2022-03-03 18:22:02,897 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1050 transitions. Word has length 82 [2022-03-03 18:22:02,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:02,897 INFO L470 AbstractCegarLoop]: Abstraction has 596 states and 1050 transitions. [2022-03-03 18:22:02,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:02,897 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1050 transitions. [2022-03-03 18:22:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:22:02,897 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:02,898 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] [2022-03-03 18:22:02,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-03-03 18:22:02,898 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:22:02,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:02,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1504091500, now seen corresponding path program 11 times [2022-03-03 18:22:02,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:02,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105957823] [2022-03-03 18:22:02,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:02,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:03,042 INFO 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 18:22:03,042 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:03,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105957823] [2022-03-03 18:22:03,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105957823] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:03,043 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:03,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:03,043 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351154167] [2022-03-03 18:22:03,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:03,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:03,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:03,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:03,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:03,043 INFO L87 Difference]: Start difference. First operand 596 states and 1050 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:03,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:03,323 INFO L93 Difference]: Finished difference Result 682 states and 1188 transitions. [2022-03-03 18:22:03,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:22:03,323 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:03,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:03,324 INFO L225 Difference]: With dead ends: 682 [2022-03-03 18:22:03,324 INFO L226 Difference]: Without dead ends: 610 [2022-03-03 18:22:03,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:22:03,324 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 298 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:03,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [298 Valid, 477 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:22:03,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2022-03-03 18:22:03,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 590. [2022-03-03 18:22:03,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 588 states have (on average 1.7704081632653061) internal successors, (1041), 589 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 1041 transitions. [2022-03-03 18:22:03,329 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 1041 transitions. Word has length 82 [2022-03-03 18:22:03,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:03,329 INFO L470 AbstractCegarLoop]: Abstraction has 590 states and 1041 transitions. [2022-03-03 18:22:03,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:03,329 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 1041 transitions. [2022-03-03 18:22:03,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:22:03,329 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:03,330 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:03,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-03-03 18:22:03,330 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:22:03,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:03,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1540203836, now seen corresponding path program 12 times [2022-03-03 18:22:03,330 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:03,330 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041971128] [2022-03-03 18:22:03,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:03,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:03,483 INFO 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 18:22:03,483 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:03,483 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041971128] [2022-03-03 18:22:03,483 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041971128] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:03,483 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:03,484 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:03,484 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259703587] [2022-03-03 18:22:03,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:03,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:03,484 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:03,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:03,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:03,484 INFO L87 Difference]: Start difference. First operand 590 states and 1041 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:03,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:03,712 INFO L93 Difference]: Finished difference Result 632 states and 1093 transitions. [2022-03-03 18:22:03,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:22:03,712 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:03,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:03,713 INFO L225 Difference]: With dead ends: 632 [2022-03-03 18:22:03,713 INFO L226 Difference]: Without dead ends: 607 [2022-03-03 18:22:03,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:22:03,713 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 303 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:03,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [303 Valid, 374 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 18:22:03,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2022-03-03 18:22:03,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 587. [2022-03-03 18:22:03,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 585 states have (on average 1.7692307692307692) internal successors, (1035), 586 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:03,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 1035 transitions. [2022-03-03 18:22:03,717 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 1035 transitions. Word has length 82 [2022-03-03 18:22:03,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:03,718 INFO L470 AbstractCegarLoop]: Abstraction has 587 states and 1035 transitions. [2022-03-03 18:22:03,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:03,718 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1035 transitions. [2022-03-03 18:22:03,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:22:03,718 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:03,718 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:03,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-03-03 18:22:03,718 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:22:03,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:03,719 INFO L85 PathProgramCache]: Analyzing trace with hash 2022197834, now seen corresponding path program 13 times [2022-03-03 18:22:03,719 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:03,719 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021573258] [2022-03-03 18:22:03,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:03,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:03,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:03,872 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:03,872 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021573258] [2022-03-03 18:22:03,872 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021573258] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:03,872 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:03,872 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:03,872 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769078120] [2022-03-03 18:22:03,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:03,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:03,873 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:03,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:03,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:03,873 INFO L87 Difference]: Start difference. First operand 587 states and 1035 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:04,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:04,212 INFO L93 Difference]: Finished difference Result 651 states and 1130 transitions. [2022-03-03 18:22:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:22:04,212 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:04,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:04,213 INFO L225 Difference]: With dead ends: 651 [2022-03-03 18:22:04,213 INFO L226 Difference]: Without dead ends: 604 [2022-03-03 18:22:04,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2022-03-03 18:22:04,213 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 283 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:04,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 589 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:22:04,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2022-03-03 18:22:04,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 584. [2022-03-03 18:22:04,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 582 states have (on average 1.768041237113402) internal successors, (1029), 583 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:04,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 1029 transitions. [2022-03-03 18:22:04,218 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 1029 transitions. Word has length 82 [2022-03-03 18:22:04,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:04,218 INFO L470 AbstractCegarLoop]: Abstraction has 584 states and 1029 transitions. [2022-03-03 18:22:04,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:04,218 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 1029 transitions. [2022-03-03 18:22:04,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:22:04,218 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:04,218 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:04,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-03-03 18:22:04,219 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:22:04,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:04,219 INFO L85 PathProgramCache]: Analyzing trace with hash -2006200546, now seen corresponding path program 14 times [2022-03-03 18:22:04,219 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:04,219 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115653624] [2022-03-03 18:22:04,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:04,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:04,361 INFO 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 18:22:04,361 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:04,361 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115653624] [2022-03-03 18:22:04,361 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115653624] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:04,361 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:04,361 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:04,361 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693187834] [2022-03-03 18:22:04,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:04,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:04,361 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:04,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:04,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:04,362 INFO L87 Difference]: Start difference. First operand 584 states and 1029 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:04,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:04,647 INFO L93 Difference]: Finished difference Result 670 states and 1167 transitions. [2022-03-03 18:22:04,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:22:04,647 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:04,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:04,648 INFO L225 Difference]: With dead ends: 670 [2022-03-03 18:22:04,648 INFO L226 Difference]: Without dead ends: 601 [2022-03-03 18:22:04,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:22:04,648 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 288 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:04,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 522 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:22:04,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2022-03-03 18:22:04,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 581. [2022-03-03 18:22:04,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 579 states have (on average 1.766839378238342) internal successors, (1023), 580 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:04,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 1023 transitions. [2022-03-03 18:22:04,653 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 1023 transitions. Word has length 82 [2022-03-03 18:22:04,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:04,653 INFO L470 AbstractCegarLoop]: Abstraction has 581 states and 1023 transitions. [2022-03-03 18:22:04,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:04,653 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1023 transitions. [2022-03-03 18:22:04,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:22:04,654 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:04,654 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:04,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-03-03 18:22:04,654 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:22:04,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:04,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1989279920, now seen corresponding path program 15 times [2022-03-03 18:22:04,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:04,655 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917542962] [2022-03-03 18:22:04,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:04,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:04,790 INFO 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 18:22:04,790 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:04,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917542962] [2022-03-03 18:22:04,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917542962] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:04,790 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:04,790 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:04,790 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364592149] [2022-03-03 18:22:04,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:04,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:04,790 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:04,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:04,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:04,791 INFO L87 Difference]: Start difference. First operand 581 states and 1023 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:05,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:05,068 INFO L93 Difference]: Finished difference Result 590 states and 1033 transitions. [2022-03-03 18:22:05,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:22:05,068 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:05,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:05,069 INFO L225 Difference]: With dead ends: 590 [2022-03-03 18:22:05,069 INFO L226 Difference]: Without dead ends: 433 [2022-03-03 18:22:05,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:22:05,069 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 279 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:05,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 517 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:22:05,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2022-03-03 18:22:05,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 413. [2022-03-03 18:22:05,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.7912621359223302) internal successors, (738), 412 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:05,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 738 transitions. [2022-03-03 18:22:05,073 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 738 transitions. Word has length 82 [2022-03-03 18:22:05,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:05,073 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 738 transitions. [2022-03-03 18:22:05,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:05,073 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 738 transitions. [2022-03-03 18:22:05,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:22:05,073 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:05,073 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:05,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-03-03 18:22:05,073 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:22:05,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:05,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1597684666, now seen corresponding path program 17 times [2022-03-03 18:22:05,074 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:05,074 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549987386] [2022-03-03 18:22:05,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:05,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:05,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:22:05,368 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:05,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549987386] [2022-03-03 18:22:05,368 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549987386] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:05,368 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:05,368 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:22:05,369 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539669114] [2022-03-03 18:22:05,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:05,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:22:05,369 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:05,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:22:05,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:22:05,369 INFO L87 Difference]: Start difference. First operand 413 states and 738 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:05,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:05,868 INFO L93 Difference]: Finished difference Result 671 states and 1213 transitions. [2022-03-03 18:22:05,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:22:05,869 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:05,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:05,869 INFO L225 Difference]: With dead ends: 671 [2022-03-03 18:22:05,869 INFO L226 Difference]: Without dead ends: 371 [2022-03-03 18:22:05,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2022-03-03 18:22:05,870 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 541 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:05,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [541 Valid, 508 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:22:05,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2022-03-03 18:22:05,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2022-03-03 18:22:05,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 370 states have (on average 1.7675675675675675) internal successors, (654), 370 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:05,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 654 transitions. [2022-03-03 18:22:05,873 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 654 transitions. Word has length 82 [2022-03-03 18:22:05,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:05,873 INFO L470 AbstractCegarLoop]: Abstraction has 371 states and 654 transitions. [2022-03-03 18:22:05,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:05,873 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 654 transitions. [2022-03-03 18:22:05,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:22:05,873 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:05,873 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:05,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-03-03 18:22:05,873 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:22:05,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:05,874 INFO L85 PathProgramCache]: Analyzing trace with hash -588303106, now seen corresponding path program 18 times [2022-03-03 18:22:05,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:05,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786652607] [2022-03-03 18:22:05,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:05,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:06,138 INFO 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 18:22:06,139 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:06,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786652607] [2022-03-03 18:22:06,139 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786652607] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:06,139 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:06,139 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:22:06,139 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519055885] [2022-03-03 18:22:06,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:06,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:22:06,139 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:06,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:22:06,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:22:06,140 INFO L87 Difference]: Start difference. First operand 371 states and 654 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:06,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:06,606 INFO L93 Difference]: Finished difference Result 475 states and 832 transitions. [2022-03-03 18:22:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:22:06,607 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:06,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:06,607 INFO L225 Difference]: With dead ends: 475 [2022-03-03 18:22:06,610 INFO L226 Difference]: Without dead ends: 217 [2022-03-03 18:22:06,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2022-03-03 18:22:06,611 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 543 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:06,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [543 Valid, 391 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:22:06,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-03-03 18:22:06,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2022-03-03 18:22:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 216 states have (on average 1.6018518518518519) internal successors, (346), 216 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:06,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 346 transitions. [2022-03-03 18:22:06,613 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 346 transitions. Word has length 82 [2022-03-03 18:22:06,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:06,613 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 346 transitions. [2022-03-03 18:22:06,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:06,613 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 346 transitions. [2022-03-03 18:22:06,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:22:06,614 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:06,614 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:06,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-03-03 18:22:06,614 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:22:06,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:06,614 INFO L85 PathProgramCache]: Analyzing trace with hash -2136279742, now seen corresponding path program 19 times [2022-03-03 18:22:06,614 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:06,614 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321828753] [2022-03-03 18:22:06,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:06,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:06,877 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 18:22:06,877 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:06,877 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321828753] [2022-03-03 18:22:06,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321828753] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:06,877 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:06,877 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:22:06,878 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982191712] [2022-03-03 18:22:06,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:06,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:22:06,878 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:06,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:22:06,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:22:06,878 INFO L87 Difference]: Start difference. First operand 217 states and 346 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:07,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:07,368 INFO L93 Difference]: Finished difference Result 295 states and 473 transitions. [2022-03-03 18:22:07,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:22:07,369 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:07,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:07,369 INFO L225 Difference]: With dead ends: 295 [2022-03-03 18:22:07,369 INFO L226 Difference]: Without dead ends: 191 [2022-03-03 18:22:07,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2022-03-03 18:22:07,370 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 341 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:07,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [341 Valid, 515 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:22:07,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-03-03 18:22:07,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2022-03-03 18:22:07,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 190 states have (on average 1.5473684210526315) internal successors, (294), 190 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:07,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 294 transitions. [2022-03-03 18:22:07,372 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 294 transitions. Word has length 82 [2022-03-03 18:22:07,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:07,372 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 294 transitions. [2022-03-03 18:22:07,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:07,373 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 294 transitions. [2022-03-03 18:22:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:22:07,373 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:07,373 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:07,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-03-03 18:22:07,373 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:22:07,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:07,373 INFO L85 PathProgramCache]: Analyzing trace with hash 195962654, now seen corresponding path program 20 times [2022-03-03 18:22:07,373 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:07,373 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579808254] [2022-03-03 18:22:07,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:07,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:07,633 INFO 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 18:22:07,633 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:07,633 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579808254] [2022-03-03 18:22:07,633 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579808254] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:07,633 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:07,633 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:22:07,633 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542677166] [2022-03-03 18:22:07,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:07,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:22:07,634 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:07,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:22:07,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:22:07,634 INFO L87 Difference]: Start difference. First operand 191 states and 294 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:08,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:08,057 INFO L93 Difference]: Finished difference Result 243 states and 370 transitions. [2022-03-03 18:22:08,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:22:08,057 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:08,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:08,058 INFO L225 Difference]: With dead ends: 243 [2022-03-03 18:22:08,058 INFO L226 Difference]: Without dead ends: 165 [2022-03-03 18:22:08,058 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2022-03-03 18:22:08,058 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 330 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:08,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 480 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:22:08,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-03-03 18:22:08,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2022-03-03 18:22:08,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.475609756097561) internal successors, (242), 164 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 18:22:08,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 242 transitions. [2022-03-03 18:22:08,060 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 242 transitions. Word has length 82 [2022-03-03 18:22:08,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:08,060 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 242 transitions. [2022-03-03 18:22:08,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:08,060 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 242 transitions. [2022-03-03 18:22:08,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-03 18:22:08,060 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:08,060 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:22:08,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-03-03 18:22:08,060 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:22:08,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:08,061 INFO L85 PathProgramCache]: Analyzing trace with hash 754845668, now seen corresponding path program 21 times [2022-03-03 18:22:08,061 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:08,061 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757206739] [2022-03-03 18:22:08,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:08,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:08,357 INFO 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 18:22:08,357 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:08,357 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757206739] [2022-03-03 18:22:08,357 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757206739] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:08,357 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:08,358 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 18:22:08,358 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593073496] [2022-03-03 18:22:08,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:08,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 18:22:08,358 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:08,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 18:22:08,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:22:08,358 INFO L87 Difference]: Start difference. First operand 165 states and 242 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:08,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:08,748 INFO L93 Difference]: Finished difference Result 160 states and 233 transitions. [2022-03-03 18:22:08,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:22:08,748 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-03-03 18:22:08,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:08,748 INFO L225 Difference]: With dead ends: 160 [2022-03-03 18:22:08,748 INFO L226 Difference]: Without dead ends: 0 [2022-03-03 18:22:08,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2022-03-03 18:22:08,749 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 357 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:08,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [357 Valid, 356 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 18:22:08,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-03 18:22:08,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-03 18:22:08,749 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 18:22:08,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-03 18:22:08,749 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2022-03-03 18:22:08,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:08,749 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-03 18:22:08,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:22:08,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-03 18:22:08,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-03 18:22:08,751 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-03-03 18:22:08,752 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-03-03 18:22:08,752 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-03-03 18:22:08,752 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2022-03-03 18:22:08,752 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-03-03 18:22:08,752 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-03-03 18:22:08,752 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-03-03 18:22:08,752 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-03-03 18:22:08,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-03-03 18:22:08,754 INFO L732 BasicCegarLoop]: Path program histogram: [28, 28, 21, 21, 15, 6, 1, 1, 1, 1, 1] [2022-03-03 18:22:08,757 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 18:22:08,757 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 18:22:08,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 06:22:08 BasicIcfg [2022-03-03 18:22:08,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 18:22:08,759 INFO L158 Benchmark]: Toolchain (without parser) took 88690.36ms. Allocated memory was 192.9MB in the beginning and 532.7MB in the end (delta: 339.7MB). Free memory was 140.1MB in the beginning and 288.2MB in the end (delta: -148.1MB). Peak memory consumption was 192.1MB. Max. memory is 8.0GB. [2022-03-03 18:22:08,759 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory was 158.5MB in the beginning and 158.5MB in the end (delta: 74.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:22:08,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.74ms. Allocated memory is still 192.9MB. Free memory was 140.0MB in the beginning and 150.2MB in the end (delta: -10.2MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2022-03-03 18:22:08,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.57ms. Allocated memory is still 192.9MB. Free memory was 150.2MB in the beginning and 147.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-03 18:22:08,760 INFO L158 Benchmark]: Boogie Preprocessor took 20.73ms. Allocated memory is still 192.9MB. Free memory was 147.6MB in the beginning and 145.8MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-03 18:22:08,760 INFO L158 Benchmark]: RCFGBuilder took 350.60ms. Allocated memory is still 192.9MB. Free memory was 145.8MB in the beginning and 130.9MB in the end (delta: 15.0MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-03-03 18:22:08,760 INFO L158 Benchmark]: TraceAbstraction took 87769.80ms. Allocated memory was 192.9MB in the beginning and 532.7MB in the end (delta: 339.7MB). Free memory was 130.6MB in the beginning and 288.2MB in the end (delta: -157.6MB). Peak memory consumption was 182.6MB. Max. memory is 8.0GB. [2022-03-03 18:22:08,760 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory was 158.5MB in the beginning and 158.5MB in the end (delta: 74.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 488.74ms. Allocated memory is still 192.9MB. Free memory was 140.0MB in the beginning and 150.2MB in the end (delta: -10.2MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.57ms. Allocated memory is still 192.9MB. Free memory was 150.2MB in the beginning and 147.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.73ms. Allocated memory is still 192.9MB. Free memory was 147.6MB in the beginning and 145.8MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 350.60ms. Allocated memory is still 192.9MB. Free memory was 145.8MB in the beginning and 130.9MB in the end (delta: 15.0MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 87769.80ms. Allocated memory was 192.9MB in the beginning and 532.7MB in the end (delta: 339.7MB). Free memory was 130.6MB in the beginning and 288.2MB in the end (delta: -157.6MB). Peak memory consumption was 182.6MB. 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: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: 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, 138 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 87.6s, OverallIterations: 124, TraceHistogramMax: 1, PathProgramHistogramMax: 28, EmptinessCheckTime: 0.2s, AutomataDifference: 63.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54150 SdHoareTripleChecker+Valid, 43.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54150 mSDsluCounter, 109717 SdHoareTripleChecker+Invalid, 35.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86025 mSDsCounter, 9122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88312 IncrementalHoareTripleChecker+Invalid, 97434 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9122 mSolverCounterUnsat, 23844 mSDtfsCounter, 88312 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3220 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 2760 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5766 ImplicationChecksByTransitivity, 25.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2012occurred in iteration=42, InterpolantAutomatonStates: 1770, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 124 MinimizatonAttempts, 84647 StatesRemovedByMinimization, 118 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 19.2s InterpolantComputationTime, 8616 NumberOfCodeBlocks, 8616 NumberOfCodeBlocksAsserted, 124 NumberOfCheckSat, 8492 ConstructedInterpolants, 0 QuantifiedInterpolants, 89032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 124 InterpolantComputations, 124 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-03 18:22:08,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...